Heathrow

$331+ Cheap flights from Dallas to Heathrow (LHR)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
Dec 31 — Jan 71
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Dallas to London Heathrow are usually found in September or October, booked 17 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Dallas to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to Heathrow (LHR). 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 1, 2025.

Round-trip from

$724
(Mytrip)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,008
From Dallas to London Heathrow
One-way flight from Dallas to London Heathrow
Highest demand for flights based on searches. 22% potential increase in price ($280 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Find flight deals from Dallas to Heathrow

Cheapest flights from Dallas to Heathrow
Explore the most affordable flight options available from Dallas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:25 pmDFW - LHR
1 stop11h 30mBrussels Airlines
Wed 1/143:10 pmLHR - DFW
1 stop33h 18mBrussels Airlines
Deal found 12/1$724
This Mytrip deal was found by Cheapflights users on 11/30. 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 12/157:00 amDFW - LHR
2 stops18h 10mMultiple Airlines
Thu 1/156:50 amLHR - DFW
2 stops20h 49mMultiple Airlines
Deal found 11/30$729
This American Airlines deal was found by Cheapflights users on 11/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:45 pmDFW - LHR
Nonstop9h 05mAmerican Airlines
Sun 12/77:50 amLHR - DFW
1 stop15h 00mAmerican Airlines
Deal found 11/28$730
This United Airlines deal was found by Cheapflights users on 11/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:15 pmDFW - LHR
1 stop33h 25mUnited Airlines
Sat 1/1010:00 amLHR - DFW
1 stop15h 54mUnited Airlines
Deal found 11/30$731
This Iberia deal was found by Cheapflights users on 11/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:50 pmDFW - LHR
Nonstop9h 10mIberia
Thu 1/157:30 amLHR - DFW
1 stop15h 30mIberia
Deal found 11/30$732
This Air Canada deal was found by Cheapflights users on 11/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:37 pmDFW - LHR
2 stops35h 53mAir Canada
Sat 1/109:00 amLHR - DFW
2 stops18h 39mAir Canada
Deal found 11/30$733
This KLM deal was found by Cheapflights users on 12/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:18 pmDFW - LHR
1 stop11h 32mMultiple Airlines
Thu 12/256:20 amLHR - DFW
1 stop13h 40mMultiple Airlines
Deal found 12/1$735
This Virgin Atlantic deal was found by Cheapflights users on 11/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:15 amDAL - LHR
1 stop15h 35mVirgin Atlantic
Thu 1/158:40 amLHR - DAL
2 stops19h 49mVirgin Atlantic
Deal found 11/30$739
This Kiwi.com deal was found by Cheapflights users on 11/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:25 pmDFW - LHR
1 stop11h 30mAustrian Airlines
Mon 12/810:25 amLHR - DFW
1 stop13h 56mAustrian Airlines
Deal found 11/29$740
This CheapOair deal was found by Cheapflights users on 11/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:50 pmDFW - LHR
Nonstop9h 10mBritish Airways
Sun 12/144:30 pmLHR - DFW
Nonstop10h 35mBritish Airways
Deal found 11/29$741
This Justfly.com deal was found by Cheapflights users on 12/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:15 amDAL - LHR
2 stops19h 40mVirgin Atlantic
Wed 1/146:30 amLHR - DAL
2 stops21h 59mVirgin Atlantic
Deal found 12/1$741
This Expedia deal was found by Cheapflights users on 11/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:50 pmDFW - LHR
Nonstop9h 10mIberia
Sat 12/136:45 pmLHR - DFW
1 stop23h 00mIberia
Deal found 11/29$742

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas to Heathrow 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 1, 2025.
Use the filters below to find and compare flights from Dallas to London Heathrow Airport that are best for you.

