DFW - LHR

£234 Find Cheap Flights from Dallas to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dallas to Heathrow departing on 24/11. 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

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

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

Cheap Flights from Dallas to Heathrow (DFW-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Dallas to Heathrow 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 Dallas to Heathrow

Sun, 21 Sep - Tue, 7 Oct
Delta Logo
07:15 - 06:45DFW-LHR
17h 30m1 stop
Delta Logo
09:00 - 20:56LHR-DFW
17h 56m2 stops
£387Delta
Find Deal
Sun, 21 Sep - Tue, 7 Oct
Delta Logo
05:29 - 06:45DFW-LHR
19h 16m1 stop
Delta Logo
09:00 - 20:56LHR-DFW
17h 56m2 stops
£388Delta
Find Deal
Wed, 11 Feb - Sat, 21 Feb
Finnair Logo
21:15 - 12:15DFW-LHR
9h 00mdirect
Finnair Logo
16:15 - 15:10LHR-DFW
28h 55m1 stop
£391Finnair
Find Deal
Wed, 5 Nov - Thu, 20 Nov
Air Canada Logo
07:05 - 07:10DFW-LHR
18h 05m2 stops
Air Canada Logo
13:25 - 14:57LHR-DFW
31h 32m2 stops
£391Air Canada
Find Deal
Mon, 13 Oct - Thu, 23 Oct
Air Canada Logo
09:25 - 06:35DFW-LHR
15h 10m2 stops
Air Canada Logo
08:30 - 21:43LHR-DFW
19h 13m2 stops
£392Air Canada
Find Deal
Mon, 16 Feb - Sun, 1 Mar
Finnair Logo
16:55 - 20:40DFW-LHR
21h 45m1 stop
Finnair Logo
16:15 - 15:10LHR-DFW
28h 55m1 stop
£394Finnair
Find Deal
Tue, 30 Sep - Wed, 8 Oct
British Airways Logo
17:50 - 09:00DFW-LHR
9h 10mdirect
British Airways Logo
10:30 - 14:55LHR-DFW
10h 25mdirect
£398British Airways
Find Deal
Tue, 30 Sep - Wed, 8 Oct
Iberia Logo
12:37 - 06:20DFW-LHR
11h 43m1 stop
Iberia Logo
16:25 - 20:50LHR-DFW
10h 25mdirect
£400Iberia
Find Deal
Sat, 1 Nov - Wed, 19 Nov
British Airways Logo
18:53 - 06:50DFW-LHR
30h 57m1 stop
British Airways Logo
15:00 - 19:10LHR-DFW
10h 10mdirect
£409British Airways
Find Deal
Fri, 17 Oct - Wed, 29 Oct
Iberia Logo
19:50 - 10:50DFW-LHR
9h 00mdirect
Iberia Logo
08:20 - 13:35LHR-DFW
10h 15mdirect
£414Iberia
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts and KAYAK users
Finnair's Economy Comfort offers extra legroom for a fee.
Check in by phone with Iberia to avoid system issues.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
Top airlines
Delta
Cheapest • from £387 (return)
Finnair
Best reviews • 7.6 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 15% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£387
Overall average: £592
Delta
Sun 21/9Tue 7/10
DFW - LHR • 1 stop
Cheapest direct flights
£395
Typical prices: £520-832
British Airways
Sun 21/9Fri 3/10
DFW - LHR • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Expert advice

Expert advice for your flight from Dallas to Heathrow

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
British Airways

British Airways' Premium Economy offers 18 cm extra legroom, enhancing comfort on long-haul flights.


BA's Club World provides priority boarding and larger baggage allowance, ideal for long-haul travel.

Iberia

Iberia's Business Class offers all-aisle access and private suites on A350-900 for restful long-haul flights.


Iberia's Premium Economy provides wider seats, adjustable headrests, and USB power outlets for long-haul comfort.

Read more about Iberiaby Marisa Garcia
Finnair

Finnair's Economy Comfort offers extra legroom for a small fee, enhancing long-haul comfort.


Finnair's A350 features lower cabin altitude and higher humidity, improving passenger comfort on long flights.

Read more about Finnairby Gabriel Leigh
Airports
DFW

Use the airport’s app to check real-time security wait times and choose the shortest queue for a smoother departure.

Read more about DFWby Ramsey Qubein
LHR

Take the Heathrow Express for a quick 15-minute ride to London Paddington. Book tickets in advance for the best rates.

