Cheap flights from Dallas/Fort Worth Airport to London from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas/Fort Worth Airport to London departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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United Airlines Logo
3:45 pm - 8:35 pmDFW-LHR
46h 50m2 stops
United Airlines Logo
8:30 am - 3:25 pmLHR-DFW
35h 55m1 stop
$728United Airlines
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Fri, Mar 6 - Sun, Mar 15
Air Canada Logo
12:15 pm - 10:00 amDFW-LHR
15h 45m1 stop
Air Canada Logo
5:40 pm - 1:36 pmLHR-DFW
25h 56m2 stops
$729Air Canada
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Fri, May 1 - Fri, May 8
United Airlines Logo
7:05 am - 6:30 amDFW-LHR
17h 25m2 stops
United Airlines Logo
1:40 pm - 9:24 pmLHR-DFW
37h 44m2 stops
$730United Airlines
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Thu, Apr 9 - Mon, Apr 13
Scandinavian Airlines Logo
7:20 am - 9:20 amDFW-LHR
20h 00m2 stops
Scandinavian Airlines Logo
10:20 am - 11:31 pmLHR-DFW
19h 11m2 stops
$731Scandinavian Airlines
Find Deal
Thu, Apr 9 - Mon, Apr 13
Iberia Logo
6:50 pm - 10:00 amDFW-LHR
9h 10mnonstop
Iberia Logo
7:30 am - 5:00 pmLHR-DFW
15h 30m1 stop
$732Iberia
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Mon, Dec 15 - Thu, Jan 15
Air Canada Logo
2:37 pm - 6:30 amDFW-LHR
33h 53m2 stops
Air Canada Logo
1:25 pm - 9:39 pmLHR-DFW
14h 14m1 stop
$733Air Canada
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Mon, Dec 29 - Mon, Jan 12
Multiple Airlines Logo
2:18 pm - 7:50 amDFW-LHR
11h 32m1 stop
Multiple Airlines Logo
6:20 am - 1:50 pmLHR-DFW
13h 30m1 stop
$734Multiple Airlines
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Mon, Dec 15 - Thu, Jan 15
British Airways Logo
10:15 pm - 12:15 pmDFW-LHR
9h 00mnonstop
British Airways Logo
1:00 pm - 5:10 pmLHR-DFW
10h 10mnonstop
$735British Airways
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Thu, Mar 19 - Tue, Apr 21
Multiple Airlines Logo
5:15 am - 11:20 amDFW-LHR
24h 05m3 stops
Multiple Airlines Logo
1:25 pm - 12:20 amLHR-DFW
16h 55m2 stops
$736Multiple Airlines
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Sun, Feb 1 - Sun, Feb 8
Finnair Logo
10:59 pm - 2:25 pmDFW-LHR
9h 26mnonstop
Finnair Logo
6:10 pm - 3:05 pmLHR-DFW
26h 55m1 stop
$737Finnair
Find Deal
Fri, Apr 17 - Sat, Apr 25

United Airlines flights from Dallas/Fort Worth Airport to London Heathrow Airport

Our best United Airlines deals on Dallas/Fort Worth Airport to London Heathrow Airport flight tickets
United Airlines
Mar 6
DFW3:45 pmDallas/Fort Worth
46h 50m
2 stops
LHR8:35 pmLondon Heathrow
Mar 15
LHR8:30 amLondon Heathrow
35h 55m
1 stop
DFW3:25 pmDallas/Fort Worth
United Airlines
Apr 9
DFW7:05 amDallas/Fort Worth
17h 25m
2 stops
LHR6:30 amLondon Heathrow
Apr 13
LHR1:40 pmLondon Heathrow
37h 44m
2 stops
DFW9:24 pmDallas/Fort Worth
United Airlines
Mar 12
DFW5:15 amDallas/Fort Worth
21h 15m
1 stop
LHR7:30 amLondon Heathrow
Mar 19
LHR6:30 amLondon Heathrow
13h 55m
1 stop
DFW3:25 pmDallas/Fort Worth

Air Canada flights from Dallas/Fort Worth Airport to London Heathrow Airport

Our best Air Canada deals on Dallas/Fort Worth Airport to London Heathrow Airport flight tickets
Air Canada
May 1
DFW12:15 pmDallas/Fort Worth
15h 45m
1 stop
LHR10:00 amLondon Heathrow
May 8
LHR5:40 pmLondon Heathrow
25h 56m
2 stops
DFW1:36 pmDallas/Fort Worth
Air Canada
Dec 29
DFW2:37 pmDallas/Fort Worth
33h 53m
2 stops
LHR6:30 amLondon Heathrow
Jan 12
LHR1:25 pmLondon Heathrow
14h 14m
1 stop
DFW9:39 pmDallas/Fort Worth
Air Canada
Dec 29
DFW2:37 pmDallas/Fort Worth
33h 53m
2 stops
LHR6:30 amLondon Heathrow
Jan 10
LHR11:10 amLondon Heathrow
16h 22m
1 stop
DFW9:32 pmDallas/Fort Worth

momondo Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth Airport to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated December 1, 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

