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LON - CHI

Find cheap flights from London to Chicago from £198

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Chicago departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 5/6
Wed 12/6

Search hundreds of travel sites at once for deals on flights to Chicago

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Chicago.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Chicago.
In the last 7 days, travellers have searched 42,830,901 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

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Cheap flight deals from London to Chicago (LON-CHI)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
08:40 - 14:20LHR-ORD
11h 40m1 stop
13:35 - 06:45ORD-LHR
11h 10m1 stop
£394Virgin Atlantic
Find Deal
Tue, 10 Sep - Tue, 24 Sep
09:30 - 14:35LHR-ORD
11h 05m1 stop
21:30 - 11:45ORD-LHR
8h 15mdirect
Tue, 10 Sep - Tue, 24 Sep
13:10 - 15:50LHR-ORD
8h 40mdirect
16:45 - 06:35ORD-LHR
7h 50mdirect
£403British Airways
Find Deal
Mon, 16 Sep - Mon, 30 Sep
06:30 - 15:00LHR-ORD
14h 30m1 stop
15:50 - 05:55ORD-LHR
8h 05mdirect
£408Lufthansa
Find Deal
Mon, 16 Sep - Mon, 30 Sep
07:40 - 15:10LHR-ORD
12h 30m1 stop
17:55 - 07:55ORD-LHR
8h 00mdirect
£409Lufthansa
Find Deal
Mon, 28 Oct - Mon, 4 Nov
13:10 - 17:05LHR-ORD
8h 55mdirect
09:00 - 22:40ORD-LHR
7h 40mdirect
£410Finnair
Find Deal
Mon, 28 Oct - Mon, 4 Nov
11:00 - 14:55LHR-ORD
8h 55mdirect
17:00 - 06:40ORD-LHR
7h 40mdirect
£415Finnair
Find Deal
Mon, 28 Oct - Mon, 4 Nov
13:10 - 15:50LHR-ORD
8h 40mdirect
19:15 - 09:05ORD-LHR
7h 50mdirect
£427British Airways
Find Deal
Mon, 16 Sep - Tue, 24 Sep
19:30 - 17:55LHR-ORD
28h 25m2 stops
19:45 - 16:00ORD-LHR
14h 15m1 stop
£458Scandinavian Airlines
Find Deal
Thu, 19 Sep - Mon, 30 Sep
18:05 - 17:55LHR-ORD
29h 50m2 stops
19:45 - 18:30ORD-LHR
16h 45m2 stops
£483Scandinavian Airlines
Find Deal
Tue, 15 Oct - Mon, 21 Oct

Flights from London to Chicago - Travel Insights & Trends

Get data-powered insights and trends into flights from London to Chicago to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London to Chicago flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from London to Chicago.
Our data shows that the cheapest route for a one-way flight from London to Chicago cost £519 and was between London Heathrow Airport and Chicago O'Hare Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is £500.

What’s the cheapest day of the week to fly from London to Chicago?

The average price of all flights from London to Chicago clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Chicago on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from London to Chicago. For your return ticket, we recommend flying on a Saturday and avoiding Sundays for the best deals.

What is the cheapest month to fly from London to Chicago?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London to Chicago, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London to Chicago is February, where tickets cost £445 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £688 and £682 respectively.

How far in advance should I book a flight from London to Chicago?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London to Chicago, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London to Chicago, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 84 days before departure.

Which airlines fly direct between London and Chicago?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from London to Chicago.
There are 3 airlines that fly direct from London to Chicago. They are: American Airlines, British Airways and United Airlines. The cheapest price of all airlines flying this route was found with British Airways at £408 for a one-way flight. On average, the best prices for this route can be found at British Airways.

How many flights are there between London and Chicago per day?

Each day, there are 20 direct flights that take off from London and land in Chicago, with an average flight time of 8h 42m. The most common departure time is 08:00 and most flights take off in the morning. Each week, there are 140 flights and there are the same amount of flights each day 20.

Which cabin class options are there for flights between London and Chicago?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from London to Chicago take?

Direct flights take on average 8h 35m to travel the 3,945 miles between London and Chicago.

What’s the earliest departure time from London to Chicago?

Early birds can take the earliest flight from London at 08:10 and will be landing in Chicago at 10:45.

What’s the latest departure time from London to Chicago?

