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$262+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas to London Heathrow are usually found in October or September, booked 66 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:43 pm
DFW
-
LHR
1 stop32h 57m
United Airlines
Thu 11/269:30 am
LHR
-
DFW
1 stop34h 55m
United Airlines
Deal found 7/26$817
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am
DFW
-
LHR
2 stops22h 55m
Multiple Airlines
Wed 9/27:05 am
LHR
-
DFW
2 stops24h 29m
Multiple Airlines
Deal found 7/27$820
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am
DFW
-
LHR
2 stops44h 45m
Turkish Airlines
Tue 11/106:25 am
LHR
-
DFW
1 stop18h 00m
Turkish Airlines
Deal found 7/26$836
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:30 pm
DFW
-
LHR
1 stop35h 40m
Turkish Airlines
Mon 9/211:25 pm
LHR
-
DFW
2 stops39h 15m
Turkish Airlines
Deal found 7/29$852
This Trip.com deal was found by Cheapflights users on 7/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:55 am
DFW
-
LHR
2 stops23h 00m
Multiple Airlines
Tue 9/226:40 am
LHR
-
DFW
2 stops22h 43m
Multiple Airlines
Deal found 7/26$854
This eDestinos deal was found by Cheapflights users on 7/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:30 pm
DFW
-
LHR
1 stop17h 35m
Turkish Airlines
Thu 10/86:30 am
LHR
-
DFW
1 stop19h 05m
Turkish Airlines
Deal found 7/25$860
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:35 pm
DFW
-
LHR
1 stop32h 40m
United Airlines
Fri 12/119:30 am
LHR
-
DFW
1 stop34h 55m
United Airlines
Deal found 7/26$861
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:35 pm
DFW
-
LHR
1 stop32h 40m
United Airlines
Mon 11/169:30 am
LHR
-
DFW
1 stop34h 55m
United Airlines
Deal found 7/29$862
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Tue 10/2012:25 pm
DFW
-
LHR
2 stops25h 40m
Multiple Airlines
Tue 10/279:55 am
LHR
-
DFW
2 stops34h 30m
Multiple Airlines
Deal found 7/27$866
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:55 am
DFW
-
LHR
2 stops43h 00m
Multiple Airlines
Mon 9/217:05 am
LHR
-
DFW
2 stops22h 18m
Multiple Airlines
Deal found 7/29$867
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am
DFW
-
LHR
2 stops44h 45m
Turkish Airlines
Mon 11/910:40 pm
LHR
-
DFW
1 stop25h 45m
Turkish Airlines
Deal found 7/26$876
This Icelandair deal was found by Cheapflights users on 7/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:25 pm
DAL
-
LHR
2 stops15h 25m
Multiple Airlines
Tue 11/1712:15 pm
LHR
-
DAL
2 stops16h 35m
Multiple Airlines
Deal found 7/26$966

Find 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 July 30, 2026.

Round-trip from

$816
(United Airlines)

One-way from

$262
(KAYAK)

Popular in

June

Cheapest in

October

Average price

$1,376
From Dallas to London Heathrow
Search Deals
One-way flight from Dallas to London Heathrow
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($343 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 July 30, 2026.
Use the filters below to find and compare flights from Dallas to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 10/13

