£560 Find Cheap Flights from Belfast to Illinois

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to Illinois departing on 8/12. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Illinois, as well as popular online travel agencies
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Flight Deals

Book Cheap Belfast to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Belfast to Illinois 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 for you by selecting your travel dates on KAYAK.

Recent return flight deals from Belfast to Illinois

Mon, 8 Dec - Mon, 15 Dec
Multiple Airlines Logo
07:20 - 17:20BHD-ORD
16h 00m2 stops
Multiple Airlines Logo
18:30 - 20:30ORD-BHD
20h 00m2 stops
£560Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Delta Logo
06:30 - 14:20BHD-ORD
13h 50m1 stop
Delta Logo
10:45 - 16:50ORD-BHD
24h 05m2 stops
£591Delta
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Delta Logo
06:30 - 21:47BHD-ORD
21h 17m2 stops
Delta Logo
10:45 - 16:50ORD-BHD
24h 05m2 stops
£596Delta
Find Deal
Mon, 8 Dec - Mon, 15 Dec
American Airlines Logo
09:15 - 15:25BHD-ORD
12h 10m1 stop
American Airlines Logo
18:35 - 18:35ORD-BHD
18h 00m2 stops
£602American Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Multiple Airlines Logo
06:35 - 15:25BHD-ORD
14h 50m1 stop
Multiple Airlines Logo
20:35 - 16:05ORD-BHD
13h 30m1 stop
£610Multiple Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
06:35 - 18:45BHD-ORD
18h 10m1 stop
American Airlines Logo
21:45 - 14:15ORD-BHD
11h 30m1 stop
£623American Airlines
Find Deal
Tue, 31 Mar - Sat, 4 Apr
British Airways Logo
09:35 - 18:15BHD-ORD
14h 40m1 stop
British Airways Logo
17:00 - 10:10ORD-BHD
11h 10m1 stop
£1,063British Airways
Find Deal
Sat, 28 Mar - Wed, 1 Apr
British Airways Logo
06:35 - 19:45BHD-ORD
18h 10m1 stop
British Airways Logo
17:00 - 11:55ORD-BHD
12h 55m1 stop
£2,164British Airways
Find Deal
Fri, 27 Mar - Thu, 2 Apr
KLM Logo
06:30 - 16:10BHD-ORD
14h 40m2 stops
KLM Logo
16:20 - 21:20ORD-BHD
23h 00m1 stop
£2,706KLM
Find Deal
Sat, 28 Mar - Thu, 2 Apr
KLM Logo
06:30 - 15:20BHD-ORD
13h 50m1 stop
KLM Logo
17:10 - 16:55ORD-BHD
17h 45m2 stops
£2,957KLM
Find Deal
Booking Insights

KAYAK's insights & trends for Belfast to Illinois flights

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

Which airlines fly direc between Belfast and Illinois?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Belfast to Illinois.

There is just one airline that flies from Belfast to Illinois direct and that is British Airways. The best return deal found from British Airways for the route is to Chicago O'Hare Intl Airport (ORD) and costs £494.

Which airlines provide the cheapest flights from Belfast to Illinois?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Belfast to Illinois were found on Delta (£591) and American Airlines (£602).

Good to know - Cheap tickets from Belfast to Illinois

Cheapest flight£560
Flight from Belfast City Airport to Chicago O'Hare Airport

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Belfast to Illinois?

    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 Belfast to Illinois.

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

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

  • What is the Hacker Fare option on flights from Belfast to Illinois?

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

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

    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 from Belfast to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the morning, when retur flights cost £661 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is £661.

Reviews of the top airline flying from Belfast to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Belfast to Illinois. 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 Belfast to Illinois? 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.
6.7
British AirwaysOverall score based on 7494 reviews
6.9Boarding
6.4Entertainment
6.3Food
7.6Crew
6.7Comfort
Airline reviews

Great flight. One unique individual assisting in business class who should have not been there. Need more generic meals, not British centric.

10.0 ExcellentAnonymous, Nov 2025LHR - SFO
Read more British Airways reviews

Great flight. One unique individual assisting in business class who should have not been there. Need more generic meals, not British centric.

There might be more food options for people who can't eat so much starch/sugar/bread/rice. Meat, cheese, walnuts/pecans for snack, maybe jerky or other kinds of meat-based snacks would be better than bread and rice and sweets. I had an extra chardonnay, which was fine. The entertainment was great.

Unfortunately, my flight was cancelled because of some sort of emergency over the Atlantic and had to return to London. While I think British Airways made every effort to mitigate the situation, I must say it was still pretty unpleasant. I do appreciate the fact, however, that British Airways put my safety first…and I think the effort to correct a bad situation was very sincere. But I think the process might be handled better in future.

Crew service was poor and very little difference between premium economy and economy. Disappointed.

My bags never made it on the flight and I now have to wait for them to arrive hopefully tomorrow. You can’t even track your bags in the app to see where they are since they didn’t arrive. You have to file a claim and then wait for them to inform you when you will receive your bag. We were already delayed for an hour due to baggage so I don’t understand how my bag didn’t make the flight.

One of the worst experience given the middle seat even asked for the change no one honored,boarded at the end and overall one of the worst experience

It was good although our flight to the UK was cancelled and rescheduled for two days later. This was after we were already seated on the plane. We missed the first leg of our trip. BA did put us up at a hotel and paid for our meals but we lost our hotel costs in Glasgow.

The crew was very nice and pleasant. We were very reluctant to book our flight with British Airlines because we had bad experience with their flight attendants on the previous trips, they were rude and not helpful.

I am a 25+ years American Airlines member. British Airways is simply above and beyond in every customer satisfaction category.

The seat pads are past there sell by date now and are uncomfotable. Also, with screens in the back of the seat, the seats shouldnt be able to recline as this puts rhe screen in your face.

Everything you need to know for your flight from Belfast to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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