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Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from C$ 484

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Dallas/Fort Worth to London Heathrow are usually found in October or September, booked 17 days in advance, depart on a Thursday or Monday and return on a Monday

Cheap 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 11 September 2025.

Round-trip from

C$ 726

One-way from

C$ 484

Popular in

June

Cheapest in

October

Average price

C$ 1,111

Good round-trip deal

C$ 2,198 or less
United Airlines
  • United Airlines
  • 4/10-16/10
  • 3 total stops
  • 45h 33m total
  • Dallas to London
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JetBlue
  • JetBlue
  • 11/12
  • 1 total stop
  • 13h 35m total
  • Dallas to London
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Highest demand for flights based on searches. 22% potential increase in price (C$ 519 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 87 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Dallas/Fort Worth to London Heathrow.
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Find flight deals from Dallas/Fort Worth to Heathrow

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 11 September 2025.

Wed 22/1011:28 a.m.DFW - LHR
1 stop17h 42mDelta
Wed 19/116:20 a.m.LHR - DFW
2 stops17h 15mDelta
Deal found 11/9C$ 726
Sun 21/95:29 a.m.DFW - LHR
1 stop19h 16mDelta
Tue 7/109:00 a.m.LHR - DFW
2 stops17h 56mDelta
Deal found 11/9C$ 728
Sun 21/93:06 p.m.DFW - LHR
1 stop16h 04mDelta
Thu 2/106:30 a.m.LHR - DFW
2 stops16h 45mDelta
Deal found 11/9C$ 729
Wed 8/108:20 a.m.DFW - LHR
1 stop18h 55mDelta
Mon 13/105:35 p.m.LHR - DFW
1 stop26h 00mDelta
Deal found 10/9C$ 730
Sun 21/97:55 p.m.DFW - LHR
1 stop11h 35mDelta
Fri 3/101:05 p.m.LHR - DFW
1 stop14h 25mDelta
Deal found 11/9C$ 732
Fri 17/1011:40 a.m.DFW - LHR
2 stops51h 20mUnited Airlines
Wed 29/1011:10 a.m.LHR - DFW
1 stop15h 22mUnited Airlines
Deal found 11/9C$ 736
Mon 10/115:06 p.m.DFW - LHR
1 stop11h 59mUnited Airlines
Wed 19/119:10 a.m.LHR - DFW
3 stops19h 17mUnited Airlines
Deal found 10/9C$ 737
Sat 27/95:25 p.m.DFW - LHR
1 stop31h 30mUnited Airlines
Wed 8/102:05 p.m.LHR - DFW
1 stop13h 38mUnited Airlines
Deal found 10/9C$ 739
Fri 31/109:40 p.m.DFW - LHR
Nonstop9h 00mFinnair
Thu 6/114:15 p.m.LHR - DFW
1 stop28h 55mFinnair
Deal found 10/9C$ 743
Sat 20/97:35 p.m.DFW - LHR
1 stop30h 05mUnited Airlines
Tue 7/101:40 p.m.LHR - DFW
1 stop13h 49mUnited Airlines
Deal found 11/9C$ 744
Fri 17/103:25 p.m.DFW - LHR
Nonstop9h 00mFinnair
Wed 29/106:10 p.m.LHR - DFW
1 stop27h 00mFinnair
Deal found 11/9C$ 746
Fri 24/104:40 p.m.DFW - LHR
1 stop12h 25mFinnair
Tue 4/116:10 p.m.LHR - DFW
1 stop27h 00mFinnair
Deal found 11/9C$ 750

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 11 September 2025.
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

Tue 10/2

3:35 p.m.-9:00 a.m.

1 stop11h 25m

London Heathrow

Tue 17/2

6:20 a.m.-6:01 p.m.

2 stops17h 41m

C$ 732

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 30/11

9:15 p.m.-12:15 p.m.

Nonstop9h 00m

London Heathrow

Sat 6/12

4:15 p.m.-3:10 p.m.

1 stop28h 55m

C$ 743

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 8/1

9:15 p.m.-12:15 p.m.

Nonstop9h 00m

London Heathrow

Tue 13/1

4:15 p.m.-3:10 p.m.

1 stop28h 55m

C$ 744

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 31/10

4:45 p.m.-6:50 a.m.

Nonstop9h 05m

London Heathrow

Thu 6/11

4:15 p.m.-3:10 p.m.

1 stop28h 55m

C$ 744

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 5/3

6:40 p.m.-10:00 a.m.

Nonstop9h 20m

London Heathrow

Wed 11/3

6:10 p.m.-4:10 p.m.

1 stop27h 00m

C$ 744

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 16/10

7:00 a.m.-7:15 a.m.

1 stop18h 15m

London Heathrow

Wed 22/10

6:15 a.m.-1:35 p.m.

1 stop13h 20m

C$ 782

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 9/2

5:19 a.m.-10:15 a.m.

1 stop22h 56m

London Heathrow

Mon 16/2

9:00 a.m.-9:32 p.m.

2 stops42h 32m

C$ 784

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 7/2

9:15 p.m.-12:15 p.m.

Nonstop9h 00m

London Heathrow

Thu 19/2

3:00 p.m.-7:10 p.m.

Nonstop10h 10m

C$ 786

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 6/2

9:15 p.m.-12:15 p.m.

Nonstop9h 00m

London Heathrow

Fri 13/2

3:00 p.m.-7:10 p.m.

Nonstop10h 10m

C$ 786

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 9/2

9:15 p.m.-12:15 p.m.

Nonstop9h 00m

London Heathrow

Sun 15/2

3:00 p.m.-7:10 p.m.

Nonstop10h 10m

C$ 786

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 20 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 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/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 round-trip flight from Dallas/Fort Worth to Heathrow. Price data was last updated on 29 August 2025.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of C$ 560). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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 11 September 2025.

One of the essential ways to save on airfare from Dallas/Fort Worth Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 2% on airfare.

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?

    For as low as C$ 743, Delta can have you in London Heathrow Airport from Dallas/Fort Worth Airport in 9h. Dallas/Fort Worth Airport and London Heathrow Airport are separated by a distance of 7622 km. This flight may include one or multiple stops.

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

    The top 3 most reliable airlines when flying from Dallas/Fort Worth Airport to London Heathrow Airport are Royal Jordanian (82%), Malaysia Airlines (69%) and American Airlines (61%).

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

    Looking at all options, your cheapest flight can be booked for C$ 953. While the most popular route (Dallas/Fort Worth - London Heathrow) can be booked for C$ 1,025 on average, our data indicates C$ 2,223 when flying from Dallas/Fort Worth Airport to London Heathrow Airport.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of C$ 560). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 856). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

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Need flexible booking options for your flight to Heathrow from Dallas/Fort Worth? 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 Dallas/Fort Worth to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Dallas/Fort Worth to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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