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$453+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in November or September, booked 72 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 March 28, 2025.

Round-trip from

$670
(Mytrip)

One-way from

$453
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$938
From London Heathrow to Dallas
Search Deals
One-way flight from London Heathrow to Dallas
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Highest demand for flights based on searches. 12% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:30 amLHR - DFW
2 stops27h 45mMultiple Airlines
Wed 4/302:11 pmDFW - LHR
2 stops21h 04mMultiple Airlines
Deal found 3/27$670
This The Travel House deal was found by Cheapflights users on 3/27. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:10 pmLHR - DFW
1 stop26h 55mFinnair
Fri 5/24:35 pmDFW - LHR
1 stop17h 30mFinnair
Deal found 3/27$673
This The Travel House deal was found by Cheapflights users on 3/26. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:25 amLHR - DFW
1 stop32h 52mIcelandair
Thu 10/212:15 pmDFW - LHR
1 stop12h 15mIcelandair
Deal found 3/26$704
This Expedia deal was found by Cheapflights users on 3/27. 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 9/238:25 amLHR - DFW
1 stop32h 52mJetBlue
Tue 9/3012:15 pmDFW - LHR
1 stop12h 15mJetBlue
Deal found 3/27$718
This The Travel House deal was found by Cheapflights users on 3/26. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:15 amLHR - DFW
1 stop16h 55mIberia
Tue 9/168:22 amDFW - LHR
1 stop19h 03mIberia
Deal found 3/26$753
This deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/152:50 pmLHR - DFW
1 stop14h 54mUnited Airlines
Thu 5/110:43 amDFW - LHR
1 stop13h 37mUnited Airlines
Deal found 3/26$798
This Netflights deal was found by Cheapflights users on 3/27. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:00 pmLHR - DFW
Nonstop10h 20mBritish Airways
Thu 5/2910:30 amDFW - LHR
1 stop15h 30mBritish Airways
Deal found 3/27$838
This deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:05 pmLHR - DFW
1 stop13h 39mAir Canada
Sat 6/149:25 amDFW - LHR
1 stop15h 05mAir Canada
Deal found 3/27$853
This Netflights deal was found by Cheapflights users on 3/27. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:15 amLHR - DAL
2 stops20h 19mVirgin Atlantic
Tue 9/1612:01 pmDAL - LHR
1 stop13h 14mVirgin Atlantic
Deal found 3/27$936
This TravelUp deal was found by Cheapflights users on 3/27. 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.
Mon 4/211:05 pmLHR - DAL
1 stop15h 07mKLM
Wed 4/304:00 pmDAL - LHR
1 stop13h 10mKLM
Deal found 3/27$946
This TravelUp deal was found by Cheapflights users on 3/27. 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.
Mon 5/59:20 amLHR - DAL
1 stop14h 31mAir France
Tue 5/273:59 pmDAL - LHR
1 stop13h 11mAir France
Deal found 3/27$1,022
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:40 amLHR - DAL
2 stops22h 58mScandinavian Airlines
Tue 10/1412:01 pmDAL - LHR
2 stops21h 59mScandinavian Airlines
Deal found 3/27$1,035

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 March 28, 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

Mon 4/21

6:30 am-4:15 am

2 stops27h 45m

Dallas/Fort Worth

Wed 4/30

2:11 pm-5:15 pm

2 stops21h 04m

$670

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 4/28

6:10 pm-3:05 pm

1 stop26h 55m

Dallas/Fort Worth

Fri 5/2

4:35 pm-4:05 pm

1 stop17h 30m

$673

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 9/10

8:25 am-11:17 am

1 stop32h 52m

Dallas/Fort Worth

Thu 10/2

12:15 pm-6:30 am

1 stop12h 15m

$704

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 9/23

8:25 am-11:17 am

1 stop32h 52m

Dallas/Fort Worth

Tue 9/30

12:15 pm-6:30 am

1 stop12h 15m

$718

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 9/1

9:15 am-8:10 pm

1 stop16h 55m

Dallas/Fort Worth

Tue 9/16

8:22 am-9:25 am

1 stop19h 03m

$753

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 4/15

2:50 pm-11:44 pm

1 stop14h 54m

Dallas/Fort Worth

Thu 5/1

10:43 am-6:20 am

1 stop13h 37m

$798

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 5/1

12:00 pm-4:20 pm

Nonstop10h 20m

Dallas/Fort Worth

Thu 5/29

10:30 am-8:00 am

1 stop15h 30m

$838

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sat 5/31

2:05 pm-9:44 pm

1 stop13h 39m

Dallas/Fort Worth

Sat 6/14

9:25 am-6:30 am

1 stop15h 05m

$853

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Tue 9/2

6:15 am-8:34 pm

2 stops20h 19m

Dallas Love Field

Tue 9/16

12:01 pm-7:15 am

1 stop13h 14m

$936

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 4/21

1:05 pm-10:12 pm

1 stop15h 07m

Dallas Love Field

Wed 4/30

4:00 pm-11:10 am

1 stop13h 10m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 33 results
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The best insider tips for London Heathrow Airport to Dallas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-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.
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 can delay you. Ensure liquids are in one bag and remove suspicious items to avoid long waits.

Read more about LHRby Ramsey Qubein
DFW

Upon arrival at DFW, use the DART Orange Line for a direct train to downtown Dallas from Terminal A.

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

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 March 21, 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 72 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of $216). Flying from London Heathrow Airport to Dallas in March is currently the most expensive (average of $295). 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 March 28, 2025.

It’s typically best to fly out from London Heathrow Airport to Dallas in the morning. Doing so could potentially save you 4% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Dallas by month

Plan your trip to Dallas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Temperature in Dallas by month

Plan your trip to Dallas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 March 28, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London to Dallas to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $673. Other airlines that can offer you cheap pricing are Icelandair, from $704, and JetBlue, from $718. Finnair is 29% 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 Aer Lingus, with whom users have recently found tickets for as low as $730. However, be on the lookout for offers from Scandinavian Airlines and Lufthansa, 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%), Gulf Air (82%) or American Airlines (78%) 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 $2,422, our data indicates the cheapest price to be $665. The most popular route (London Heathrow - Dallas/Fort Worth), is priced around $602.

  • 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of $216). Flying from London Heathrow Airport to Dallas in March is currently the most expensive (average of $295). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Heathrow to Dallas

Discover the top 4 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$848Average$1,092FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$868Average$1,079FlexibilityNo cancel feeOn-time71%
FinnairCheapest$887Average$1,097FlexibilityNo cancel feeOn-time76%
IberiaCheapest$1,058Average$1,298FlexibilityNo cancel feeOn-time77%
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