Read more about LHRby Kirstie Pickering
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialising in airline interiors and regulations. 10 years ago, she pivoted to journalism. She shares her insights in leading aviation, travel and business publications and on her site, FlightChic.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on DFW

Ramsey Qubein

Ramsey Qubein

An avid traveller and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg, among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR

Kirstie Pickering

Kirstie Pickering

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Read more
Booking Insights

KAYAK's insights & trends for Dallas to Heathrow flights

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

What’s the cheapest day of the week to fly from Dallas to London Heathrow Airport?

The average price of all round-trip flights from Dallas/Fort Worth Airport to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to London Heathrow Airport 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 Dallas to London Heathrow Airport. For your return ticket, we recommend flying on a Wednesday and avoiding Fridays for the best deals.

What is the cheapest month to fly from Dallas/Fort Worth Airport to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Dallas/Fort Worth Airport to London Heathrow Airport, 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 Dallas/Fort Worth Airport to London Heathrow Airport is October, where tickets cost £591 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £1,059 and £845 respectively.

Can I save money by flying with a stopover from Dallas/Fort Worth Airport to London Heathrow Airport?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of £508, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Dallas/Fort Worth Airport to London Heathrow Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Dallas/Fort Worth Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Dallas/Fort Worth Airport to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know - Cheap tickets from Dallas to London Heathrow Airport

Low seasonJanuary
Cheapest flight£234
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from Dallas to London Heathrow Airport

When to book flights from Dallas to Heathrow

Are your dates flexible? Find out the best times to travel from Dallas to Heathrow 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.

Flights from Dallas to Heathrow: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Dallas to Heathrow 
Verified travelerFlew with IberiaMay 2025
Take a pillow you can sleep on and rest.
Verified travelerFlew with IberiaDec 2024
If you can't check in online do it by phone, don't do it at the airport because the system sucks!

FAQs for booking Dallas to London Heathrow Airport flights

  • What is the cheapest flight from Dallas/Fort Worth Airport to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Dallas/Fort Worth Airport to London Heathrow Airport was £317 for a one-way ticket and £524 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Dallas to London Heathrow Airport?

    All the following airlines offer inflight Wi-Fi service on the Dallas to London Heathrow Airport flight route: British Airways, Iberia, Finnair, American Airlines, Lufthansa, Aer Lingus, and United Airlines.

  • Which aircraft models fly most regularly from Dallas to London Heathrow Airport?

    The Boeing 777-300ER is the aircraft model that flies most regularly on the Dallas to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Dallas to London Heathrow Airport?

    oneworld is the only airline alliance operating flights between Dallas and London Heathrow Airport.

  • On which days can I fly direct from Dallas to London Heathrow Airport?

    There are direct flights from Dallas to London Heathrow Airport on a daily basis.

  • Which is the best airline for flights from Dallas to London, Finnair or Scandinavian Airlines?

    The two airlines most popular with KAYAK users for flights from Dallas to London are Finnair and Scandinavian Airlines. With an average price for the route of £807 and an overall rating of 7.6, Finnair is the most popular choice. Scandinavian Airlines is also a great choice for the route, with an average price of £638 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Dallas to London Heathrow Airport?

    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 Dallas to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Dallas 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 Dallas to London Heathrow Airport?

    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 London Heathrow Airport with an airline and back to Dallas with another airline.

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

    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 London Heathrow Airport from Dallas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Dallas/Fort Worth Airport to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Dallas? 25% of our users found flights on this route for £308 or less one-way and £512 or less round-trip.

Prefer to fly direct from Dallas to London Heathrow Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Dallas/Fort Worth to London Heathrow.
Find which airlines fly direct from Dallas/Fort Worth Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Dallas/Fort Worth to London Heathrow

