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Cheap flights from Dallas Fort Worth International to London Heathrow

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Compare Dallas Fort Worth International to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Dallas Fort Worth International to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Dallas Fort Worth International to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.
London.$601 per passenger.Departing Thu, Apr 24, returning Wed, Apr 30.Round-trip flight with Spirit Airlines and Aegean Airlines.Outbound indirect flight with Spirit Airlines, departing from Dallas Fort Worth International on Thu, Apr 24, arriving in London Heathrow.Inbound indirect flight with Aegean Airlines, departing from London Heathrow on Wed, Apr 30, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $601, select.
London.$621 per passenger.Departing Thu, Apr 24, returning Tue, May 6.Round-trip flight with Spirit Airlines and Aegean Airlines.Outbound indirect flight with Spirit Airlines, departing from Dallas Fort Worth International on Thu, Apr 24, arriving in London Heathrow.Inbound indirect flight with Aegean Airlines, departing from London Heathrow on Tue, May 6, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $621, select.
London.$621 per passenger.Departing Thu, May 8, returning Wed, May 14.Round-trip flight with Spirit Airlines and Vueling Airlines.Outbound indirect flight with Spirit Airlines, departing from Dallas Fort Worth International on Thu, May 8, arriving in London Heathrow.Inbound indirect flight with Vueling Airlines, departing from London Heathrow on Wed, May 14, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $621, select.
London.$661 per passenger.Departing Thu, Mar 27, returning Sun, Mar 30.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Dallas Fort Worth International on Thu, Mar 27, arriving in London Heathrow.Inbound indirect flight with Delta, departing from London Heathrow on Sun, Mar 30, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $661, select.
London.$661 per passenger.Departing Sun, Feb 1, returning Sun, Feb 15.Round-trip flight with Air France.Outbound indirect flight with Air France, departing from Dallas Fort Worth International on Sun, Feb 1, arriving in London Heathrow.Inbound indirect flight with Air France, departing from London Heathrow on Sun, Feb 15, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $661, select.
London.$665 per passenger.Departing Fri, Oct 24, returning Sun, Nov 9.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Dallas Fort Worth International on Fri, Oct 24, arriving in London Heathrow.Inbound indirect flight with Delta, departing from London Heathrow on Sun, Nov 9, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $665, select.
London.$666 per passenger.Departing Wed, Apr 30, returning Tue, Jun 10.Round-trip flight with Spirit Airlines and Scandinavian Airlines.Outbound indirect flight with Spirit Airlines, departing from Dallas Fort Worth International on Wed, Apr 30, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Tue, Jun 10, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $666, select.
London.$670 per passenger.Departing Tue, May 6, returning Tue, Jun 3.Round-trip flight with Spirit Airlines and British Airways.Outbound indirect flight with Spirit Airlines, departing from Dallas Fort Worth International on Tue, May 6, arriving in London Heathrow.Inbound indirect flight with British Airways, departing from London Heathrow on Tue, Jun 3, arriving in Dallas Fort Worth International.Price includes taxes and charges.From $670, select.

Find the cheapest month to fly from Dallas Fort Worth International to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dallas Fort Worth International to London Heathrow flights are currently cheapest in April.
Mar
from $661
Apr
from $601
May
from $621
Jun
from $817
Jul
from $729
Aug
from $734
Sep
from $700
Oct
from $684
Nov
from $724
Dec
from $675
Jan
from $722
Feb
from $661

Direct flights from Dallas Fort Worth International to London Heathrow

Dallas Fort Worth International to London Heathrow: Alternative routes

Compare routes from Dallas Fort Worth International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Dallas to London: Flight information

The things to know before you go.
Cheapest flight found$601
Cheapest month to flyApril
Average flight time9 hrs, 11 mins
Most popular airlineFinnair
Average flights per week209

Finding cheap flights from Dallas Fort Worth International to London Heathrow: Frequently asked questions

The best price we found for a round-trip flight from Dallas Fort Worth International to London Heathrow is $601. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 11 minutes is the average flight time from Dallas Fort Worth International to London Heathrow.
Finnair, Gulf Air and American Airlines fly direct from Dallas Fort Worth International to London Heathrow.
There are 209 flights per week flying from Dallas Fort Worth International to London Heathrow, as of March 2025.
The cheapest month to fly from Dallas Fort Worth International to London Heathrow is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dallas Fort Worth International Airport to London Heathrow Airport on Thursday, April 24, 2025.
Yes – the average flight time is 9 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and Finnair offer the cheapest flight tickets to London Heathrow.

Flying from Dallas/Fort Worth International Airport (DFW) to London Heathrow Airport (LHR): what you need to know

  • A direct flight from Dallas/Fort Worth International Airport to London Heathrow Airport takes an average of 9 hours 7 minutes. The timezone in London is UTC+0, which makes it 5 hours ahead of Dallas.

  • You can choose from 47 weekly flights from Dallas/Fort Worth International Airport to London Heathrow Airport. The 08:20 departure with American Airlines is the earliest flight out from DFW to LHR. American Airlines operates the latest service of the day at 22:59 if early starts aren't your thing.

  • Flying during a peak month such as July? Public holidays and other popular seasons can result in longer queues at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • British Airways runs direct flights from Dallas/Fort Worth International Airport to London Heathrow Airport. Book with this popular airline, and get ready to check out the sights in London — plus maybe even more of United Kingdom if time allows.

  • If you'd like to break up your flight from Dallas/Fort Worth International Airport to London Heathrow Airport, think about adding a stopover. Simply deselect 'Direct flights only' to find a destination that catches your eye. Popular stopovers on the DFW - LHR route include:

    • Washington Dulles International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

How to find the cheapest flights from Dallas/Fort Worth International Airport (DFW) to London Heathrow Airport (LHR)

  • The lowest price we've found for a one-way ticket from Dallas/Fort Worth International Airport to London Heathrow Airport is $231. For a return flight on this route, the best price is $601. Depending on the availability and when you book, these fares may change.

  • Score cheap tickets from DFW to LHR by booking 1 month ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for tickets from Dallas/Fort Worth International Airport to London Heathrow Airport is September. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Log into your online account or use the app to create a Price Alert. We'll let you know straight away if there's a cheaper deal on this route. It's easy to do, and it'll save you the hassle of looking for cheap tickets from DFW to LHR every day.

  • Play around with filters to find the ideal trip for you. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Dallas/Fort Worth International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Dallas/Fort Worth International Airport (DFW)

  • Traveling from central Dallas to Dallas/Fort Worth International Airport takes around 3 hours and 55 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 32 kilometers in 26 minutes or so, depending on traffic.

  • Got an early flight from Dallas/Fort Worth International Airport to London Heathrow Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near DFW:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to central London takes around 57 minutes in a car. It's approximately 31 kilometers away. See what options are available, such as cabs, car rentals or ride-sharing.

  • It takes roughly 1 hour and 1 minute to get there using public transport.

When to fly to London Heathrow Airport (LHR)

  • July is the most popular month for flights from Dallas/Fort Worth International Airport to London Heathrow Airport. To escape the crowds, go to London in February.

  • Book your flight from Dallas/Fort Worth International Airport to London Heathrow Airport for July if you want to visit London during its warmest month. You can expect temperatures of between 11ºC and 26ºC.

  • Look for cheap tickets from DFW to LHR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

Complete your London trip with hotels and a car rental

  • Once you've secured your cheap ticket to London Heathrow Airport, explore our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your London trip.

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Plan the rest of your trip from Dallas to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.