9:30 pm-9:05 pm

1 stop17h 35m

London Heathrow

Tue 10/20

6:00 pm-7:35 pm

1 stop31h 35m

$907

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 9/13

9:30 pm-9:05 pm

1 stop17h 35m

London Heathrow

Mon 9/21

6:30 pm-7:35 pm

1 stop31h 05m

$946

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 10/3

9:30 pm-9:05 pm

1 stop17h 35m

London Heathrow

Thu 10/15

6:30 am-7:35 pm

1 stop19h 05m

$947

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 11/15

5:15 am-10:15 am

1 stop23h 00m

London Heathrow

Wed 11/18

6:00 pm-2:45 pm

1 stop26h 45m

$987

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 11/1

12:10 pm-7:10 am

1 stop13h 00m

London Heathrow

Wed 11/18

9:10 am-10:45 pm

3 stops19h 35m

$1,001

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 10/9

9:30 pm-9:10 pm

1 stop17h 40m

London Heathrow

Mon 10/12

6:30 am-7:35 pm

1 stop19h 05m

$1,007

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 11/9

2:02 pm-9:00 am

1 stop12h 58m

London Heathrow

Sun 11/15

8:40 am-10:04 pm

2 stops19h 24m

$1,023

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 11/4

6:30 am-6:20 am

2 stops17h 50m

London Heathrow

Sat 11/14

6:30 am-6:01 pm

2 stops17h 31m

$1,027

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 10/12

9:30 pm-4:40 pm

1 stop37h 10m

London Heathrow

Sat 10/17

6:30 pm-7:35 pm

1 stop31h 05m

$1,042

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Mon 11/9

10:29 am-9:00 am

1 stop16h 31m

London Heathrow

Sun 11/15

8:55 am-6:01 pm

1 stop15h 06m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 43 resultsSorted by cheapest first
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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

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

Currently, October is the cheapest month in which you can book a flight from Dallas to London Heathrow Airport (average of $836). Flying from Dallas to London Heathrow Airport in June is currently the most expensive (average of $1,554). 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 July 30, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas to London Heathrow Airport as you normally would.

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 July 30, 2026.

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

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

Airfare is typical for this route at the moment.
Dallas to London Heathrow Airport flights typically cost between $767 and $1,276 in January.
The cheapest round-trip price found within the last 5 days was $816 on United Airlines (Jan 16-Jan 18).

How often are flights from Dallas to London delayed?

About 27% of weekly flights between Dallas and London have experienced delays in the past year, with the average delay time being 163 minutes.

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

Historically, flights departing in the early afternoon 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, American Airlines have had the lowest number of delays on this route, with just 26% of flights being delayed.

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

Booking 65 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.

The best insider tips for Dallas to London Heathrow Airport 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 Dallas to London Heathrow Airport trip
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

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

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 July 30, 2026.
Read through reviews of airlines operating flights from Dallas to London Heathrow Airport, such as Finnair,Turkish Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,427 reviews

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ronald,Sep 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
Finnair
7.6
Good
1,427 reviews
Finnair
7.6
Good
1,427 reviews

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ronald,Sep 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
Turkish Airlines
7.4
Good
4,456 reviews
Finnair
7.6
Good
1,427 reviews

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ronald,Sep 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
American Airlines
7.1
Good
11,848 reviews
Finnair
7.6
Good
1,427 reviews

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ronald,Sep 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
Iberia
7.0
Good
3,261 reviews
Finnair
7.6
Good
1,427 reviews

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ronald,Sep 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
British Airways
6.7
Okay
8,127 reviews
Finnair
7.6
Good
1,427 reviews

Boarding

7.7

Crew

8.2

Food

6.7

Comfort

7.4

Entertainment

6.9

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ronald,Sep 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.

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 17h 35m. Turkish Airlines provides one of the quickest options available for as low as $907. 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 $131. Additional round-trip tickets that might be worth considering are offered by Virgin Atlantic and Delta, with the lowest prices starting at $425 and $548, 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 JetBlue ($181), Aer Lingus ($231), and American Airlines ($378).

  • 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%), Gulf Air (59%), American Airlines( 58%).

  • 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 $3,750, our data indicates the cheapest price to be $373. The most popular route (Dallas/Fort Worth - London Heathrow), is priced around $882.

  • 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, October is the cheapest month in which you can book a flight from Dallas to London Heathrow Airport (average of $836). Flying from Dallas to London Heathrow Airport in June is currently the most expensive (average of $1,554). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$131Average$900FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$425Average$691FlexibilityNo cancel feeOn-time72%
DeltaCheapest$548Average$1,055FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$576Average$880FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$577Average$1,088FlexibilityNo cancel feeOn-time70%
FinnairCheapest$605Average$1,167FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$621Average$1,133FlexibilityNo cancel feeOn-time71%
IberiaCheapest$623Average$1,003FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$628Average$1,086FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$652Average$975FlexibilityNo cancel feeOn-time67%

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