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Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from C$ 481

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
11 Jan — 18 Jan1
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 17 days in advance, depart on a Monday or Tuesday and return on a Monday

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 December 2025.

Wed 31/1212:05 p.m.DFW - LHR
1 stop12h 15mUnited Airlines
Fri 9/11:25 p.m.LHR - DFW
1 stop14h 14mUnited Airlines
Deal found 10/12C$ 1,152
Wed 31/123:59 p.m.DFW - LHR
1 stop12h 16mUnited Airlines
Sat 10/11:25 p.m.LHR - DFW
1 stop14h 14mUnited Airlines
Deal found 10/12C$ 1,222
Wed 31/127:00 a.m.DFW - LHR
2 stops20h 40mUnited Airlines
Wed 7/16:00 p.m.LHR - DFW
1 stop33h 32mUnited Airlines
Deal found 10/12C$ 1,238
Fri 26/121:58 p.m.DFW - LHR
1 stop11h 32mUnited Airlines
Wed 7/16:00 p.m.LHR - DFW
1 stop33h 32mUnited Airlines
Deal found 10/12C$ 1,397
Wed 31/1212:20 p.m.DFW - LHR
1 stop12h 50mUnited Airlines
Tue 6/111:10 a.m.LHR - DFW
2 stops40h 22mUnited Airlines
Deal found 10/12C$ 1,522
Mon 29/123:59 p.m.DFW - LHR
1 stop12h 16mUnited Airlines
Thu 8/11:25 p.m.LHR - DFW
1 stop14h 14mUnited Airlines
Deal found 10/12C$ 1,553
Mon 29/124:20 p.m.DFW - LHR
2 stops15h 30mDelta
Thu 8/112:30 p.m.LHR - DFW
1 stop15h 29mDelta
Deal found 10/12C$ 1,575
Sat 13/1211:34 a.m.DFW - LHR
2 stops28h 06mScandinavian Airlines
Mon 15/126:40 a.m.LHR - DFW
2 stops22h 34mScandinavian Airlines
Deal found 9/12C$ 1,580
Wed 31/122:37 p.m.DFW - LHR
2 stops16h 13mLufthansa
Sat 10/110:25 a.m.LHR - DFW
1 stop13h 56mLufthansa
Deal found 10/12C$ 1,589
Wed 31/122:37 p.m.DFW - LHR
2 stops16h 13mLufthansa
Thu 8/110:25 a.m.LHR - DFW
1 stop13h 56mLufthansa
Deal found 10/12C$ 1,596
Thu 25/1210:40 a.m.DFW - LHR
1 stop14h 25mDelta
Fri 9/18:40 a.m.LHR - DFW
2 stops19h 03mDelta
Deal found 10/12C$ 1,614

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 December 2025.

Round-trip from

C$ 972

One-way from

C$ 481

Popular in

June

Cheapest in

September

Average price

C$ 1,427
Scandinavian Airlines
  • Scandinavian Airlines
  • 6/5-20/5
  • 4 total stops
  • 48h 01m total
  • Dallas to London
Search Deals
JetBlue
  • JetBlue
  • 11/1
  • 1 total stop
  • 13h 26m total
  • Dallas to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 514 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 12 December 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

Wed 21/1

7:35 a.m.-4:25 p.m.

3 stops26h 50m

London Heathrow

Sun 25/1

10:20 a.m.-11:54 p.m.

2 stops19h 34m

C$ 1,040

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 20/4

11:00 a.m.-6:30 a.m.

1 stop13h 30m

London Heathrow

Sat 2/5

8:25 a.m.-6:07 p.m.

1 stop15h 42m

C$ 1,040

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 14/1

7:35 a.m.-2:35 p.m.

3 stops25h 00m

London Heathrow

Wed 21/1

6:40 a.m.-9:43 p.m.

2 stops21h 03m

C$ 1,067

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 27/4

8:45 a.m.-6:50 p.m.

2 stops28h 05m

London Heathrow

Thu 30/4

6:40 a.m.-12:09 a.m.

3 stops23h 29m

C$ 1,081

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 22/4

11:00 a.m.-6:30 a.m.

1 stop13h 30m

London Heathrow

Sat 2/5

8:25 a.m.-6:07 p.m.

1 stop15h 42m

C$ 1,127

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 27/4

11:00 a.m.-6:30 a.m.

1 stop13h 30m

London Heathrow

Thu 30/4

8:25 a.m.-6:07 p.m.

1 stop15h 42m

C$ 1,152

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 10/1

7:40 a.m.-6:30 p.m.

2 stops28h 50m

London Heathrow

Mon 12/1

6:40 a.m.-10:11 p.m.

2 stops21h 31m

C$ 1,175

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 10/2

7:25 a.m.-2:35 p.m.

3 stops25h 10m

London Heathrow

Sun 15/2

10:20 a.m.-11:54 p.m.

2 stops19h 34m

C$ 1,178

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 12/3

11:31 a.m.-6:25 a.m.

1 stop13h 54m

London Heathrow

Tue 24/3

6:20 a.m.-3:00 p.m.

1 stop13h 40m

C$ 1,204

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 21/1

3:45 p.m.-9:00 a.m.

1 stop11h 15m

London Heathrow

Sun 25/1

11:45 a.m.-12:27 a.m.

2 stops18h 42m

C$ 1,204

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 5 December 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, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of C$ 554). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of C$ 1,289). 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 December 2025.

When flying from Dallas/Fort Worth Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Dallas/Fort Worth Airport to London Heathrow Airport?

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$ 1,127, Scandinavian Airlines can have you in London Heathrow Airport from Dallas/Fort Worth Airport in 13h 30m. 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 (69%), Malaysia Airlines (57%) and Gulf Air (52%).

  • 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, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of C$ 554). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of C$ 1,289). 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
Sutton
Twickenham
Slough
Marlow
Milton Keynes
Leamington Spa
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Gatwick
Hounslow

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

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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