Cheap flights from London Heathrow Airport to Dallas/Fort Worth Airport from £344

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
26 Aug — 2 Sep1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Dallas/Fort Worth are usually found in January or February, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Dallas/Fort Worth (DFW). 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 21 August 2025.

Round-trip from

£524

One-way from

£344

Popular in

July

Cheapest in

January

Average price

£921

Good round-trip deal

£673 or less

Good one-way deal

£716 or less
2/10-7/10
  • 2/10-7/10
  • 2 total stops
  • 28h 54m total
  • London to Dallas
9/10
  • 9/10
  • 2 total stops
  • 22h 43m total
  • London to Dallas
Highest demand for flights based on searches. 15% potential increase in price (£103 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London Heathrow to Dallas/Fort Worth.
Price to beat on a one-way flight from London Heathrow to Dallas/Fort Worth.

Find flight deals from Heathrow to Dallas/Fort Worth

Cheapest flights from Heathrow to Dallas/Fort Worth
Explore the most affordable flight options available from Heathrow to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.

Thu 2/1011:10LHR - DFW
1 stop13h 54mMultiple Airlines
Tue 7/1012:30DFW - LHR
1 stop15h 00mMultiple Airlines
Deal found 19/8£524
Wed 19/1109:20LHR - DFW
1 stop31h 37mJetBlue
Wed 10/1211:20DFW - LHR
1 stop13h 35mJetBlue
Deal found 20/8£526
Fri 12/907:40LHR - DFW
2 stops28h 10mMultiple Airlines
Wed 17/914:54DFW - LHR
2 stops22h 01mMultiple Airlines
Deal found 18/8£527
Wed 22/1009:35LHR - DFW
1 stop21h 22mMultiple Airlines
Sun 26/1007:02DFW - LHR
2 stops19h 48mMultiple Airlines
Deal found 20/8£528
Wed 17/908:25LHR - DFW
1 stop33h 24mIcelandair
Wed 1/1012:45DFW - LHR
2 stops38h 45mIcelandair
Deal found 19/8£529
Mon 17/1109:20LHR - DFW
1 stop32h 45mJetBlue
Tue 13/111:25DFW - LHR
1 stop13h 30mJetBlue
Deal found 19/8£534
Tue 23/908:25LHR - DFW
1 stop33h 24mJetBlue
Tue 17/211:00DFW - LHR
1 stop13h 55mJetBlue
Deal found 18/8£535
Thu 4/907:40LHR - DFW
2 stops28h 10mMultiple Airlines
Mon 8/914:54DFW - LHR
2 stops23h 26mMultiple Airlines
Deal found 19/8£536
Thu 11/908:50LHR - DFW
3 stops21h 09mMultiple Airlines
Thu 18/910:25DFW - LHR
3 stops16h 40mMultiple Airlines
Deal found 20/8£537
Thu 4/915:05LHR - DFW
2 stops44h 45mMultiple Airlines
Wed 17/914:25DFW - LHR
1 stop15h 00mMultiple Airlines
Deal found 20/8£537
Mon 15/908:25LHR - DFW
1 stop33h 24mIcelandair
Mon 22/912:45DFW - LHR
2 stops26h 00mIcelandair
Deal found 18/8£538

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Dallas/Fort Worth 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 858,174 searches. Data last updated 21 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Dallas/Fort Worth Airport that are best for you.