If you prefer to fly at night, the latest flight from London to Chicago jets off at 15:35 and lands at 18:15.

Good to know - Cheap tickets from London to Chicago

Low season

January

High season

July

Cheapest flight

£198
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (27% more expensive on average)
Flight from London Luton Airport to Chicago O'Hare Airport

When to book flights from London to Chicago

Are your dates flexible? Find out the best times to travel from London to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Chicago

  • Are there hotel at London Airports (LON)?

    Before you fly there are hotels you can stay in. For example, at Gatwick Airport there is the Sofitel, which is located in the North Terminal. Whereas at Heathrow you can stay at the Aerotel, which is at Terminal 3. The hotels are located nearby to the airports, so your journey will be made easy the following day.

  • Can I exchange my currency at Chicago Airports (CHI)?

    You can change your money easily upon landing at CHI Airports. For example, at O’Hare International you’ll find a Seaway National Bank in Terminal 2 and in Terminal 5 on both the lower and upper levels. At Midway Airport there is also a Seaway National Bank Currency Exchange, which you will find on the airport’s concourse A.

  • How much is a taxi from O’Hare Airport to the city centre?

    If you’d prefer to skip the train after your flight from London to Chicago, the taxi rank outside the departure area is just a few steps away from your arrival terminal. A taxi from the airport to the centre will cost around $40 (£32) + tip, although using a rideshare app like Uber or Lyft can get you lower prices.

  • Is there a direct transfer to the Convention Centre from the airport?

    The convention centre near O’Hare Airport is directly linked to the airport via a shuttle bus. This shuttle bus also features transportation to nearby shopping and dining options for long layovers. If you’re going to the convention centre near the city centre (McCormick Place), a third-party shuttle can be arranged for a direct connection.

  • Does O’Hare Airport offer free WiFi?

    Unlimited free WiFi connection is available to travellers in all areas of O’Hare Airport, both before and after security. You have to watch an ad to connect, but after that, you will have access to all the WiFi you need to make additional travel arrangements, organise your emails or complete some last-minute work.

  • How much is daily parking at O’Hare Airport?

    O’Hare Airport has a handful of daily parking options available to travellers. The main parking areas around the airport cost about $40 (£32) per day for parking, while the economy lots, which are accessible via the dedicated airport tram, cost anywhere between approximately $10-17 (£8-13.50) per day.

  • What is the cheapest flight from London to Chicago?

    In the last 3 days, the lowest price for a flight from London to Chicago was £249 for a one-way ticket and £495 for a return.

  • Which airports will I be using when flying from London to Chicago?

    London is served by 6 major airports and there are 2 airports in Chicago. You will leave London from one of these airports: London City, London Gatwick, London Heathrow, London Luton, London Southend, or London Stansted. You will be arriving in Chicago at one of these airports: Chicago Midway or Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from London to Chicago?

    Virgin Atlantic, Air France, KLM, American Airlines, and Delta offer inflight Wi-Fi service on the London to Chicago flight route.

  • Which aircraft models fly most regularly from London to Chicago?

    The Boeing 767-300 is the aircraft model that flies most regularly on the London to Chicago flight route.

  • Which airline alliances offer flights from London to Chicago?

    oneworld, and Star Alliance are the airline alliances operating flights between London and Chicago, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from London to Chicago?

    There are direct flights from London to Chicago on a daily basis.

  • Which is the best airline for flights from London to Chicago, Finnair or Virgin Atlantic?

    The two airlines most popular with KAYAK users for flights from London to Chicago are Finnair and Virgin Atlantic. With an average price for the route of £607 and an overall rating of 7.7, Finnair is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of £517 and an overall rating of 7.7.

