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Cheap flights from Dallas to London from $237

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 10/20. 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

British Airways Logo
5:50 pm - 9:00 amDFW-LHR
9h 10mnonstop
British Airways Logo
8:25 am - 4:20 pmLHR-DFW
13h 55m1 stop
$582British Airways
Find Deal
Mon, Sep 29 - Wed, Oct 15
British Airways Logo
7:10 pm - 2:15 pmDFW-LHR
13h 05m1 stop
British Airways Logo
8:20 am - 4:20 pmLHR-DFW
14h 00m1 stop
$588British Airways
Find Deal
Mon, Oct 13 - Thu, Oct 23
Finnair Logo
9:15 pm - 12:15 pmDFW-LHR
9h 00mnonstop
Finnair Logo
6:10 pm - 3:10 pmLHR-DFW
27h 00m1 stop
$601Finnair
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Tue, Nov 11 - Wed, Nov 26
American Airlines Logo
9:30 pm - 12:45 pmDFW-LHR
9h 15mnonstop
American Airlines Logo
7:40 am - 4:05 pmLHR-DFW
14h 25m1 stop
$605American Airlines
Find Deal
Tue, Sep 2 - Fri, Sep 12
Finnair Logo
3:45 pm - 6:50 amDFW-LHR
9h 05mnonstop
Finnair Logo
6:10 pm - 3:10 pmLHR-DFW
27h 00m1 stop
$606Finnair
Find Deal
Wed, Nov 5 - Thu, Nov 13
American Airlines Logo
3:25 pm - 6:25 amDFW-LHR
9h 00mnonstop
American Airlines Logo
8:50 am - 4:20 pmLHR-DFW
13h 30m1 stop
$609American Airlines
Find Deal
Mon, Oct 6 - Tue, Oct 21
Iberia Logo
5:50 pm - 9:00 amDFW-LHR
9h 10mnonstop
Iberia Logo
10:50 am - 8:10 pmLHR-DFW
15h 20m1 stop
$615Iberia
Find Deal
Mon, Aug 25 - Tue, Sep 2
Iberia Logo
8:56 am - 7:50 amDFW-LHR
16h 54m1 stop
Iberia Logo
10:50 am - 8:10 pmLHR-DFW
15h 20m1 stop
$620Iberia
Find Deal
Mon, Aug 25 - Tue, Sep 2
Scandinavian Airlines Logo
3:56 pm - 4:00 pmDAL-LHR
18h 04m2 stops
Scandinavian Airlines Logo
6:40 am - 11:55 pmLHR-DAL
23h 15m2 stops
$703Scandinavian Airlines
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Mon, Oct 6 - Tue, Oct 21
Scandinavian Airlines Logo
11:59 am - 4:00 pmDAL-LHR
22h 01m2 stops
Scandinavian Airlines Logo
7:30 pm - 9:07 pmLHR-DAL
31h 37m2 stops
$704Scandinavian Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25

American Airlines flights from Dallas to London Heathrow Airport

Our best American Airlines deals on Dallas to London Heathrow Airport flight tickets
American Airlines
Sep 2
DFW9:30 pmDallas/Fort Worth
9h 15m
LHR12:45 pmLondon Heathrow
Sep 12
LHR7:40 amLondon Heathrow
14h 25m
1 stop
DFW4:05 pmDallas/Fort Worth
$605
Find similar
American Airlines
Oct 6
DFW3:25 pmDallas/Fort Worth
9h 00m
LHR6:25 amLondon Heathrow
Oct 21
LHR8:50 amLondon Heathrow
13h 30m
1 stop
DFW4:20 pmDallas/Fort Worth
$609
Find similar
American Airlines
Aug 24
DFW3:40 pmDallas/Fort Worth
11h 25m
1 stop
LHR9:05 amLondon Heathrow
Sep 11
LHR7:40 amLondon Heathrow
14h 30m
1 stop
DFW4:10 pmDallas/Fort Worth
$610
Find similar