Fly from

Heathrow

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 9/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Tue 16/9

12:45-20:45

2 stops26h 00m

£537

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 30/10

18:05-00:09

3 stops35h 04m

Dallas/Fort Worth

Tue 4/11

20:42-14:35

3 stops35h 53m

£546

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 9/9

10:20-05:50

2 stops25h 30m

Dallas/Fort Worth

Tue 16/9

10:37-10:05

1 stop17h 28m

£546

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 17/9

09:30-10:04

2 stops54h 34m

Dallas/Fort Worth

Sat 20/9

09:00-06:20

2 stops39h 20m

£547

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 18/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Tue 30/9

12:45-09:30

2 stops38h 45m

£547

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 12/11

07:25-10:35

2 stops33h 10m

Dallas/Fort Worth

Sat 22/11

18:45-06:55

1 stop30h 10m

£548

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 10/9

11:20-19:04

2 stops37h 44m

Dallas/Fort Worth

Sat 27/9

14:25-09:30

1 stop13h 05m

£549

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 17/9

06:00-22:17

2 stops22h 17m

Dallas/Fort Worth

Sat 20/9

14:25-09:30

1 stop13h 05m

£560

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 9/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Tue 23/9

12:45-09:30

2 stops38h 45m

£563

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 18/9

13:45-17:57

3 stops34h 12m

Dallas/Fort Worth

Thu 9/10

09:05-22:55

2 stops31h 50m

£565

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 23 results
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Best time to book a flight from Heathrow to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Heathrow with our price prediction graph.
Estimated return 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/Fort Worth Airport

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Dallas/Fort Worth. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Dallas/Fort Worth Airport, you should look to book at least 45 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/Fort Worth Airport?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas/Fort Worth Airport (average of £737). Flying from London Heathrow Airport to Dallas/Fort Worth Airport in July is currently the most expensive (average of £1,076). 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/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 August 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Dallas/Fort Worth Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Dallas/Fort Worth. Price data was last updated on 17 August 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Dallas/Fort Worth Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. 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/Fort Worth. Reviews last updated 21 August 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Dallas/Fort Worth Airport, such as Finnair, Scandinavian Airlines, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Dallas/Fort Worth. 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/Fort Worth Airport?

    Icelandair and United Airlines can get you from London Heathrow Airport to Dallas/Fort Worth Airport in just under 33h 24m. Your travel time can differ by up to 21h 10m. There are 4736 mi between London Heathrow Airport and Dallas/Fort Worth Airport. This flight may include one or multiple stops.

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

    Flying on Lufthansa is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at £429. Additional return tickets that might be worth considering are offered by Icelandair and JetBlue, with the lowest prices starting at £442 and £454, respectively. Lufthansa is currently priced 42% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Dallas/Fort Worth Airport consider choosing Malaysia Airlines (89%), American Airlines (68%) or Iberia (68%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay £1,709 for a flight from London Heathrow Airport to Dallas/Fort Worth Airport. The cheapest flight overall is £522 while the most popular route, (London Heathrow - Dallas/Fort Worth) is currently priced at £488.

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

    Yes. In addition to deals on Heathrow to Dallas/Fort Worth flights, Cheapflights offers holiday packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Dallas/Fort Worth 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/Fort Worth Airport?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas/Fort Worth Airport (average of £737). Flying from London Heathrow Airport to Dallas/Fort Worth Airport in July is currently the most expensive (average of £1,076). 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

Travelling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Arlington
Denton
Plano
Granbury
Frisco
Garland
Grapevine
Richardson

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Fly from Heathrow to Dallas/Fort Worth on these airlines

Choose from the following airlines for your flight from Heathrow to Dallas/Fort Worth. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2025.

Top 10 airlines flying from Heathrow to Dallas/Fort Worth

Discover the top 10 airlines that operate flights from Heathrow to Dallas/Fort Worth. 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 858,174 searches. Data last updated 21 August 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£429Average£564FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£442Average£640FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£454Average£598FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£460Average£784FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£471Average£715FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£481Average£612FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£496Average£740FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IberiaCheapest£543Average£828FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£552Average£877FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£567Average£687FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Can Cheapflights find flights from Heathrow to Dallas/Fort Worth with no change fees?

Need flexible booking options for your flight to Dallas/Fort Worth from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Dallas/Fort Worth become cheaper?

Of course! You can now track prices for flights from Heathrow to Dallas/Fort Worth and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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