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Cheap flights from Dallas to London from $300

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 to London departing on 11/19. 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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0 bags

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Cheap round-trip flights

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Scandinavian Airlines Logo
4:20 pm - 5:40 pmDFW-LHR
19h 20m2 stops
Scandinavian Airlines Logo
10:20 am - 11:28 pmLHR-DFW
19h 08m2 stops
$565Scandinavian Airlines
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Thu, Feb 19 - Mon, Feb 23
Scandinavian Airlines Logo
4:20 pm - 6:30 pmDFW-LHR
20h 10m2 stops
Scandinavian Airlines Logo
7:30 pm - 11:28 pmLHR-DFW
33h 58m2 stops
$580Scandinavian Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
Scandinavian Airlines Logo
3:59 pm - 4:00 pmDAL-LHR
18h 01m2 stops
Scandinavian Airlines Logo
6:40 am - 11:52 pmLHR-DAL
23h 12m2 stops
$580Scandinavian Airlines
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Mon, Nov 17 - Mon, Nov 24
Multiple Airlines Logo
12:20 pm - 6:00 pmDFW-LHR
23h 40m2 stops
Multiple Airlines Logo
6:50 pm - 2:25 pmLHR-DFW
25h 35m2 stops
$590Multiple Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
Multiple Airlines Logo
7:05 am - 6:00 pmDFW-LHR
28h 55m3 stops
Multiple Airlines Logo
6:50 pm - 2:25 pmLHR-DFW
25h 35m2 stops
$596Multiple Airlines
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Mon, Nov 17 - Mon, Nov 24
Air Canada Logo
12:20 pm - 7:10 amDFW-LHR
12h 50m1 stop
Air Canada Logo
6:50 am - 9:39 pmLHR-DFW
20h 49m2 stops
$658Air Canada
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Tue, Nov 18 - Tue, Nov 25
Virgin Atlantic Logo
6:40 pm - 11:40 amDAL-LHR
11h 00m1 stop
Virgin Atlantic Logo
8:55 am - 5:50 pmLHR-DAL
14h 55m1 stop
$710Virgin Atlantic
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Tue, Nov 11 - Tue, Nov 25
Delta Logo
6:00 am - 7:50 amDAL-LHR
19h 50m1 stop
Delta Logo
11:45 am - 11:56 pmLHR-DAL
18h 11m2 stops
$721Delta
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Sun, Nov 23 - Thu, Dec 11
Virgin Atlantic Logo
6:40 pm - 11:40 amDAL-LHR
11h 00m1 stop
Virgin Atlantic Logo
11:30 am - 11:56 pmLHR-DAL
18h 26m2 stops
$727Virgin Atlantic
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Tue, Nov 18 - Wed, Dec 3
Delta Logo
10:11 am - 6:25 amDAL-LHR
14h 14m1 stop
Delta Logo
3:50 pm - 11:52 pmLHR-DAL
14h 02m1 stop
$750Delta
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Tue, Nov 18 - Thu, Nov 27

Air Canada flights from Dallas to London Heathrow Airport

Our best Air Canada deals on Dallas to London Heathrow Airport flight tickets
Air Canada
Nov 18
DFW12:20 pmDallas/Fort Worth
12h 50m
1 stop
LHR7:10 amLondon Heathrow
Nov 25
LHR6:50 amLondon Heathrow
20h 49m
2 stops
DFW9:39 pmDallas/Fort Worth
$658
Find similar
Air Canada
Oct 29
DFW7:05 amDallas/Fort Worth
23h 15m
1 stop
LHR11:20 amLondon Heathrow
Nov 5
LHR1:45 pmLondon Heathrow
37h 47m
2 stops
DFW9:32 pmDallas/Fort Worth
$718
Find similar