  • How does KAYAK find such low prices on flights from London to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chicago with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from London to Chicago

  • Looking for a cheap flight from London to Chicago? 25% of our users found flights on this route for £608 or less one-way and £590 or less round-trip.
  • If you find cheap flights from London to Chicago, the flights normally depart at peak times, which means the airport will be busy. To pass through security quicker at London airports (LON) there is the option of the fast track service. The cost of this at Gatwick Airport (LGW) is about £5, whilst at Heathrow Airport (LHR) it’s around £12.50.
  • You can get to London airports quickly before you depart. If you are departing from Gatwick then there is the Gatwick Express from Victoria train station. This takes about 30 minutes. Whereas if you’re travelling from Heathrow Airport, you can get the Heathrow Express in about 15 minutes from Paddington train station. Alternatively, you can get the Piccadilly Line from an area like Covent Garden in about 45 minutes.
  • When you arrive at Chicago Airports (CHI) you can get to nearby locations quickly. For instance, if you land at O’Hare International Airport (ORD), you can drive to Schaumburg in about 19 minutes or Naperville in around 42 minutes. From Midway Airport (MDW) you are able to go by car to Bloomington in about 2h 10min or Joliet in around 1 hour.
  • As you’re booking flights from London to Chicago, you may notice that many of the more affordable flights have at least one stop. Non-stop travel between the two cities is limited, but non-stop flight deals can be found with Austrian Airlines and Finnair, especially if you book far enough in advance and compare prices here on KAYAK.co.uk.
  • Chicago has two main airports, but unless you’re making two stops you’ll most likely be flying into Chicago O’Hare Airport. O’Hare Airport lies 14 miles northwest of the city centre and is the third-busiest airport in the US. Lines for security at O’Hare can be long, so be sure to arrive early.
  • Chicago city centre can be reached from O’Hare in a number of different ways. The most popular way to get to the centre is the CTA Blue Line train. This train has a direct connection with the airport and connects to the Chicago metro and elevated train system, which can take you anywhere in the city. A single ride will cost you around $2.75 (£2.19).
  • If you’re traveling with children, O’Hare features a “Kids on the Fly” play area thanks to its partnership with the Chicago Children’s Museum. Your young ones can play on large aeroplane and helicopter models until your flight home or to your next destination departs. “Kids on the Fly” is located in the upper level of Terminal 2.
  • Feeling hungry before your flight? O’Hare offers travellers several airport restaurant options. Fill up before you take off with Chicago-style hot dogs, a wrap from a Mediterranean cafe, Chinese fried rice and a long list of other options. O’Hare’s restaurants are spread throughout the airport, so you’ll have plenty of options whether you’re in T1, T2 or T3.
See more tips

Prefer to fly direct from London to Chicago?

Find which airlines fly direct from London to Chicago, which days they fly and book direct flights.

Direct departures

London to Chicago

Monday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

Tuesday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

Wednesday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

Thursday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

Friday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

Saturday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

Sunday

Aer Lingus, Air Canada, Alaska Airlines, +13 more

Aer Lingus, Air Canada, +14 more

See more direct flights

Direct returns

Chicago to London

Monday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

Tuesday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

Wednesday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

Thursday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

Friday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

Saturday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

Sunday

Aer Lingus, Air Canada, Alaska Airlines, +14 more

Aer Lingus, Air Canada, +15 more

See more direct flights
See more direct flights

Top 5 airlines serving from London to Chicago

 
See real verified KAYAK customer reviews for airlines flying from London to Chicago. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from London to Chicago? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.7
FinnairOverall score based on 1379 reviews
7.8Boarding
7.0Entertainment
8.2Crew
7.6Comfort
6.9Food
Airline reviews

All good- I love BA and the professionalism of the crew and pilots.

8.0 ExcellentAnonymous, Apr 2024JFK - LHR
Read more about Finnair reviews

All good- I love BA and the professionalism of the crew and pilots.

Great flight- smooth, nice crew, nice clean aircraft, departed a little late but arrived 10 early.

It was listed on my ticket as Finnair but there was no indication that the flight was Finnair. In fact the number was even different. There were no employees there until exactly 2 hours before so we had to wait in line at Iberia and hope

Sorting on line would have been appreciated Onward information on flights missed No ability to get seating arranged before we got to gate Very unfriendly at gate

The flight was Finnair but there was no indications anywhere that the checkin was for Finnair also. There was no one to ask. I think at a minimum they should list the code shares so people don’t stand in the wrong line for an hour.

I booked the flight with Finnair, which made the arrangements for downloading a boarding pass unnecessarily complicated. I wouldn't do that again. Instead I'd book direct with AA.

Flight ok, but me and other two passengers didn’t have connection with the entertainment in our seats. So, no movies, no games, no music… for 9 hours. The crew just told us that there’s nothing they can do but I noticed during the flight that there were empty seats, so they could have offered to us to change seats. Customer service could be better.

