Find flights
Deals
When to book
FAQs

Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from C$ 546

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
26 Feb — 5 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 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 27 January 2026.

Tue 24/24:00 p.m.
DFW
-
LHR
2 stops19h 40m
Scandinavian Airlines
Tue 3/36:40 a.m.
LHR
-
DFW
2 stops21h 03m
Scandinavian Airlines
Deal found 26/1C$ 969
Mon 23/34:23 p.m.
DFW
-
LHR
2 stops35h 57m
Scandinavian Airlines
Mon 30/37:30 p.m.
LHR
-
DFW
2 stops32h 27m
Scandinavian Airlines
Deal found 27/1C$ 990
Mon 30/38:00 a.m.
DFW
-
LHR
2 stops28h 50m
Scandinavian Airlines
Mon 13/47:05 a.m.
LHR
-
DFW
2 stops20h 04m
Scandinavian Airlines
Deal found 27/1C$ 994
Fri 13/28:35 p.m.
DFW
-
LHR
1 stop37h 35m
Multiple Airlines
Sun 15/210:35 p.m.
LHR
-
DFW
2 stops25h 47m
Multiple Airlines
Deal found 27/1C$ 1,001
Tue 17/24:00 p.m.
DFW
-
LHR
2 stops19h 40m
Scandinavian Airlines
Thu 12/36:40 a.m.
LHR
-
DFW
2 stops22h 47m
Scandinavian Airlines
Deal found 26/1C$ 1,011
Wed 22/48:00 a.m.
DFW
-
LHR
2 stops19h 35m
Scandinavian Airlines
Wed 29/46:40 a.m.
LHR
-
DFW
2 stops23h 04m
Scandinavian Airlines
Deal found 26/1C$ 1,012
Tue 24/38:00 a.m.
DFW
-
LHR
3 stops27h 00m
Scandinavian Airlines
Tue 31/36:40 a.m.
LHR
-
DFW
2 stops21h 17m
Scandinavian Airlines
Deal found 26/1C$ 1,017
Wed 25/28:05 a.m.
DFW
-
LHR
3 stops26h 20m
Scandinavian Airlines
Wed 4/36:40 a.m.
LHR
-
DFW
2 stops21h 03m
Scandinavian Airlines
Deal found 27/1C$ 1,020
Tue 17/28:05 a.m.
DFW
-
LHR
3 stops25h 55m
Scandinavian Airlines
Tue 3/36:40 a.m.
LHR
-
DFW
2 stops21h 03m
Scandinavian Airlines
Deal found 27/1C$ 1,021
Tue 22/98:45 a.m.
DFW
-
LHR
2 stops28h 05m
Scandinavian Airlines
Mon 28/99:05 p.m.
LHR
-
DFW
3 stops29h 56m
Scandinavian Airlines
Deal found 27/1C$ 1,026

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 27 January 2026.

Round-trip from

C$ 969

One-way from

C$ 546

Popular in

June

Cheapest in

September

Average price

C$ 1,124

Good round-trip deal

C$ 2,118 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 24/2-3/3
  • 4 total stops
  • 40h 43m total
  • Dallas to London
Search Deals
JetBlue
  • JetBlue
  • 1/2
  • 1 total stop
  • 13h 26m total
  • Dallas to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 496 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Dallas/Fort Worth to London Heathrow.
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 27 January 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

Tue 5/5

4:20 p.m.-11:20 a.m.

1 stop13h 00m

London Heathrow

Tue 19/5

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

1 stop13h 20m

C$ 1,147

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 31/3

4:23 p.m.-11:20 a.m.

1 stop12h 57m

London Heathrow

Tue 7/4

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

1 stop13h 20m

C$ 1,147

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 29/3

4:23 p.m.-11:20 a.m.

1 stop12h 57m

London Heathrow

Wed 8/4

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

1 stop13h 20m

C$ 1,147

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 6/4

4:43 p.m.-8:10 p.m.

1 stop21h 27m

London Heathrow

Tue 28/4

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

1 stop13h 20m

C$ 1,153

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 5/5

7:40 p.m.-10:55 a.m.

Nonstop9h 15m

London Heathrow

Tue 19/5

12:55 p.m.-5:05 p.m.

Nonstop10h 10m

C$ 1,176

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 28/4

7:40 p.m.-10:55 a.m.

Nonstop9h 15m

London Heathrow

Fri 8/5

12:55 p.m.-5:05 p.m.

Nonstop10h 10m

C$ 1,180

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 22/4

4:40 p.m.-7:55 a.m.

Nonstop9h 15m

London Heathrow

Sat 2/5

4:10 p.m.-3:05 p.m.

1 stop28h 55m

C$ 1,209

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 7/5

1:18 p.m.-7:10 a.m.

1 stop11h 52m

London Heathrow

Tue 12/5

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

1 stop13h 20m

C$ 1,221

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 22/4

12:20 p.m.-6:30 a.m.

1 stop12h 10m

London Heathrow

Sat 2/5

7:25 a.m.-8:02 p.m.

2 stops18h 37m

C$ 1,221

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 28/4

7:40 a.m.-6:45 a.m.

1 stop17h 05m

London Heathrow

Sun 10/5

6:30 a.m.-5:11 p.m.

2 stops16h 41m

C$ 1,230

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 23 results
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 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 23 January 2026.

Booking 16 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$ 550). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of C$ 1,280). 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 27 January 2026.

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$ 1,115, Scandinavian Airlines can have you in London Heathrow Airport from Dallas/Fort Worth Airport in 9h 10m. 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 Gulf Air (60%), Malaysia Airlines (57%) and Royal Jordanian (56%).

  • 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$ 2,118. While the most popular route (Dallas/Fort Worth - London Heathrow) can be booked for C$ 889 on average, our data indicates C$ 2,125 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, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of C$ 550). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of C$ 1,280). 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
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Leamington Spa
Romford
Bedford
Watford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights makes it easy to find Dallas/Fort Worth to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dallas/Fort Worth to Heathrow for you. Better yet — we are completely free to use.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.