Fly to

Route

Depart

Return

Price

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 3/6

3:45 pm-8:35 pm

2 stops46h 50m

London Heathrow

Sun 3/15

8:30 am-3:25 pm

1 stop35h 55m

$728

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 5/1

12:15 pm-10:00 am

1 stop15h 45m

London Heathrow

Fri 5/8

5:40 pm-1:36 pm

2 stops25h 56m

$729

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 4/9

7:05 am-6:30 am

2 stops17h 25m

London Heathrow

Mon 4/13

1:40 pm-9:24 pm

2 stops37h 44m

$730

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 4/9

7:20 am-9:20 am

2 stops20h 00m

London Heathrow

Mon 4/13

10:20 am-11:31 pm

2 stops19h 11m

$731

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 12/15

6:50 pm-10:00 am

Nonstop9h 10m

London Heathrow

Thu 1/15

7:30 am-5:00 pm

1 stop15h 30m

$732

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 12/29

2:37 pm-6:30 am

2 stops33h 53m

London Heathrow

Mon 1/12

1:25 pm-9:39 pm

1 stop14h 14m

$733

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 12/15

2:18 pm-7:50 am

1 stop11h 32m

London Heathrow

Thu 1/15

6:20 am-1:50 pm

1 stop13h 30m

$734

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 3/19

10:15 pm-12:15 pm

Nonstop9h 00m

London Heathrow

Tue 4/21

1:00 pm-5:10 pm

Nonstop10h 10m

$735

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 2/1

5:15 am-11:20 am

3 stops24h 05m

London Heathrow

Sun 2/8

1:25 pm-12:20 am

2 stops16h 55m

$736

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 4/17

10:59 pm-2:25 pm

Nonstop9h 26m

London Heathrow

Sat 4/25

6:10 pm-3:05 pm

1 stop26h 55m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Dallas/Fort Worth Airport, with most prices found around $771. If you’re not able to fly to London Heathrow Airport in September, then October is your next best option. Flight prices from Dallas/Fort Worth Airport to London Heathrow Airport during October average around $781.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $949. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,188.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Dallas/Fort Worth Airport to London Heathrow Airport at noon for as low as $870. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,098.

What is the cheapest Dallas/Fort Worth to London Heathrow flight route?

Fly from Dallas/Fort Worth to London Heathrow for the best Dallas/Fort Worth - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $939 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dallas/Fort Worth Airport for as low as $840 on momondo.

What cabin class options are available on Dallas/Fort Worth to London Heathrow flights?

There are 4 cabin classes available to choose from on Dallas/Fort Worth to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dallas/Fort Worth Airport to London Heathrow Airport flights?

You could potentially save up to 15% on your flight if you consider stops on a Dallas/Fort Worth Airport to London Heathrow Airport flight.

How have Dallas/Fort Worth Airport to London Heathrow Airport flight prices changed over time?

As of December 2025, prices for Dallas/Fort Worth Airport to London Heathrow Airport flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Dallas/Fort Worth Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dallas/Fort Worth Airport to London Heathrow Airport (DFW to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to London Heathrow Airport

Best Price Found

$501

Fastest flight time

9h 00m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Dallas/Fort Worth Airport in the past 72 hours is $501. The best round-trip flight deal from Dallas/Fort Worth Airport to London Heathrow Airport found on momondo in the last 72 hours is $921.
The fastest flight from Dallas/Fort Worth Airport to London Heathrow Airport takes 9h 00m
Direct flights go from Dallas/Fort Worth Airport to London Heathrow Airport every day.
  • How far is Dallas/Fort Worth to London Heathrow by plane?

    There are 4736.3 mi between Dallas/Fort Worth and London Heathrow. Flights usually cover this in 8h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Dallas/Fort Worth Airport to London Heathrow Airport?

    Prices for flights from Dallas/Fort Worth Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Dallas/Fort Worth Airport to London Heathrow Airport?

  • How old do you have to be to fly from Dallas/Fort Worth Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dallas/Fort Worth Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Dallas/Fort Worth Airport to London Heathrow Airport?

  • What is the most popular airline from Dallas/Fort Worth Airport to London Heathrow Airport?

Best airlines flying from Dallas/Fort Worth Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $116Free CancellationRating
7.2
2,904 reviews
Search JetBlue flights
British AirwaysPriceFrom $548Free CancellationRating
6.7
7,549 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $563Free CancellationRating
7.3
4,071 reviews
Search Turkish Airlines flights
DeltaPriceFrom $568Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Virgin AtlanticPriceFrom $571Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $581Free CancellationRating
7.4
1,591 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $586Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
FinnairPriceFrom $609Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
United AirlinesPriceFrom $628Free CancellationRating
7.4
9,062 reviews
Search United Airlines flights
LufthansaPriceFrom $636Free CancellationRating
6.8
7,600 reviews
Search Lufthansa flights
  • Delta Flights From Dallas/Fort Worth Airport to London Heathrow Airport

    Delta flight deals from Dallas/Fort Worth Airport to London Heathrow Airport start from $568 round-trip. Over the 1 Delta flight for this route in a normal week, average airfare is usually $894 round-trip - but some users have found much cheaper deals with momondo.

  • Finnair Flights From Dallas/Fort Worth Airport to London Heathrow Airport

    Another popular option for Dallas/Fort Worth Airport to London Heathrow Airport flights is Finnair (7.6/10, 1,334 ratings). Finnair flies from Dallas/Fort Worth Airport to London Heathrow Airport around 31 times per week, with deals starting from $609 round-trip and rising to an average price of around $921.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Romford
Watford
Ilford
Swindon
Cobham

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to London?

It is quick and easy to find Dallas to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Dallas to London with flexible booking policies on momondo?

Flights from Dallas to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dallas to London?

Once you have performed a search for Dallas to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dallas to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dallas to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Wed 12/31
Wed 1/7

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