Fly from

Dallas

Fly to

Heathrow

Route

Depart

Return

Price

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 1/22

1:18 pm-7:55 am

1 stop12h 37m

London Heathrow

Fri 1/30

10:25 am-6:21 pm

1 stop13h 56m

$734

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 2/24

2:27 pm-7:50 am

1 stop11h 23m

London Heathrow

Mon 3/2

12:30 pm-10:31 pm

1 stop16h 01m

$734

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 2/21

3:45 pm-6:50 am

Nonstop9h 05m

London Heathrow

Sun 3/1

4:15 pm-3:10 pm

1 stop28h 55m

$740

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 4/29

6:37 pm-1:30 pm

1 stop12h 53m

London Heathrow

Sat 5/9

1:05 pm-10:31 pm

1 stop15h 26m

$750

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 1/21

7:35 am-2:35 pm

3 stops25h 00m

London Heathrow

Sun 1/25

10:20 am-11:54 pm

2 stops19h 34m

$753

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 12/31

1:29 pm-9:00 am

1 stop13h 31m

London Heathrow

Wed 1/7

12:30 pm-9:00 pm

1 stop14h 30m

$756

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 12/31

7:00 am-9:40 am

2 stops20h 40m

London Heathrow

Thu 1/8

1:25 pm-9:39 pm

1 stop14h 14m

$756

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 2/26

12:15 pm-6:40 am

1 stop12h 25m

London Heathrow

Mon 3/2

6:30 am-2:25 pm

1 stop13h 55m

$756

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 12/16

10:20 am-5:55 am

1 stop13h 35m

London Heathrow

Wed 1/14

1:25 pm-9:39 pm

1 stop14h 14m

$759

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 12/31

7:00 am-9:40 am

2 stops20h 40m

London Heathrow

Wed 1/7

6:00 pm-9:32 pm

1 stop33h 32m

$762

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 43 results
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Best time to book a flight from Dallas to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Dallas 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 Dallas to London Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Heathrow. Price data was last updated on November 28, 2025.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Dallas to London Heathrow Airport (average of $402). Flying from Dallas to London Heathrow Airport in June is currently the most expensive (average of $947). 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 DFW to LHR?

Find hourly flight availability from Dallas to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 1, 2025.

It’s optimal to fly from Dallas to London Heathrow Airport in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Dallas to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Heathrow. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their Dallas to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas to London Heathrow Airport

Explore weekly flight availability from Dallas to Heathrow. 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 1, 2025.

The most flights from A78 to LHR are scheduled on a Sunday (29 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

How often are flights from Dallas to London delayed?

About 20% of weekly flights between Dallas and London have experienced delays in the past year, with the average delay time being 165 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

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

Over the last year, British Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.

The best insider tips for Dallas to London Heathrow Airport 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 Dallas to London Heathrow Airport trip
Airports
DFW

DFW's Terminal D offers luxury lounges like the Capital One Lounge and Centurion Lounge, ideal for relaxing before your long flight to London.

LHR

For a quick trip to central London, take the Heathrow Express to Paddington Station, the fastest option from LHR.

Our travel experts
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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 1, 2025.
Read through reviews of airlines operating flights from Dallas to London Heathrow Airport, such as Finnair, Scandinavian Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Overall

7.6

Crew

8.1

Food

6.7

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.

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Overall

7.6

Crew

8.1

Food

6.7

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.

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Overall

7.6

Crew

8.1

Food

6.7

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.

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Overall

7.6

Crew

8.1

Food

6.7

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.

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Overall

7.6

Crew

8.1

Food

6.7

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.

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Overall

7.6

Crew

8.1

Food

6.7

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 Dallas to Heathrow. 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 Dallas to London Heathrow Airport?

    A quick flight from Dallas to London Heathrow Airport can take about 9h 05m. United Airlines provides one of the quickest options available for as low as $740. There are 4736 mi between Dallas and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on JetBlue is currently your cheapest option to London Heathrow Airport, with prices starting at $116. Additional round-trip tickets that might be worth considering are offered by British Airways and Turkish Airlines, with the lowest prices starting at $546 and $563, respectively. JetBlue is currently priced 87% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Dallas to London Heathrow Airport are Scandinavian Airlines ($343), JetBlue ($349), and KLM ($428).

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

    Before booking your flight to London Heathrow Airport from Dallas, check out the most reliable airlines to get you to your destination on time: Royal Jordanian (71%), Malaysia Airlines (60%), Gulf Air( 56%).

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

    Looking for the cheapest flight from Dallas to London Heathrow Airport? While on average our users pay $2,890, our data indicates the cheapest price to be $269. The most popular route (Dallas/Fort Worth - London Heathrow), is priced around $565.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas to Heathrow 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 Dallas to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Dallas to London Heathrow Airport (average of $402). Flying from Dallas to London Heathrow Airport in June is currently the most expensive (average of $947). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Dallas to Heathrow

Discover the top 10 airlines that operate flights from Dallas to Heathrow. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$116Average$728FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$546Average$896FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$563Average$960FlexibilityNo cancel feeOn-time77%
DeltaCheapest$568Average$894FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$571Average$982FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$576Average$738FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$585Average$1,066FlexibilityNo cancel feeOn-time71%
FinnairCheapest$609Average$933FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$628Average$868FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$636Average$1,109FlexibilityNo cancel feeOn-time76%

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