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$601+ Cheap flights from Heathrow (LHR) to Dallas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in January or February, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Dallas

Cheapest flights from Heathrow to Dallas
Explore the most affordable flight options available from Heathrow to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:30 pmLHR - DFW
Nonstop10h 40mBritish Airways
Tue 1/137:00 pmDFW - LHR
Nonstop9h 00mBritish Airways
Deal found 12/17$918
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:30 pmLHR - DFW
Nonstop10h 40mAmerican Airlines
Tue 1/133:00 pmDFW - LHR
1 stop10h 50mAmerican Airlines
Deal found 12/17$949
This TravelUp deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:30 pmLHR - DFW
Nonstop10h 40mBritish Airways
Tue 1/133:00 pmDFW - LHR
1 stop10h 50mBritish Airways
Deal found 12/16$960
This ChecknFly deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:10 pmLHR - DFW
1 stop26h 09mFinnair
Tue 1/135:00 pmDFW - LHR
1 stop11h 25mFinnair
Deal found 12/17$971
This ChecknFly deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 amLHR - DFW
1 stop16h 15mFinnair
Tue 1/1312:50 pmDFW - LHR
1 stop12h 30mFinnair
Deal found 12/16$980
This TravelUp deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:30 pmLHR - DFW
Nonstop10h 40mMultiple Airlines
Tue 1/135:30 pmDFW - LHR
2 stops17h 20mMultiple Airlines
Deal found 12/17$1,000
This ChecknFly deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:20 amLHR - DFW
1 stop31h 18mJetBlue
Sun 1/1111:29 amDFW - LHR
1 stop13h 26mJetBlue
Deal found 12/15$1,006
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:30 pmLHR - DFW
Nonstop10h 40mIberia
Sat 1/319:15 pmDFW - LHR
Nonstop9h 00mIberia
Deal found 12/17$1,019
This Trip.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:20 amLHR - DFW
1 stop31h 18mJetBlue
Wed 4/2211:00 amDFW - LHR
1 stop13h 30mJetBlue
Deal found 12/16$1,020
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:30 pmLHR - DFW
Nonstop10h 40mMultiple Airlines
Sat 1/316:15 pmDFW - LHR
1 stop11h 20mMultiple Airlines
Deal found 12/17$1,024
This Cheapflightsfares deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 amLHR - DFW
1 stop13h 05mBritish Airways
Wed 3/189:30 pmDFW - LHR
Nonstop9h 10mBritish Airways
Deal found 12/17$1,031
This Expedia deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:45 amLHR - DAL
1 stop15h 57mKLM
Wed 1/212:17 pmDAL - LHR
1 stop11h 33mKLM
Deal found 12/15$1,167

Find flight deals from Heathrow to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Round-trip from

$732
(Mytrip)

One-way from

$601
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$1,281
From London Heathrow to Dallas
Search Deals
One-way flight from London Heathrow to Dallas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Dallas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Dallas that are best for you.

Fly from

Heathrow

Fly to

Dallas

Route

Depart

Return

Price

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 1/27

6:40 am-9:43 pm

2 stops21h 03m

Dallas/Fort Worth

Tue 2/3

7:35 am-4:00 pm

3 stops26h 25m

$837

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 3/2

7:05 am-10:31 pm

3 stops21h 26m

Dallas Love Field

Sun 3/8

3:55 pm-4:00 pm

2 stops19h 05m

$840

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 2/26

7:05 am-9:55 pm

3 stops20h 50m

Dallas/Fort Worth

Mon 3/2

3:45 pm-4:00 pm

2 stops18h 15m

$841

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 2/12

7:05 am-10:31 pm

3 stops21h 26m

Dallas Love Field

Mon 2/23

3:59 pm-5:40 pm

2 stops19h 41m

$843

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 2/13

6:40 am-12:16 am

3 stops23h 36m

Dallas/Fort Worth

Wed 2/18

8:05 am-5:40 pm

2 stops27h 35m

$844

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sat 1/31

6:40 am-12:27 am

2 stops23h 47m

Dallas/Fort Worth

Sat 2/7

1:32 pm-9:40 pm

2 stops26h 08m

$847

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 1/22

6:40 pm-10:29 pm

2 stops33h 49m

Dallas Love Field

Mon 1/26

3:57 pm-5:40 pm

2 stops19h 43m

$850

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sun 2/15

6:40 pm-12:16 am

2 stops35h 36m

Dallas/Fort Worth

Tue 2/24

7:15 am-9:20 am

2 stops20h 05m

$852

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sat 2/21

10:20 am-11:54 pm

2 stops19h 34m

Dallas/Fort Worth

Wed 3/4

4:00 pm-6:30 pm

2 stops20h 30m

$852

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 2/23

10:20 am-11:54 pm

2 stops19h 34m

Dallas/Fort Worth

Mon 3/2

3:45 pm-5:40 pm

2 stops19h 55m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 41 results
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Best time to book a flight from Heathrow to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Dallas

