$338 Cheap Flights from Dallas (DFW) to London (LHR)

View $338 flight on Sat, Aug 9, 2025Opens in a new window

Popular airlines from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)

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Cheap Flights from Dallas to London (DFW-LHR)

Prices were available within the past 7 days and start at $338 for one-way flights and $590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Sep 26 - Sat, Oct 4
DFW
Dallas
LHR
London
$590 Roundtrip, found 3 hours ago
$590
Roundtrip
found 3 hours ago
Select British Airways flight, departing Fri, Sep 26 from Dallas to London, returning Sat, Oct 4, priced at $590 found 3 hours ago
British Airways
Fri, Sep 26 - Sat, Oct 4
DFW
Dallas
LHR
London
$595 Roundtrip, found 3 hours ago
$595
Roundtrip
found 3 hours ago
Select British Airways flight, departing Fri, Sep 26 from Dallas to London, returning Sat, Oct 4, priced at $595 found 3 hours ago
American Airlines
Wed, Dec 3 - Wed, Dec 24
DFW
Dallas
LHR
London
$605 Roundtrip, found 4 hours ago
$605
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Dallas to London, returning Wed, Dec 24, priced at $605 found 4 hours ago
Iberia
Fri, Sep 26 - Sat, Oct 4
DFW
Dallas
LHR
London
$616 Roundtrip, found 3 hours ago
$616
Roundtrip
found 3 hours ago
Select Iberia flight, departing Fri, Sep 26 from Dallas to London, returning Sat, Oct 4, priced at $616 found 3 hours ago
Virgin Atlantic
Tue, Aug 26 - Tue, Sep 9
DFW
Dallas
LHR
London
$635 Roundtrip, found 1 hour ago
$635
Roundtrip
found 1 hour ago
Select Virgin Atlantic flight, departing Tue, Aug 26 from Dallas to London, returning Tue, Sep 9, priced at $635 found 1 hour ago
Delta
Tue, Aug 26 - Tue, Sep 9
DFW
Dallas
LHR
London
$635 Roundtrip, found 1 hour ago
$635
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Aug 26 from Dallas to London, returning Tue, Sep 9, priced at $635 found 1 hour ago
Air Canada
Wed, Aug 27 - Fri, Sep 5
DFW
Dallas
LHR
London
$638 Roundtrip, found 1 hour ago
$638
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Wed, Aug 27 from Dallas to London, returning Fri, Sep 5, priced at $638 found 1 hour ago
Virgin Atlantic
Sun, Aug 3 - Tue, Aug 19
DAL
Dallas
LHR
London
$653 Roundtrip, just found
$653
Roundtrip
just found
Select Virgin Atlantic flight, departing Sun, Aug 3 from Dallas to London, returning Tue, Aug 19, priced at $653 just found
United
Mon, Aug 11 - Wed, Aug 20
DFW
Dallas
LHR
London
$653 Roundtrip, found 1 hour ago
$653
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Aug 11 from Dallas to London, returning Wed, Aug 20, priced at $653 found 1 hour ago
Lufthansa
Tue, Aug 19 - Thu, Sep 4
DFW
Dallas
LHR
London
$653 Roundtrip, found 2 hours ago
$653
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Tue, Aug 19 from Dallas to London, returning Thu, Sep 4, priced at $653 found 2 hours ago

Find the cheapest month to fly from Dallas (DFW) to London (LHR)

October is typically the cheapest month to fly

From $484 - $1,179 per traveler.

Graph displaying average flight prices per month

Flights from Dallas (DFW) to London (LHR)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$502
Distance
4739 mi
Average flight time
15 hours 35 mins

Dallas to London Flights

The cheapest times to fly from Dallas to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dallas to London are during the month of September. You can find some of the cheapest flights from Dallas to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dallas to London

Sunday is one of the best days to book for cheap flights from Dallas to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dallas to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dallas to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $338 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dallas to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dallas to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR) cost?
You can pick up cheap return flights starting from $639 from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Iberia flight leaving DFW on August 4 2025 and touching down at LHR. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from DFW to LHR?
The cheapest flights from DFW to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
Catch a direct flight with American Airlines and travel straight from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR).
What is the cheapest airline that flies from DFW to LHR?
Journey from DFW to LHR with British Airways. This airline currently offers the cheapest one-way ticket for this route, starting at $414. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DFW on September 29 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
With an average of 3 nonstop flights that operate from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR) each day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
More people fly between DFW and LHR at 6 PM than at any other point in the day. Looking for a quieter experience? Consider flying outside peak hours and you're likely to save on your ticket as well.
What day of the week has the most flights from DFW to LHR?
Thursday offers the most flights from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
The first flight of the day jetting off from Dallas-Fort Worth Intl. Airport (DFW) is at around 3:20PM UTC-6. Catch this flight and you'll arrive at Heathrow Airport (LHR) at approximately 6:20AM UTC+0. The overall travel time is 9h.
How long does it take to fly from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
The average flight duration from DFW to LHR is 9 hours and 3 minutes, covering a total distance of 4,700 mi.
What is the best time to fly from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
To avoid potential delays on the Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Dallas-Fort Worth Intl. Airport (DFW)?
If you've booked a direct flight from Dallas-Fort Worth Intl. Airport (DFW) to London, Heathrow Airport (LHR) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR) last-minute?
Booking your ticket from DFW to LHR shortly before your trip is typically more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a DFW to LHR flight and hotel package?
Compared with arranging flights and hotels separately, booking a DFW to LHR flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Dallas-Fort Worth Intl. Airport (DFW) to Heathrow Airport (LHR)?
Typically, you can reschedule or cancel your DFW to LHR flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.