Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from C$ 488
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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
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 Wednesday and return on a Friday
Find flight deals from Dallas/Fort Worth to Heathrow
Cheapest flights from Dallas/Fort Worth to HeathrowExplore 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 28 October 2025.
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 28 October 2025.
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 28 October 2025.
Round-trip from | C$ 841 |
|---|---|
One-way from | C$ 488 |
Popular in | June |
Cheapest in | September |
Average price | C$ 1,097 |
Cheapflights Fare Finder
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
Fly to
Route
Depart
Return
Price
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Tue 18/11
12:20 p.m.-7:10 a.m.
1 stop12h 50m
London Heathrow
Mon 24/11
12:05 p.m.-9:39 p.m.
2 stops39h 34m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Tue 3/2
4:45 p.m.-12:05 p.m.
1 stop13h 20m
London Heathrow
Tue 24/2
6:10 p.m.-3:10 p.m.
1 stop27h 00m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 4/2
3:45 p.m.-9:00 a.m.
1 stop11h 15m
London Heathrow
Tue 17/2
6:20 a.m.-2:00 p.m.
1 stop13h 40m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 19/11
12:07 p.m.-6:20 a.m.
1 stop12h 13m
London Heathrow
Tue 25/11
6:30 a.m.-2:25 p.m.
1 stop13h 55m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Mon 8/12
9:15 p.m.-12:15 p.m.
Nonstop9h 00m
London Heathrow
Wed 24/12
3:00 p.m.-7:10 p.m.
Nonstop10h 10m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 3/12
1:37 p.m.-8:45 a.m.
1 stop13h 08m
London Heathrow
Fri 19/12
12:30 p.m.-10:09 p.m.
1 stop15h 39m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Tue 25/11
9:15 p.m.-12:15 p.m.
Nonstop9h 00m
London Heathrow
Fri 5/12
3:00 p.m.-7:10 p.m.
Nonstop10h 10m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Sun 30/11
4:55 p.m.-8:40 p.m.
1 stop21h 45m
London Heathrow
Sat 6/12
6:10 p.m.-3:10 p.m.
1 stop27h 00m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 21/1
8:35 p.m.-11:40 a.m.
Nonstop9h 05m
London Heathrow
Sun 25/1
6:10 p.m.-3:10 p.m.
1 stop27h 00m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Fri 9/1
4:00 p.m.-9:00 a.m.
1 stop11h 00m
London Heathrow
Tue 20/1
6:20 a.m.-1:50 p.m.
1 stop13h 30m
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.
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?
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$ 562). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of C$ 1,326). 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?
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 often are flights from Dallas to London delayed?
About 19% of weekly flights between Dallas and London have experienced delays in the past year, with the average delay time being 165 minutes.
What is the most punctual flight time for Dallas to London flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dallas to London flights?
Over the past year, Royal Jordanian has had the lowest number of delays on this route, with just 12% of flights being delayed.
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.
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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?
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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.