KLM flights from Dallas to London Heathrow Airport

Our best KLM deals on Dallas to London Heathrow Airport flight tickets
KLM
Sep 9
DAL6:28 pmDallas Love Field
13h 02m
1 stop
LHR1:30 pmLondon Heathrow
Sep 19
LHR1:05 pmLondon Heathrow
14h 02m
1 stop
DAL9:07 pmDallas Love Field
$742
Find similar
KLM
Sep 14
DAL6:29 pmDallas Love Field
13h 01m
1 stop
LHR1:30 pmLondon Heathrow
Oct 29
LHR8:55 amLondon Heathrow
13h 59m
1 stop
DAL5:54 pmDallas Love Field
$751
Find similar
KLM
Aug 19
DAL11:54 amDallas Love Field
12h 51m
1 stop
LHR6:45 amLondon Heathrow
Aug 26
LHR9:20 amLondon Heathrow
14h 23m
1 stop
DAL5:43 pmDallas Love Field
$760
Find similar

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 August 16, 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

Mon 9/29

5:50 pm-9:00 am

Nonstop9h 10m

London Heathrow

Wed 10/15

8:25 am-4:20 pm

1 stop13h 55m

$582

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 10/13

7:10 pm-2:15 pm

1 stop13h 05m

London Heathrow

Thu 10/23

8:20 am-4:20 pm

1 stop14h 00m

$588

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 11/11

9:15 pm-12:15 pm

Nonstop9h 00m

London Heathrow

Wed 11/26

6:10 pm-3:10 pm

1 stop27h 00m

$601

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 9/2

9:30 pm-12:45 pm

Nonstop9h 15m

London Heathrow

Fri 9/12

7:40 am-4:05 pm

1 stop14h 25m

$605

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 11/5

3:45 pm-6:50 am

Nonstop9h 05m

London Heathrow

Thu 11/13

6:10 pm-3:10 pm

1 stop27h 00m

$606

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 10/6

3:25 pm-6:25 am

Nonstop9h 00m

London Heathrow

Tue 10/21

8:50 am-4:20 pm

1 stop13h 30m

$609

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 8/25

5:50 pm-9:00 am

Nonstop9h 10m

London Heathrow

Tue 9/2

10:50 am-8:10 pm

1 stop15h 20m

$615

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 8/25

8:56 am-7:50 am

1 stop16h 54m

London Heathrow

Tue 9/2

10:50 am-8:10 pm

1 stop15h 20m

$620

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Mon 10/6

3:56 pm-4:00 pm

2 stops18h 04m

London Heathrow

Tue 10/21

6:40 am-11:55 pm

2 stops23h 15m

$703

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Mon 9/22

11:59 am-4:00 pm

2 stops22h 01m

London Heathrow

Thu 9/25

7:30 pm-9:07 pm

2 stops31h 37m

$704

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 typical price of a round-trip flight between Dallas and London Heathrow Airport?

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

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Dallas, with most prices found around $801. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from Dallas to London Heathrow Airport during October average around $805.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $903. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,128.

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 $1,035.

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 $948 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 $853 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

Best Price Found

$237

Fastest flight time

9h 00m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Dallas in the past 72 hours is $237. The best round-trip flight deal from Dallas to London Heathrow Airport found on momondo in the last 72 hours is $582.
The fastest flight from Dallas to London Heathrow Airport takes 9h 00m
Direct flights go from Dallas to London Heathrow Airport every day.
Search flight deals

  • 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 9h 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
2,916 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom $515Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $544Free CancellationRating
7.4
1,469 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $563Free CancellationRating
7.3
3,942 reviews
Search Turkish Airlines flights
DeltaPriceFrom $568Free CancellationRating
8.0
7,985 reviews
Search Delta flights
British AirwaysPriceFrom $576Free CancellationRating
6.6
7,267 reviews
Search British Airways flights
FinnairPriceFrom $633Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
Air CanadaPriceFrom $637Free CancellationRating
7.1
9,966 reviews
Search Air Canada flights
United AirlinesPriceFrom $658Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $668Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near London?

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

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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