Virgin Atlantic flights from Dallas to London Heathrow Airport

Our best Virgin Atlantic deals on Dallas to London Heathrow Airport flight tickets
Virgin Atlantic
Oct 28
DFW1:59 pmDallas/Fort Worth
11h 26m
1 stop
LHR6:25 amLondon Heathrow
Nov 4
LHR6:20 amLondon Heathrow
13h 40m
1 stop
DFW2:00 pmDallas/Fort Worth
$692
Find similar
Virgin Atlantic
Oct 26
DAL6:39 pmDallas Love Field
12h 01m
1 stop
LHR11:40 amLondon Heathrow
Nov 11
LHR12:30 pmLondon Heathrow
14h 19m
1 stop
DAL8:49 pmDallas Love Field
$707
Find similar
Virgin Atlantic
Oct 28
DAL2:14 pmDallas Love Field
11h 11m
1 stop
LHR6:25 amLondon Heathrow
Nov 4
LHR12:30 pmLondon Heathrow
14h 12m
1 stop
DAL8:42 pmDallas Love Field
$709
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momondo Fare Finder

 
Customize your flight search to find flights from Dallas 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 October 23, 2025.
Use the filters below to find and compare flights from Dallas to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 2/19

4:20 pm-5:40 pm

2 stops19h 20m

London Heathrow

Mon 2/23

10:20 am-11:28 pm

2 stops19h 08m

$565

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 2/18

4:20 pm-6:30 pm

2 stops20h 10m

London Heathrow

Sun 2/22

7:30 pm-11:28 pm

2 stops33h 58m

$580

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Mon 11/17

3:59 pm-4:00 pm

2 stops18h 01m

London Heathrow

Mon 11/24

6:40 am-11:52 pm

2 stops23h 12m

$580

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 11/17

12:20 pm-6:00 pm

2 stops23h 40m

London Heathrow

Mon 11/24

6:50 pm-2:25 pm

2 stops25h 35m

$590

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 11/17

7:05 am-6:00 pm

3 stops28h 55m

London Heathrow

Mon 11/24

6:50 pm-2:25 pm

2 stops25h 35m

$596

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 11/18

12:20 pm-7:10 am

1 stop12h 50m

London Heathrow

Tue 11/25

6:50 am-9:39 pm

2 stops20h 49m

$658

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 11/11

6:40 pm-11:40 am

1 stop11h 00m

London Heathrow

Tue 11/25

8:55 am-5:50 pm

1 stop14h 55m

$710

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Sun 11/23

6:00 am-7:50 am

1 stop19h 50m

London Heathrow

Thu 12/11

11:45 am-11:56 pm

2 stops18h 11m

$721

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 11/18

6:40 pm-11:40 am

1 stop11h 00m

London Heathrow

Wed 12/3

11:30 am-11:56 pm

2 stops18h 26m

$727

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 11/18

10:11 am-6:25 am

1 stop14h 14m

London Heathrow

Thu 11/27

3:50 pm-11:52 pm

1 stop14h 02m

$750

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 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, with most prices found around $768. If you’re not able to fly to London Heathrow Airport in September, then October is your next best option. Flight prices from Dallas to London Heathrow Airport during October average around $784.

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 $920. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,168.

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 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 $1,074.

What is the cheapest Dallas to London Heathrow flight route?

Fly from Dallas/Fort Worth to London Heathrow for the best Dallas - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $941 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 for as low as $851 on momondo.

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

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

Cheap Dallas to London Heathrow Airport flight deals and tips

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

Fastest flight time

8h 55m

Direct flights

Every day
The fastest flight from Dallas to London Heathrow Airport takes 8h 55m
Direct flights go from Dallas to London Heathrow Airport every day.
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  • How far is Dallas to London Heathrow by plane?

    Dallas and London Heathrow are 4733.2 mi apart from one another. Typically, this will take 11h 00m by plane in normal conditions.

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

    Prices for flights from Dallas to London Heathrow Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dallas to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Dallas to London Heathrow Airport

Compare and see reviews for airlines that fly from Dallas to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $116Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $544Free CancellationRating
7.4
1,535 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,467 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $563Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
DeltaPriceFrom $568Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Virgin AtlanticPriceFrom $571Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $586Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
FinnairPriceFrom $610Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
United AirlinesPriceFrom $628Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
LufthansaPriceFrom $636Free CancellationRating
6.8
7,514 reviews
Search Lufthansa flights

Traveling to a place near London?

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

Why use momondo?

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

Finding the right flight to London from Dallas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to London.

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

If you are not ready to book a flight from Dallas to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Sat 11/22
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