How far ahead should I book a flight from London Heathrow Airport to Dallas?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Dallas. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Dallas, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of $307). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of $797). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to DFW?

Find hourly flight availability from Heathrow to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from London Heathrow Airport to Dallas in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from London Heathrow Airport to Dallas

Explore weekly flight availability from Heathrow to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from LHR to A78 are scheduled on a Monday (28 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from London Heathrow Airport to Dallas?

How often are flights from London to Dallas delayed?

About 13% of weekly flights between London and Dallas have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for London to Dallas flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Dallas flights?

Over the last year, American Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

The best insider tips for London Heathrow Airport to Dallas flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Dallas trip
Airlines
British Airways

BA's Club Suite offers solo pods with a door, ensuring privacy on long-haul flights.


BA's World Traveller Plus provides extra seat width, legroom, and upgraded service in a dedicated cabin.

Read more about British AirwaysBy Gabriel Leigh
Iberia

Iberia's premium economy offers 37 inches of legroom, noise-canceling headphones, and priority boarding.


Iberia's business class offers lay-flat beds with massage function and Mediterranean-inspired meals.

Read more about IberiaBy Emily Zemler
Airports
LHR

Heathrow's strict security means long waits. Ensure liquids are in one bag and remove suspicious items to avoid delays.

Read more about LHRBy Ramsey Qubein
DFW

DFW offers a DART Orange Line connecting downtown Dallas to Terminal A, providing convenient public transport access.

Read more about DFWBy Chris Dong
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

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
Emily Zemler

Emily Zemler

Expert on Iberia

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler 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

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas. Reviews last updated December 18, 2025.
See what other customers who have flown with Finnair, Turkish Airlines, and American Airlines from London Heathrow Airport to Dallas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,338 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,338 reviews
Finnair
7.6
Good
1,338 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Turkish Airlines
7.3
Good
4,102 reviews
Finnair
7.6
Good
1,338 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,054 reviews
Finnair
7.6
Good
1,338 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Iberia
7.0
Good
3,053 reviews
Finnair
7.6
Good
1,338 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,585 reviews
Finnair
7.6
Good
1,338 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Dallas?

    For as low as $837, Scandinavian Airlines can have you in Dallas from London Heathrow Airport in 21h 03m. The distance between London Heathrow Airport and Dallas is about 4736 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Dallas round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Dallas round-trip from $635. Other airlines that can offer you cheap pricing are JetBlue, from $782, and American Airlines, from $822. Turkish Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Dallas one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $635. However, be on the lookout for offers from Lufthansa and Aer Lingus, as they are both options that can get you from London Heathrow Airport to Dallas for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Dallas?

    Consider Malaysia Airlines (93%), Royal Jordanian (83%) or American Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Dallas.

  • What are the cheapest flights from London Heathrow Airport to Dallas?

    Looking for the cheapest flight from London Heathrow Airport to Dallas? While on average our users pay $1,757, our data indicates the cheapest price to be $646. The most popular route (London Heathrow - Dallas/Fort Worth), is priced around $683.

  • Can I find deals for flights from Heathrow to Dallas that include hotel bookings?

    Yes. In addition to deals on Heathrow to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Dallas.

  • Can I find deals for business class flights from Heathrow to Dallas?

    Yes. Cheapflights offers flight deals from Heathrow to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

    Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of $307). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of $797). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from Heathrow to Dallas

Discover the top 6 airlines that operate flights from Heathrow to Dallas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$635Average$937FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$782Average$1,036FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$822Average$1,185FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$829Average$1,103FlexibilityNo cancel feeOn-time70%
IberiaCheapest$904Average$1,099FlexibilityNo cancel feeOn-time77%
FinnairCheapest$961Average$1,145FlexibilityNo cancel feeOn-time76%

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