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$349+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in November or January, booked 85 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 April 29, 2025.

Round-trip from

$702
(Trip.com)

One-way from

$349
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$988
From London Heathrow to Dallas
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One-way flight from London Heathrow to Dallas
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Highest demand for flights based on searches. 12% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Trip.com deal was found by Cheapflights users on 4/28. 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.
Sun 6/88:10 pmLHR - DFW
1 stop26h 07mMultiple Airlines
Sun 6/154:13 pmDFW - LHR
1 stop32h 12mMultiple Airlines
Deal found 4/28$702
This The Travel House deal was found by Cheapflights users on 4/28. 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 5/128:20 amLHR - DFW
Nonstop10h 10mFinnair
Fri 5/166:10 pmDFW - LHR
1 stop15h 55mFinnair
Deal found 4/28$713
This The Travel House deal was found by Cheapflights users on 4/29. 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 9/158:25 amLHR - DFW
1 stop32h 52mIcelandair
Mon 9/2212:15 pmDFW - LHR
1 stop12h 15mIcelandair
Deal found 4/29$716
This The Travel House deal was found by Cheapflights users on 4/28. 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 5/59:15 amLHR - DFW
1 stop16h 55mIberia
Mon 5/127:00 pmDFW - LHR
1 stop15h 05mIberia
Deal found 4/28$747
This The Travel House deal was found by Cheapflights users on 4/28. 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 5/123:10 pmLHR - DFW
Nonstop10h 20mBritish Airways
Mon 5/192:51 pmDFW - LHR
1 stop12h 34mBritish Airways
Deal found 4/28$808
This deal was found by Cheapflights users on 4/28. 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.
Thu 5/156:30 amLHR - DFW
1 stop13h 35mLufthansa
Thu 9/113:50 pmDFW - LHR
1 stop14h 50mLufthansa
Deal found 4/28$872
This Expedia deal was found by Cheapflights users on 4/28. 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.
Fri 5/1612:05 pmLHR - DFW
1 stop13h 09mAir Canada
Mon 5/1911:40 amDFW - LHR
1 stop12h 55mAir Canada
Deal found 4/28$873
This TravelUp deal was found by Cheapflights users on 4/29. 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 9/19:20 amLHR - DAL
1 stop14h 29mKLM
Tue 9/306:37 pmDAL - LHR
1 stop12h 53mKLM
Deal found 4/29$977
This Netflights deal was found by Cheapflights users on 4/29. 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.
Mon 9/1511:20 amLHR - DAL
1 stop18h 21mVirgin Atlantic
Tue 9/2312:01 pmDAL - LHR
1 stop12h 44mVirgin Atlantic
Deal found 4/29$982
This TravelUp deal was found by Cheapflights users on 4/29. 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 9/151:05 pmLHR - DAL
1 stop13h 31mAir France
Sun 9/2112:01 pmDAL - LHR
1 stop12h 44mAir France
Deal found 4/29$1,016
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:05 pmLHR - DAL
2 stops16h 20mMultiple Airlines
Tue 9/233:30 pmDAL - LHR
2 stops14h 25mMultiple Airlines
Deal found 4/29$1,048
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/177:30 pmLHR - DAL
2 stops34h 29mScandinavian Airlines
Sat 7/124:00 pmDAL - LHR
2 stops19h 40mScandinavian Airlines
Deal found 4/29$1,062

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 April 29, 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

Sun 6/8

8:10 pm-4:17 pm

1 stop26h 07m

Dallas/Fort Worth

Sun 6/15

4:13 pm-6:25 am

1 stop32h 12m

$702

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 5/12

8:20 am-12:30 pm

Nonstop10h 10m

Dallas/Fort Worth

Fri 5/16

6:10 pm-4:05 pm

1 stop15h 55m

$713

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 5/5

9:15 am-8:10 pm

1 stop16h 55m

Dallas/Fort Worth

Mon 5/12

7:00 pm-4:05 pm

1 stop15h 05m

$747

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 7/1

8:25 am-1:27 pm

1 stop35h 02m

Dallas/Fort Worth

Tue 7/22

2:50 pm-6:30 am

1 stop33h 40m

$788

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 5/12

3:10 pm-7:30 pm

Nonstop10h 20m

Dallas/Fort Worth

Mon 5/19

2:51 pm-9:25 am

1 stop12h 34m

$808

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 5/15

6:30 am-2:05 pm

1 stop13h 35m

Dallas/Fort Worth

Thu 9/11

3:50 pm-12:40 pm

1 stop14h 50m

$872

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 5/16

12:05 pm-7:14 pm

1 stop13h 09m

Dallas/Fort Worth

Mon 5/19

11:40 am-6:35 am

1 stop12h 55m

$873

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 9/1

9:20 am-5:49 pm

1 stop14h 29m

Dallas Love Field

Tue 9/30

6:37 pm-1:30 pm

1 stop12h 53m

$977

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 9/15

11:20 am-11:41 pm

1 stop18h 21m

Dallas Love Field

Tue 9/23

12:01 pm-6:45 am

1 stop12h 44m

$982

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 9/15

1:05 pm-8:36 pm

1 stop13h 31m

Dallas Love Field

Sun 9/21

12:01 pm-6:45 am

1 stop12h 44m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 23 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 April 25, 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, 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 April 29, 2025.

It’s typically best to fly out from London Heathrow Airport to Dallas at noon. Doing so could potentially save you 5% 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 April 29, 2025.

The most flights from LHR to A78 are scheduled on a Tuesday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

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 April 29, 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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

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
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

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
1,275 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

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
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

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
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

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 $713. Other airlines that can offer you cheap pricing are Iberia, from $747, and Icelandair, from $788. Finnair is 27% 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 Avianca, with whom users have recently found tickets for as low as $786. However, be on the lookout for offers from WestJet and Scandinavian Airlines, 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 (92%), Finnair (77%) or American Airlines (76%) 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 $2,364, our data indicates the cheapest price to be $717. The most popular route (London Heathrow - Dallas/Fort Worth), is priced around $691.

  • 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 5 airlines flying from Heathrow to Dallas

Discover the top 5 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$809Average$995FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$848Average$1,080FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$868Average$1,068FlexibilityNo cancel feeOn-time71%
FinnairCheapest$887Average$1,118FlexibilityNo cancel feeOn-time76%
IberiaCheapest$1,058Average$1,276FlexibilityNo cancel feeOn-time77%

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