Had a nice flight to London on BA will fly with them again in the future

Finnair cancelled my flight 12 hours prior to leaving for Helsinki. They stated there were mechanical problems. I had to scurry around to find a new flight that would meet my needs for arrival in Helsinki. Luckily I was able to find alternate transportation through Lufthansa/United.

I’m very disappointed, to fly into an airplane for 10 straight hours, and not having a TV even though when I put the ticket I was told that I will have entertainment for the TV. Very disappointed.

Bathrooms weren’t too clean. Onboard entertainment was light. Other than that everything was great. Food, service, comfort and crew. Although it was hard to understand the crew announcements.

This was my first time flying SAS and used them for 4 flights. The crews, flight and communication was outstanding. I flew premium economy and was extremely impressed by their SAS lounges. I will 100% ise SAS again. Everyone was so pleasant!

I upgraded to economy plus and it’s so worth the price. The crew is exceptional and the food is pretty decent. I would definitely fly with them again.

The flight was on time and loading was fine. I really disliked that all drinks other than coffee or tea had a cost. Deplaning was also an issue as people did not wait for those in front of them to get out before they pushed forward

Flight was delayed 3 hours. Pilot cancelled flight under 4 people volunteered to change their seats to economy from business class.

I paid for wifi and it worked about a total of 5 min. Feel ripped off

Overall, this flight team did a fantastic job. They came often with the water, coffee and tea. There was no meal choice in coach, but the lasagna lunch was decent. The sandwich snack just before landing was tasty. The baggage bins were large, so no trouble holding carry on luggage.

Good friendly service and food - The seats in business class are old, too hard and not very comfortable.

My seat was not the one I paid for, the crew was very curt, and the cabin was extremely warm.

Old plane with terrible business class seats - good food and service. Boarding was a joke with business class boarding last.

Are Longus was fine. I booked thru Kayak and was unable to get my business class seat early. Sat next to galley. Crew forgot to wake me for breakfast.

the room on the plane was good but that is because flight not sold the other three seat and I had room. the food in terrible.

First the price I paid was excellent, my flight was full, but my seat was roomy. The one downside to the experience was they had games on the entertainment console. The guy behind me poked at my head about half the flight. I hope they get rid of this feature.

There were a lot of empty rows. As a single passenger I should not have been seated with 2 others. The WiFi didn’t work. The Kosher meal was awful.

They should. Heck planes more often not when they are suppose to be leaving causing delays

Thankfully not a full flight so although my headphone jack wasn’t working 100% on my window seat, I was able to move to the aisle seat. Food was fine, nothing great but tasty enough. Crew were friendly and made enough rounds. Always have a decent experience with Aer Lingus

Crew was fantastic got lovely food and plenty of water. Entertainment was good. Never had to ask for anything. Left on time and got to Seattle early. Luggage did not take long either.

Great hospitality and service! Seats are better cushioned then some

Great hospitality and service! Seats could always be cushioned better.

Customs is always a challenge. The customs officials were real humans, which was nice-not robots programmed on angry 😊. If you’re in a hurry to get through you’ll be stressed out. Allow yourselves plenty of time and it will be a stress free experience.

Horrible flight attendant in back of economy that screamed at me, have already reported to United. Horrible food - for Gluten free, why would you assume the person is vegetarian? I was served some kind of horrible curry bean paste and multiple cold rolls and soggy vegetables with no seasoning... um no!

The crew member put her luggage and boxes behind my seat so I was able to recline while the passenger in front of me did for 8 hours. My knees were forced against the seat for hours :(. Dude sitting next to me hasn't showered in weeks so I almost threw up.

I always try to book flights that don’t charge for baggage. Yet I was charged $75 for this flight.

Our flight to Chicago O'Hare was delayed an hour, causing us to miss our connection to MSP and spend an extra 3 hours at O'Hare so we could board a plane with a damaged door and wait another 45 minutes or so. The crew was great, the food decent, The drinks were great: 2 glasses of a nice South African Shiraz, an ice cold can of Beck's Beer, and Dewar's White Label on the rocks.

A350 has great entertainment. Make sure to watch the plane's external tail and nose camera's on landing and take off. Seats were a little hard for a 10 hour flight. I am gluten intolerant, they had good alternative meals for me on the flight.