Monday

American Airlines, British Airways

American Airlines, British Airways

Tuesday

American Airlines, British Airways

American Airlines, British Airways

Wednesday

American Airlines, British Airways

American Airlines, British Airways

Thursday

American Airlines, British Airways

American Airlines, British Airways

Friday

American Airlines, British Airways

American Airlines, British Airways

Saturday

American Airlines, British Airways

American Airlines, British Airways

Sunday

American Airlines, British Airways

American Airlines, British Airways

See more direct flights

Direct returns

London Heathrow to Dallas/Fort Worth

Monday

American Airlines, British Airways

American Airlines, British Airways

Tuesday

American Airlines, British Airways

American Airlines, British Airways

Wednesday

American Airlines, British Airways

American Airlines, British Airways

Thursday

American Airlines, British Airways

American Airlines, British Airways

Friday

American Airlines, British Airways

American Airlines, British Airways

Saturday

American Airlines, British Airways

American Airlines, British Airways

Sunday

American Airlines, British Airways

American Airlines, British Airways

See more direct flights

Reviews of the top 5 airlines flying from Dallas to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Dallas to London. 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 Dallas to Heathrow? 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.
7.6
FinnairOverall score based on 1323 reviews
6.9Entertainment
6.7Food
7.6Boarding
7.5Comfort
8.1Crew
Airline reviews

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

10.0 ExcellentSarah, Aug 2025CPH - HEL
Read more Finnair reviews

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

This was an absolutely exceptional flight. The flight attendants were extremely attentive and very friendly. They seemed to go out of their way to make us comfortable and to make sure that we had everything we needed., We were in business and were very happy with the size and the details for our pods. We would definitely recommend Finnair and will definitely be flying with them again.

We had an excellent trip with Finnair. This was our first time and we’re very pleased. The only issue was with the boarding - it was a little bit confusing and needs a little bit of streamlining.

Crew very lovely. Arrived an hour late due to bad weather. We were given new tickets to an other flight but it could have been organised better, so we did not have to run through the whole airport to.

Flight delayed over an hour. They said they would hold our connection but then did not.

Major problems checking in at Alaska counter. They could not find our booking code because it came from Finnair.

Do not use KAYAK or Finair for future travel. Unless you purchase the tickets directly from the airline, you were going to have a difficult time checking in. Kayak canceled my flights twice and ended up causing great difficulty in me getting back from Europe because they double sold my tickets between American Airlines and Finair. The event caused significant delays and led to me having to rebook my flights.

The staff were all particularly great. The plane was clean and fresh. The bassinet worked great. It was all very nice.

Will not recommend SAS for business travel. Food was so-so. Service was very good. First leg was very good. Second leg from Copenhagen to Barcelona was terrible. We paid a LOT for business class and to have seats worse than most coach seats with no entertainment and no charging available for 1/3rd of the whole trip was not acceptable. Very disappointing. I thought they were coming back in the U.S. with style, NOT YET.

I do not have a problem with the airline but both my two suitcases that were supposed to go from Hawaii to Copenhagen didn’t get on the plane in Seattle. I arrive on Monday the 21st at 10:30 in the morning. I did not get my two suitcases before Friday late afternoon that is unacceptable.

No choice of food. Needed to pay more even for a can of coke!!!

great crew, professional, funny, and great service. good condition plane too! great experience

The seats were really close together and hard to get comfortable. The food was okay. The cheese was amazing! I loved the cold towels they gave us.

When my flight was changed from delays they were quick to rebook me.

I really enjoyed how clean and big the aircraft was, as well as how friendly the crew was.

Airline left me stranded in the U.S. gave me an unrequested refund of 40% of booking and canceled my trip back! When I asked why, the said “we don’t have to tell you why”. “But you can rebook”. Never again! Paid 2x and rebooked on Austrian. What a joke!

Painful seats for a 10 hour flight. There’s a very hard flat board in the seat that goes up to half the back and after 7 hours it gets impossible to find the right position to avoid the pain.

I paid for the seat with more leg room but on the day of my departure my seat was changed. I brought it to the airline costumer service and he was able to change it back. The person sitting next to me had the same exact issue.

Don’t know they cancelled the flight day before I was to leave. They sent a email at 9:00 pm at night saying they cancelled. That is the smooth way to say we don’t want your business! I think they didn’t have enough people booking so they cancelled the flight! It’s all about the money anymore there is no honesty in business.

The flight was canceled 3 hours after original take off time

Pathetic check in experience at JFK. Everything is self check in. Not enough staff present to help with when the check in process or the kiosk gets stuck. Staff present not welcoming or pleasant at all. On the other hand the NY based flight crew was great. Courteous and friendly throughout the flight. Special meals leave a lot to be desired. Kids meals should be made available when kids are flying and same goes for special kids meals too.

Flight was full, and would have preferred an aisle seat, but due to getting a late ticket ,the seat I had was adequate. The flight crew were very help full and hard working. Food and drink were excellent for the 11hr flight. Overall I was pleased with flight, and would recommend British Airways again.

