Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from £238

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dallas/Fort Worth to London Heathrow are usually found in September or October, booked 16 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Dallas/Fort Worth to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Dallas/Fort Worth to Heathrow
Explore the most affordable flight options available from Dallas/Fort Worth to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 February 2026.

Thu 26/209:37
DFW
-
LHR
2 stops16h 53m
Multiple Airlines
Tue 3/313:25
LHR
-
DFW
2 stops16h 55m
Multiple Airlines
Deal found 8/2£491
Mon 2/309:37
DFW
-
LHR
2 stops16h 53m
Multiple Airlines
Wed 11/309:00
LHR
-
DFW
3 stops20h 20m
Multiple Airlines
Deal found 8/2£499
Wed 18/207:39
DFW
-
LHR
2 stops17h 31m
Multiple Airlines
Thu 5/313:25
LHR
-
DFW
2 stops16h 55m
Multiple Airlines
Deal found 10/2£500
Wed 4/307:39
DFW
-
LHR
2 stops21h 41m
Multiple Airlines
Sun 15/318:00
LHR
-
DFW
3 stops34h 59m
Multiple Airlines
Deal found 9/2£501
Thu 26/209:37
DFW
-
LHR
1 stop16h 33m
Multiple Airlines
Mon 2/308:20
LHR
-
DFW
1 stop22h 00m
Multiple Airlines
Deal found 10/2£502
Wed 11/307:39
DFW
-
LHR
2 stops18h 31m
Multiple Airlines
Tue 17/311:10
LHR
-
DFW
2 stops17h 49m
Multiple Airlines
Deal found 10/2£504
Wed 18/207:39
DFW
-
LHR
2 stops17h 31m
Multiple Airlines
Tue 24/206:00
LHR
-
DFW
3 stops23h 50m
Multiple Airlines
Deal found 10/2£505
Wed 25/214:24
DFW
-
LHR
3 stops34h 06m
Multiple Airlines
Tue 3/313:25
LHR
-
DFW
2 stops16h 55m
Multiple Airlines
Deal found 10/2£506
Tue 24/208:05
DFW
-
LHR
2 stops19h 15m
Scandinavian Airlines
Sat 28/206:40
LHR
-
DFW
2 stops21h 31m
Scandinavian Airlines
Deal found 10/2£508
Mon 2/321:07
DFW
-
LHR
3 stops31h 43m
Multiple Airlines
Tue 17/312:15
LHR
-
DFW
3 stops30h 58m
Multiple Airlines
Deal found 9/2£509
Wed 11/307:39
DFW
-
LHR
2 stops18h 31m
Multiple Airlines
Wed 18/311:10
LHR
-
DFW
2 stops17h 49m
Multiple Airlines
Deal found 8/2£510

Find flight deals from Dallas/Fort Worth to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) 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 12 February 2026.

Round-trip from

£491

One-way from

£238

Popular in

June

Cheapest in

September

Average price

£615

Good round-trip deal

£535 or less

Good one-way deal

£131 or less
26/2-3/3
  • 26/2-3/3
  • 4 total stops
  • 33h 48m total
  • Dallas to London
7/4
  • 7/4
  • 2 total stops
  • 36h 17m total
  • Dallas to London
Highest demand for flights based on searches. 21% potential increase in price (£133 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Dallas/Fort Worth to London Heathrow.
Price to beat on a one-way flight from Dallas/Fort Worth to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dallas/Fort Worth 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 858,174 searches. Data last updated 12 February 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to London Heathrow Airport that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Heathrow

Route

Depart

Return

Price

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 6/5

11:17-18:30

2 stops25h 13m

London Heathrow

Tue 12/5

07:05-21:04

2 stops19h 59m

£566

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 4/5

20:55-12:10

Nonstop9h 15m

London Heathrow

Mon 18/5

16:10-15:05

1 stop28h 55m

£609

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 20/3

05:20-09:20

2 stops23h 00m

London Heathrow

Fri 27/3

18:00-23:59

2 stops34h 59m

£614

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 9/3

05:15-10:15

1 stop24h 00m

London Heathrow

Thu 19/3

11:10-14:57

1 stop32h 47m

£619

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 9/8

11:15-06:45

1 stop13h 30m

London Heathrow

Tue 1/9

06:30-17:46

2 stops17h 16m

£620

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 3/5

12:00-10:25

2 stops16h 25m

London Heathrow

Wed 13/5

07:25-20:02

2 stops18h 37m

£622

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 10/3

16:23-09:00

1 stop11h 37m

London Heathrow

Thu 19/3

12:30-22:06

1 stop14h 36m

£623

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 8/3

12:00-07:10

1 stop14h 10m

London Heathrow

Mon 16/3

15:30-15:25

1 stop28h 55m

£624

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 10/3

07:00-06:20

2 stops18h 20m

London Heathrow

Wed 18/3

13:25-22:05

1 stop13h 40m

£625

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 7/3

15:45-20:35

2 stops22h 50m

London Heathrow

Mon 16/3

15:30-15:25

1 stop28h 55m

£627

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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

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

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

Use this chart to determine the optimal time to book a return flight from Dallas/Fort Worth to Heathrow. Price data was last updated on 6 February 2026.

The price you pay for your flight from Dallas/Fort Worth Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £294). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £671). 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/Fort Worth 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 12 February 2026.

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

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 12 February 2026.
Get a feel of what it's like to fly with Finnair, American Airlines, andIberia from Dallas/Fort Worth Airport to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Comfort

7.4

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Comfort

7.4

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Comfort

7.4

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Comfort

7.4

Entertainment

6.9

Overall

7.6

Food

6.7

Boarding

7.7

Crew

8.2

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

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

    Departing from Dallas/Fort Worth Airport to London Heathrow Airport will take you 9h 15m. The distance between Dallas/Fort Worth Airport and London Heathrow Airport is about 4736 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Our cheapest airline available from Dallas/Fort Worth Airport to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as £450 on this airline. Additional options worth looking into are Finnair and American Airlines, starting at £453 and £467 round-trip. You may be able to fly from Dallas/Fort Worth Airport to London Heathrow Airport for 34% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £216. British Airways flights start at £287 while deals on American Airlines start at £304 one-way.

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

    Before booking your flight to London Heathrow Airport from Dallas/Fort Worth Airport, check out the most reliable airlines to get you to your destination on time: Gulf Air (58%), Malaysia Airlines (56%), Royal Jordanian( 56%).

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

    The cheapest flight price from Dallas/Fort Worth Airport to London Heathrow Airport is £126. On average you can expect to pay £1,936. The most popular route, (Dallas/Fort Worth - London Heathrow), can usually be booked for £538.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £294). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £671). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dallas/Fort Worth to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Dallas/Fort Worth to Heathrow

Discover the top 4 airlines that operate flights from Dallas/Fort Worth 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 858,174 searches. Data last updated 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£450Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£453Average£769FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£467Average£815FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£551Average£652FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dallas/Fort Worth to Heathrow?

When you search for this flight from Dallas/Fort Worth to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dallas/Fort Worth to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Dallas/Fort Worth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dallas/Fort Worth to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Dallas/Fort Worth to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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