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Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from £207

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dallas/Fort Worth to London Heathrow are usually found in October or September, booked 85 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 23 July 2026.

Mon 19/1011:42
DFW
-
LHR
2 stops19h 18m
SWISS
Wed 21/1008:40
LHR
-
DFW
2 stops18h 54m
SWISS
Deal found 20/7£624
Mon 19/1011:34
DFW
-
LHR
1 stop18h 51m
Multiple Airlines
Wed 21/1008:40
LHR
-
DFW
2 stops18h 54m
Multiple Airlines
Deal found 20/7£625
Sat 19/906:45
DFW
-
LHR
2 stops51h 55m
Turkish Airlines
Tue 22/906:30
LHR
-
DFW
1 stop19h 05m
Turkish Airlines
Deal found 23/7£626
Mon 7/1212:10
DFW
-
LHR
2 stops26h 50m
Air Canada
Wed 9/1217:50
LHR
-
DFW
2 stops33h 40m
Air Canada
Deal found 21/7£629
Sun 1/1117:38
DFW
-
LHR
2 stops31h 32m
Air Canada
Wed 4/1106:50
LHR
-
DFW
2 stops20h 40m
Air Canada
Deal found 22/7£630
Mon 19/1012:25
DFW
-
LHR
1 stop15h 35m
Air Canada
Wed 21/1008:40
LHR
-
DFW
2 stops18h 54m
Air Canada
Deal found 18/7£631
Sun 25/1015:35
DFW
-
LHR
2 stops34h 35m
Air Canada
Wed 28/1006:50
LHR
-
DFW
2 stops19h 40m
Air Canada
Deal found 21/7£632
Fri 2/1007:00
DFW
-
LHR
2 stops20h 50m
Multiple Airlines
Sun 4/1006:30
LHR
-
DFW
1 stop19h 05m
Multiple Airlines
Deal found 20/7£634
Fri 23/1020:45
DFW
-
LHR
2 stops43h 15m
United Airlines
Mon 26/1011:05
LHR
-
DFW
2 stops40h 34m
United Airlines
Deal found 18/7£635
Sun 25/1018:43
DFW
-
LHR
1 stop33h 57m
Multiple Airlines
Wed 28/1006:50
LHR
-
DFW
2 stops19h 40m
Multiple Airlines
Deal found 22/7£636

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 23 July 2026.

Round-trip from

£617

One-way from

£207

Popular in

June

Cheapest in

October

Average price

£1,028

Good round-trip deal

£829 or less

Good one-way deal

£306 or less
United Airlines
  • United Airlines
  • 15/1-18/1
  • 3 total stops
  • 86h 03m total
  • Dallas to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 24/10
  • 2 total stops
  • 32h 26m total
  • Dallas to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£201 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Dallas/Fort Worth to London Heathrow.
Search Deals
Price to beat on a one-way flight from Dallas/Fort Worth to London Heathrow.
Search Deals

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 23 July 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 15/1

19:27-12:00

1 stop34h 33m

London Heathrow

Mon 18/1

11:05-08:35

2 stops51h 30m

£617

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 26/9

07:00-21:05

2 stops32h 05m

London Heathrow

Fri 2/10

18:30-19:35

1 stop31h 05m

£700

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 13/9

21:30-21:05

1 stop17h 35m

London Heathrow

Mon 21/9

18:30-19:35

1 stop31h 05m

£710

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 9/10

21:30-11:40

1 stop32h 10m

London Heathrow

Mon 12/10

11:20-22:28

2 stops41h 08m

£721

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 1/10

21:30-11:40

1 stop32h 10m

London Heathrow

Thu 22/10

18:00-22:28

2 stops34h 28m

£748

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 17/8

12:25-10:00

1 stop15h 35m

London Heathrow

Thu 27/8

06:55-19:46

2 stops18h 51m

£798

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 3/9

21:30-15:10

1 stop35h 40m

London Heathrow

Mon 21/9

13:25-22:40

2 stops39h 15m

£815

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 6/9

12:00-09:15

1 stop15h 15m

London Heathrow

Sun 13/9

08:40-22:28

2 stops19h 48m

£837

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 3/9

21:30-15:10

1 stop35h 40m

London Heathrow

Sun 6/9

22:40-19:35

1 stop26h 55m

£838
Fastest return journey

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 13/10

12:25-06:30

1 stop12h 05m

London Heathrow

Sun 1/11

13:00-21:30

1 stop14h 30m

£855

Flights are sorted by cheapest return flights first.

Deals found on 21/7

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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?

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 84 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, October is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £622). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £1,174). 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 23 July 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.

How much does it cost for a return flight from Dallas/Fort Worth Airport to London Heathrow Airport?

Airfare is below average for this route at the moment.

Dallas/Fort Worth Airport to London Heathrow Airport flights typically cost between £716 and £1,078 in January.
The cheapest return price found within the last 5 days was £617 on United Airlines (15 Jan–18 Jan).

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 23 July 2026.
Get a feel of what it's like to fly with Finnair,American Airlines, andAir Canada 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.
Finnair
7.6
Good
1,423 reviews
Check prices

Comfort

7.4

Overall

7.6

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
Finnair
7.6
Good
1,423 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Comfort

7.4

Overall

7.6

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
American Airlines
7.1
Good
11,834 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Comfort

7.4

Overall

7.6

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
Air Canada
7.1
Good
11,373 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Comfort

7.4

Overall

7.6

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
Iberia
7.0
Good
3,258 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Comfort

7.4

Overall

7.6

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.
British Airways
6.7
Okay
8,129 reviews
Finnair
7.6
Good
1,423 reviews
Check prices

Comfort

7.4

Overall

7.6

Entertainment

6.9

Crew

8.2

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 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/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 32h 05m. 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 £387 on this airline. Additional options worth looking into are Finnair and American Airlines, starting at £463 and £478 round-trip. You may be able to fly from Dallas/Fort Worth Airport to London Heathrow Airport for 50% 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 Iberia, which is currently one of the cheapest options available, starting at £306. British Airways flights start at £308 while deals on American Airlines start at £315 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: Royal Jordanian (71%), Gulf Air (59%), American Airlines( 58%).

  • 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 £236. On average you can expect to pay £2,930. The most popular route, (Dallas/Fort Worth - London Heathrow), can usually be booked for £668.

  • 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, October is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £622). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £1,174). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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.
Dallas/Fort Worth to Gatwick flights
Dallas/Fort Worth to Stansted flights
Dallas/Fort Worth to London City flights
Dallas/Fort Worth to Luton flights
Dallas/Fort Worth to Southend flights

Top 5 airlines flying from Dallas/Fort Worth to Heathrow

Discover the top 5 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 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£387Average£809FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£463Average£907FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£478Average£853FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£580Average£957FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£714Average£1,248FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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