More choices on menu. Seemed only thing offered was Scottish, and while that’s good for the Scot’s it doesn’t help the Americans who don’t like that food. And I really hate it when, during sleep time the attendants have a very loud conversation right over you. Lastly, I paid 5000 dollars for business class, and having to pay more to choose my seat early is really an insult. Seems greedy

The chicken adobo was a little too spicy but good otherwise. My personal opinion. Movie selection could be improved, too many horror movies. Could add a few more chick flicks! The flight was bumpy at times. We arrived a little early too! Flight attendants friendly.

Again flight was awesome except British Airways lost both gate checked luggage’s. Still missing

really bad they refused to check in luggages that I had purchased, even showing them the transaction receipt from british airways app the staff in miami was MEDIOCRE

Crew was great and responsive. Entertainment quit working with about 4 hours remaining on the flight. My seat cushion was broken.

Not very good , the stewardess were unfriendly and they don't like to be bothered. Cos was a night flight and they need to sleep.

It was fortunate that the flight arrived in London in accordance with schedule, and the luggage was promptly transferred to the luggage carousel. However, I find it concerning that even minor issues in economy cabins are prevalent within the industry. American Airlines, in particular, appears to have the least legroom and feels more crowded due to the proximity of neighboring passengers. Additionally, the crew’s adherence to protocol is inconsistent. While they may enforce certain rules set by the FAA on a select few individuals, they often overlook numerous violations, such as failing to reset seat recline during landing.

Easy and organized getting in and out of the flight

We liked the flight but while we purchased an aisle seat, our seats had a different configuration on this flight. A fellow passenger suggested that the airplane had been changed. Too bad we were not informed and had no chance to modify our seat preferences. We were stuck in the window and middle seats with no chance to walk around and go to the bathroom without disturbing our sleeping fellow passenger.

The crew were not very personable. The crew did not serve tea or coffee. The bathroom was not kept clean. Two out of the 5 toilets in the cabin weren't working.

It was extremely cold in the back of the plane. The seats are uncomfortable and space very small. Crew was excellent as usual.

Check in needed to be in person, not nice. Also I won’t do connections in Charlotte again because you need to go through security again and short connections become a problem

Iberia lost my bag, said they found it in another country, said they sent it to me, but never did. Went my whole trip without my stuff, but expecting it to show up because that’s what they said would happen. Their communication sucks, their website sucks, and to top it all off, their seats are small and uncomfortable. They’re bad at their jobs and they should feel bad about themselves. Do not even get me started on the flight home. AVOID!

I described my experience in the previous window. I didn't realize that there would be another opportunity for this flight. Please look at my response in the previous window.

Boarding was 2 1/2 late no explanation Captain said he did not know why, but he rested at home for an extra couple of hours. Food was edible, Nothing more.

I liked the comfort of the plane. It was unexpected from past experiences.

The seating has become ridiculous… like a contest to see how narrow and short they can be made- forcing anyone over 5’1 to pay more to not be twisting oneself into a pretzel. Really insane- would have thought BA was better than this. Frankly- it cancels out a lot of the positive aspects.

flight was delayed from BWI to London - missed my connecting flight & then connecting flight (also British Air) was delayed - food is awful, TV & movie selection is great

Super tight economy class. My knees were hitting the back of seat in front of me (I'm only 5'6"). My small backpack (sized according to their required dimensions) would not fit under the seat in front of me because there is a box (is that the life jacket?) in the way. Over all, extremely uncomfortable. I forgive the tasteless food, but the tight seating was torture

Didn’t fly with them as someone had cancelled my flight

Online check-in 24 hours in advance something seems not so easy to check in to pick seats and to print a boarding pass

I like the crew, very welcoming. Food can be better. The seat arms don’t go up so. I could use the empty seat next to mine to relax better. 3hrs delay 😠

Boarding was efficient and quick, crew was very attentive, seats were comfortable.

Everything was very good! I personally struggled with the heat in the cabin for the first 2 hours

Very caring crew on board. Didn’t have dinner as I was sleeping. Was seating in the emergency row so I had comfortable leg room

Had a nice little suite although I couldn’t close the door (but I didn’t ask anyone to help). 5K is a nice seat and very private (you look in on first class). Enjoyable flight and nice crew.

Everything you need to know for your flight from Dallas to Heathrow

Information on your arrival and departure airports

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