Boarding was horrible. We were packed into a bus with few seats and made to stand for 10 to 15 minutes, then driven for 5 minutes on wild curves. Complementary food and drink was a tiny chocolate and a bottle of water. Seating was cramped. Aircraft had no video.

didn’t even get to go one of my returning flights cancelled and I wasn’t even in their system, vacation ruined thanks for nothing

Need more time for connecting flights in Munich Food seems worse now on Lufthansa Very uncomfortable seats

Better flight than mum to Frankfurt. But food was very mediocre.

Flight landed on time but land services kept us in the plane for 3 hours. I missed connecting flight.

my original flight was cancelled the previous day, and i was rescheduled onto this flight, which left much earlier in the morning, impacting my previous evening and requiring me to get up much earlier in the morning to get to the airport online. This practice happens way way way too much, and it seems on every airline, though AA is probably the worst.

My baggage did not arrived with me. Took 3 days to get it after so may calls and follow up

The crew was very attentive and kept busy serving a variety of treats!

Offered vegetable curry when it was actually tofu which I don’t care for.

The flight was good the crew excellent…but take off delayed three hours!!!

Both mine and my husband's chairs were broken. Also it took 2 hours to get our bags after our flight which was wild.

perhaps eye contact with the cabin crew, instead of abruptness and an impatience to serve.

Not enough trash pickups throughout the flight. Everything else was great.

Overall good, the gluten free food is very hit/miss though and you must tell them you have an allergy days in advance.

All was good. The headphones they supply are of poor quality. The food is good but too much dairy.

Book cheap flights from London to Chicago

Cheapest flights to Chicago from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Chicago found on KAYAK in the last 72 hours.
3/6Mon
2 stops
44h 24mLTN-ORD
£198
3/6Mon
2 stops
43h 59mLGW-ORD
£200
27/5Mon
1 stopScandinavian Airlines
27h 25mLHR-ORD
£449
15/5Wed
directFinnair
8h 35mLHR-ORD
£471
11/5Sat
1 stopScandinavian Airlines
17h 15mLHR-ORD
£481
20/9Fri
directLufthansa
9h 10mLHR-ORD
£490
19/9Thu
1 stopLufthansa
11h 45mLCY-ORD
£493
15/9Sun
directFinnair
8h 35mLHR-ORD
£495
21/8Wed
1 stopBritish Airways
21h 00mLCY-ORD
£509
19/5Sun
1 stopBritish Airways
11h 50mLCY-ORD
£551

Search by stops

Search by airline

Search by price

Last minute flights from London to Chicago

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Chicago that are departing in the next 10 days.
8/5Wed
directLufthansa
8h 50mLHR-ORD
13/5Mon
multi-stopLufthansa
32h 45mORD-LHR
£475
8/5Wed
multi-stopLufthansa
13h 25mLHR-ORD
13/5Mon
multi-stopLufthansa
12h 15mORD-LHR
£479
11/5Sat
directAmerican Airlines
8h 40mLHR-ORD
18/5Sat
directAmerican Airlines
7h 45mORD-LHR
£486
8/5Wed
directFinnair
8h 35mLHR-ORD
13/5Mon
directFinnair
7h 45mORD-LHR
£518
11/5Sat
multi-stopFinnair
29h 15mLHR-ORD
20/5Mon
multi-stopFinnair
12h 30mORD-LHR
£522
11/5Sat
multi-stopScandinavian Airlines
17h 15mLHR-ORD
15/7Mon
multi-stopScandinavian Airlines
19h 50mORD-LHR
£814
8/5Wed
multi-stopScandinavian Airlines
26h 50mLHR-ORD
13/5Mon
multi-stopScandinavian Airlines
19h 50mORD-LHR
£1,418
9/5Thu
directBritish Airways
8h 35mLHR-ORD
10/5Fri
directBritish Airways
7h 50mORD-LHR
£2,529
9/5Thu
multi-stopBritish Airways
11h 10mLHR-ORD
11/5Sat
directBritish Airways
7h 45mORD-LHR
£2,604
11/5Sat
multi-stopAer Lingus
13h 35mLCY-ORD
18/5Sat
multi-stopAer Lingus
16h 20mORD-LCY
£3,474

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London - Chicago Flights

Return flight deals:

Chicago - London

Cabin classes:

£2,508
£1,822
£990
£498