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$398+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in February or January, 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 February 5, 2026.

This Mytrip deal was found by Cheapflights users on 2/4. 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 3/93:15 pm
LHR
-
DFW
3 stops37h 35m
Multiple Airlines
Mon 3/233:44 pm
DFW
-
LHR
2 stops20h 46m
Multiple Airlines
Deal found 2/4$730
This Mytrip deal was found by Cheapflights users on 2/4. 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 2/233:15 pm
LHR
-
DFW
3 stops38h 35m
Multiple Airlines
Wed 2/257:50 am
DFW
-
LHR
3 stops27h 40m
Multiple Airlines
Deal found 2/4$731
This Trip.com deal was found by Cheapflights users on 2/3. 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 3/66:00 am
LHR
-
DFW
2 stops24h 20m
Multiple Airlines
Wed 3/182:33 pm
DFW
-
LHR
2 stops22h 17m
Multiple Airlines
Deal found 2/3$732
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 3/25:20 pm
LHR
-
DFW
1 stop18h 41m
Multiple Airlines
Mon 3/97:25 am
DFW
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 2/2$733
This Booking.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/116:50 am
LHR
-
DFW
3 stops21h 27m
Multiple Airlines
Tue 3/178:26 pm
DFW
-
LHR
3 stops29h 44m
Multiple Airlines
Deal found 2/2$736
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 2/123:50 pm
LHR
-
DFW
2 stops23h 26m
Multiple Airlines
Mon 2/1611:06 am
DFW
-
LHR
1 stop13h 54m
Multiple Airlines
Deal found 2/2$737
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Fri 3/66:05 pm
LHR
-
DFW
2 stops31h 19m
Multiple Airlines
Tue 3/107:18 am
DFW
-
LHR
3 stops33h 02m
Multiple Airlines
Deal found 2/3$741
This Mytrip deal was found by Cheapflights users on 2/2. 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 3/25:20 pm
LHR
-
DFW
1 stop18h 41m
Multiple Airlines
Mon 3/165:45 am
DFW
-
LHR
1 stop24h 10m
Multiple Airlines
Deal found 2/2$744
This Booking.com deal was found by Cheapflights users on 2/3. 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.
Mon 3/96:40 am
LHR
-
DFW
2 stops17h 44m
Multiple Airlines
Wed 3/186:34 am
DFW
-
LHR
3 stops28h 51m
Multiple Airlines
Deal found 2/3$747
This lol.travel deal was found by Cheapflights users on 2/3. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:40 am
LHR
-
DAL
2 stops21h 05m
Scandinavian Airlines
Mon 3/233:59 pm
DAL
-
LHR
2 stops20h 41m
Scandinavian Airlines
Deal found 2/3$801
This Scandinavian Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:40 am
LHR
-
DAL
2 stops21h 51m
Scandinavian Airlines
Mon 3/93:59 pm
DAL
-
LHR
2 stops20h 41m
Scandinavian Airlines
Deal found 2/2$854
This Scandinavian Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/126:40 am
LHR
-
DAL
2 stops21h 05m
Scandinavian Airlines
Mon 3/233:59 pm
DAL
-
LHR
2 stops20h 41m
Scandinavian Airlines
Deal found 2/4$867

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 February 5, 2026.

Round-trip from

$730
(Mytrip)

One-way from

$398
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$882
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 ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 5, 2026.
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 - DAL

LHRDAL

London Heathrow

Mon 3/9

6:40 am-10:45 pm

2 stops21h 05m

Dallas Love Field

Mon 3/23

12:12 pm-6:30 pm

2 stops25h 18m

$854

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 2/25

6:40 am-9:43 pm

2 stops21h 03m

Dallas/Fort Worth

Tue 3/10

8:00 am-4:25 pm

3 stops27h 25m

$858

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 3/9

7:05 am-12:27 am

3 stops22h 22m

Dallas/Fort Worth

Wed 3/18

8:00 am-6:50 pm

3 stops29h 50m

$861

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 3/2

6:40 am-9:55 pm

2 stops21h 15m

Dallas/Fort Worth

Mon 3/30

7:20 am-5:40 pm

2 stops28h 20m

$901

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 3/2

6:40 am-9:55 pm

3 stops21h 15m

Dallas/Fort Worth

Mon 3/9

4:23 pm-5:40 pm

2 stops20h 17m

$909

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 3/9

8:00 am-7:24 pm

1 stop16h 24m

Dallas/Fort Worth

Sun 3/22

2:33 pm-11:05 am

1 stop15h 32m

$914

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 3/12

6:40 am-10:45 pm

2 stops21h 05m

Dallas Love Field

Mon 3/23

12:12 pm-9:20 am

2 stops40h 08m

$915

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 3/11

7:30 pm-10:45 pm

2 stops32h 15m

Dallas Love Field

Mon 3/23

12:12 pm-6:30 pm

2 stops25h 18m

$915

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sun 2/15

6:40 pm-11:54 pm

2 stops35h 14m

Dallas/Fort Worth

Mon 2/23

3:45 pm-6:30 pm

2 stops20h 45m

$922

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 3/23

7:05 am-12:27 am

3 stops22h 22m

Dallas/Fort Worth

Mon 3/30

7:20 am-5:40 pm

2 stops28h 20m

$953

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 43 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 January 30, 2026.

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 $375). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of $850). 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 February 5, 2026.

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

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 February 5, 2026.

The most flights from LHR to A78 are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

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 149 minutes.

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

Historically, flights departing at night 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?

Monday 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 11% 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
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

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 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 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 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 February 5, 2026.
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
1,357 reviews

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Turkish Airlines
7.3
Good
4,210 reviews
Finnair
7.6
Good
1,357 reviews

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
American Airlines
7.2
Good
11,233 reviews
Finnair
7.6
Good
1,357 reviews

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,104 reviews
Finnair
7.6
Good
1,357 reviews

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,716 reviews
Finnair
7.6
Good
1,357 reviews

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.5

Boarding

7.7

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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 $854, Scandinavian Airlines can have you in Dallas from London Heathrow Airport in 21h 05m. The distance between London Heathrow Airport and Dallas is about 4732 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 American Airlines, from $751, and JetBlue, from $782. Turkish Airlines is 39% 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 Finnair 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 Gulf Air (79%), Malaysia Airlines (79%) or Royal Jordanian (77%) 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 $1,690, our data indicates the cheapest price to be $566. The most popular route (London Heathrow - Dallas/Fort Worth), is priced around $647.

  • 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 $375). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of $850). 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 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$635Average$937FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$751Average$1,185FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$782Average$1,036FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$887Average$1,119FlexibilityNo cancel feeOn-time70%
IberiaCheapest$904Average$1,099FlexibilityNo cancel feeOn-time77%
FinnairCheapest$961Average$1,145FlexibilityNo cancel feeOn-time76%

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