Cheap flights from Dallas to London from $299

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 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Dallas to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:20 pm - 6:30 pmDFW-LHR
21h 10m2 stops
Scandinavian Airlines Logo
7:05 am - 9:24 pmLHR-DFW
20h 19m2 stops
$719Scandinavian Airlines
Find Deal
Wed, Mar 25 - Thu, Apr 2
Multiple Airlines Logo
12:20 pm - 8:05 pmDFW-LHR
25h 45m3 stops
Multiple Airlines Logo
7:30 pm - 9:39 pmLHR-DFW
31h 09m3 stops
$721Multiple Airlines
Find Deal
Wed, Mar 4 - Thu, Mar 12
Scandinavian Airlines Logo
7:35 am - 4:25 pmDFW-LHR
26h 50m3 stops
Scandinavian Airlines Logo
6:40 am - 9:43 pmLHR-DFW
21h 03m2 stops
$722Scandinavian Airlines
Find Deal
Tue, Jan 13 - Wed, Jan 28
Multiple Airlines Logo
5:25 am - 10:50 amDFW-LHR
23h 25m2 stops
Multiple Airlines Logo
12:15 pm - 11:25 amLHR-DFW
29h 10m3 stops
$723Multiple Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Multiple Airlines Logo
9:37 am - 6:20 amDFW-LHR
14h 43m1 stop
Multiple Airlines Logo
12:40 pm - 12:20 amLHR-DFW
17h 40m1 stop
$724Multiple Airlines
Find Deal
Sun, Jan 11 - Tue, Jan 27
Multiple Airlines Logo
2:19 pm - 6:30 amDFW-LHR
34h 11m3 stops
Multiple Airlines Logo
6:00 am - 12:20 amLHR-DFW
24h 20m3 stops
$725Multiple Airlines
Find Deal
Sat, Feb 28 - Sat, Mar 7
Scandinavian Airlines Logo
7:30 am - 5:40 pmDFW-LHR
28h 10m3 stops
Scandinavian Airlines Logo
7:05 am - 9:57 pmLHR-DFW
20h 52m3 stops
$726Scandinavian Airlines
Find Deal
Tue, Feb 17 - Thu, Feb 26
KLM Logo
2:17 pm - 9:00 amDAL-LHR
12h 43m1 stop
KLM Logo
8:55 am - 5:51 pmLHR-DAL
14h 56m1 stop
$797KLM
Find Deal
Wed, Jan 21 - Wed, Jan 28
Virgin Atlantic Logo
6:38 pm - 7:00 amDAL-LHR
30h 22m2 stops
Virgin Atlantic Logo
11:30 am - 5:47 pmLHR-DAL
36h 17m2 stops
$803Virgin Atlantic
Find Deal
Tue, Jan 13 - Tue, Jan 20
Virgin Atlantic Logo
2:17 pm - 9:00 amDAL-LHR
12h 43m1 stop
Virgin Atlantic Logo
8:25 pm - 5:47 pmLHR-DAL
27h 22m2 stops
$807Virgin Atlantic
Find Deal
Tue, Jan 13 - Tue, Jan 20

JetBlue flights from Dallas to London Heathrow Airport

Our best JetBlue deals on Dallas to London Heathrow Airport flight tickets
JetBlue
Jan 30
DFW11:30 amDallas/Fort Worth
13h 25m
1 stop
LHR6:55 amLondon Heathrow
Feb 18
LHR9:20 amLondon Heathrow
15h 00m
1 stop
DFW6:20 pmDallas/Fort Worth
JetBlue
Feb 18
DFW7:16 pmDallas/Fort Worth
29h 39m
1 stop
LHR6:55 amLondon Heathrow
Feb 24
LHR9:20 amLondon Heathrow
15h 00m
1 stop
DFW6:20 pmDallas/Fort Worth
JetBlue
Mar 31
DFW11:00 amDallas/Fort Worth
13h 30m
1 stop
LHR6:30 amLondon Heathrow
Apr 6
LHR8:25 amLondon Heathrow
31h 46m
1 stop
DFW10:11 amDallas/Fort Worth

Turkish Airlines flights from Dallas to London Heathrow Airport

Our best Turkish Airlines deals on Dallas to London Heathrow Airport flight tickets
Turkish Airlines
Mar 31
DFW9:30 pmDallas/Fort Worth
30h 05m
1 stop
LHR9:35 amLondon Heathrow
Apr 7
LHR6:30 amLondon Heathrow
19h 05m
1 stop
DFW7:35 pmDallas/Fort Worth
Turkish Airlines
Mar 4
DFW2:45 pmDallas/Fort Worth
17h 25m
1 stop
LHR2:10 pmLondon Heathrow
Mar 12
LHR3:15 pmLondon Heathrow
33h 25m
1 stop
DFW7:40 pmDallas/Fort Worth
Turkish Airlines
Jan 10
DFW8:35 pmDallas/Fort Worth
18h 30m
1 stop
LHR9:05 pmLondon Heathrow
Jan 28
LHR10:35 pmLondon Heathrow
26h 05m
1 stop
DFW6:40 pmDallas/Fort Worth

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 November 21, 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

Wed 3/25

4:20 pm-6:30 pm

2 stops21h 10m

London Heathrow

Thu 4/2

7:05 am-9:24 pm

2 stops20h 19m

$719

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 3/4

12:20 pm-8:05 pm

3 stops25h 45m

London Heathrow

Thu 3/12

7:30 pm-9:39 pm

3 stops31h 09m

$721

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 1/13

7:35 am-4:25 pm

3 stops26h 50m

London Heathrow

Wed 1/28

6:40 am-9:43 pm

2 stops21h 03m

$722

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 12/2

5:25 am-10:50 am

2 stops23h 25m

London Heathrow

Sat 12/6

12:15 pm-11:25 am

3 stops29h 10m

$723

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 1/11

9:37 am-6:20 am

1 stop14h 43m

London Heathrow

Tue 1/27

12:40 pm-12:20 am

1 stop17h 40m

$724

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 2/28

2:19 pm-6:30 am

3 stops34h 11m

London Heathrow

Sat 3/7

6:00 am-12:20 am

3 stops24h 20m

$725

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 2/17

7:30 am-5:40 pm

3 stops28h 10m

London Heathrow

Thu 2/26

7:05 am-9:57 pm

3 stops20h 52m

$726

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 1/21

2:17 pm-9:00 am

1 stop12h 43m

London Heathrow

Wed 1/28

8:55 am-5:51 pm

1 stop14h 56m

$797

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 1/13

6:38 pm-7:00 am

2 stops30h 22m

London Heathrow

Tue 1/20

11:30 am-5:47 pm

2 stops36h 17m

$803

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 1/13

2:17 pm-9:00 am

1 stop12h 43m

London Heathrow

Tue 1/20

8:25 pm-5:47 pm

2 stops27h 22m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $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 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 $930. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,178.

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 $1,080.

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 $936 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 $840 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.
  • 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 05m 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
2,902 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $544Free CancellationRating
7.4
1,584 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,533 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $563Free CancellationRating
7.3
4,044 reviews
Search Turkish Airlines flights
DeltaPriceFrom $568Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Virgin AtlanticPriceFrom $571Free CancellationRating
7.5
674 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $590Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
FinnairPriceFrom $609Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
United AirlinesPriceFrom $628Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
LufthansaPriceFrom $636Free CancellationRating
6.8
7,579 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
Swindon

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 12/21
Sun 12/28

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo