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Cheap flights from London Heathrow Airport to Dallas from £334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Dallas departing on 20/10. 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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Find the cheapest flights from London Heathrow Airport to Dallas

Cheap return flights

Logo
06:00 - 09:48LHR-DFW
32h 48m2 stops
Logo
07:35 - 21:40DFW-LHR
32h 05m3 stops
£519
Find Deal
Mon, 27 Oct - Mon, 10 Nov
Logo
13:00 - 00:57LHR-DFW
17h 57m1 stop
Logo
07:19 - 20:35DFW-LHR
32h 16m2 stops
£522
Find Deal
Fri, 24 Oct - Sat, 1 Nov
Icelandair Logo
08:25 - 11:58LHR-DFW
33h 33m1 stop
Icelandair Logo
12:55 - 20:45DFW-LHR
49h 50m2 stops
£522Icelandair
Find Deal
Tue, 7 Oct - Sat, 18 Oct
Icelandair Logo
08:25 - 11:49LHR-DFW
33h 24m1 stop
Icelandair Logo
12:45 - 20:45DFW-LHR
26h 00m2 stops
£530Icelandair
Find Deal
Tue, 9 Sep - Tue, 23 Sep
JetBlue Logo
08:25 - 11:49LHR-DFW
33h 24m1 stop
JetBlue Logo
11:00 - 06:55DFW-LHR
13h 55m1 stop
£533JetBlue
Find Deal
Tue, 23 Sep - Tue, 17 Feb
JetBlue Logo
09:20 - 18:38LHR-DFW
15h 18m1 stop
JetBlue Logo
19:33 - 06:55DFW-LHR
29h 22m1 stop
£546JetBlue
Find Deal
Thu, 8 Jan - Sat, 17 Jan
Scandinavian Airlines Logo
18:40 - 23:55LHR-DFW
35h 15m2 stops
Scandinavian Airlines Logo
07:10 - 09:35DFW-LHR
20h 25m2 stops
£564Scandinavian Airlines
Find Deal
Mon, 1 Sep - Sun, 7 Sep
Scandinavian Airlines Logo
07:05 - 21:02LHR-DFW
19h 57m2 stops
Scandinavian Airlines Logo
07:00 - 09:20DFW-LHR
20h 20m2 stops
£566Scandinavian Airlines
Find Deal
Thu, 18 Sep - Tue, 30 Sep
Virgin Atlantic Logo
20:25 - 22:36LHR-DAL
32h 11m2 stops
Virgin Atlantic Logo
15:45 - 09:00DAL-LHR
11h 15m1 stop
£672Virgin Atlantic
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Mon, 12 Jan - Mon, 9 Feb
Virgin Atlantic Logo
11:45 - 23:49LHR-DAL
18h 04m2 stops
Virgin Atlantic Logo
08:45 - 07:15DAL-LHR
16h 30m1 stop
£675Virgin Atlantic
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Tue, 16 Sep - Tue, 23 Sep

Icelandair flights from London Heathrow Airport to Dallas

Our best Icelandair deals on London Heathrow Airport to Dallas flight tickets
Icelandair
7 Oct
LHR08:25London Heathrow
33h 33m
1 stop
DFW11:58Dallas/Fort Worth
18 Oct
DFW12:55Dallas/Fort Worth
49h 50m
2 stops
LHR20:45London Heathrow
£522
Find similar
Icelandair
9 Sept
LHR08:25London Heathrow
33h 24m
1 stop
DFW11:49Dallas/Fort Worth
23 Sept
DFW12:45Dallas/Fort Worth
26h 00m
2 stops
LHR20:45London Heathrow
£530
Find similar
Icelandair
17 Sept
LHR08:25London Heathrow
33h 24m
1 stop
DFW11:49Dallas/Fort Worth
1 Oct
DFW12:45Dallas/Fort Worth
38h 45m
2 stops
LHR09:30London Heathrow
£533
Find similar

Scandinavian Airlines flights from London Heathrow Airport to Dallas

Our best Scandinavian Airlines deals on London Heathrow Airport to Dallas flight tickets
Scandinavian Airlines
1 Sept
LHR18:40London Heathrow
35h 15m
2 stops
DFW23:55Dallas/Fort Worth
7 Sept
DFW07:10Dallas/Fort Worth
20h 25m
2 stops
LHR09:35London Heathrow
£564
Find similar
Scandinavian Airlines
18 Sept
LHR07:05London Heathrow
19h 57m
2 stops
DFW21:02Dallas/Fort Worth
30 Sept
DFW07:00Dallas/Fort Worth
20h 20m
2 stops
LHR09:20London Heathrow
£566
Find similar
Scandinavian Airlines
16 Sept
LHR06:40London Heathrow
23h 09m
2 stops
DAL23:49Dallas Love Field
23 Sept
DAL15:52Dallas Love Field
20h 38m
2 stops
LHR18:30London Heathrow
£574
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Dallas 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 279,928 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 27/10

06:00-09:48

2 stops32h 48m

Dallas/Fort Worth

Mon 10/11

07:35-21:40

3 stops32h 05m

£519

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 24/10

13:00-00:57

1 stop17h 57m

Dallas/Fort Worth

Sat 1/11

07:19-20:35

2 stops32h 16m

£522

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 7/10

08:25-11:58

1 stop33h 33m

Dallas/Fort Worth

Sat 18/10

12:55-20:45

2 stops49h 50m

£522

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 9/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Tue 23/9

12:45-20:45

2 stops26h 00m

£530

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 23/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Tue 17/2

11:00-06:55

1 stop13h 55m

£533

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 8/1

09:20-18:38

1 stop15h 18m

Dallas/Fort Worth

Sat 17/1

19:33-06:55

1 stop29h 22m

£546

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 1/9

18:40-23:55

2 stops35h 15m

Dallas/Fort Worth

Sun 7/9

07:10-09:35

2 stops20h 25m

£564

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 18/9

07:05-21:02

2 stops19h 57m

Dallas/Fort Worth

Tue 30/9

07:00-09:20

2 stops20h 20m

£566

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 12/1

20:25-22:36

2 stops32h 11m

Dallas Love Field

Mon 9/2

15:45-09:00

1 stop11h 15m

£672

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Tue 16/9

11:45-23:49

2 stops18h 04m

Dallas Love Field

Tue 23/9

08:45-07:15

1 stop16h 30m

£675

Flights are sorted by cheapest return flights first.

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

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

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 London Heathrow Airport and Dallas?

What is the cheapest month to fly to Dallas?

In general, January is the cheapest month to fly from London Heathrow Airport to Dallas. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £622. If you are unable to visit Dallas during the month of January, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £634.

What is the cheapest day to depart on your flight to Dallas?

According to our data, Wednesday is the cheapest day to fly to Dallas from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £687. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London Heathrow Airport to Dallas on a Friday will generally be more expensive and average around £753. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dallas?

In the evening is the cheapest time of day to fly from London Heathrow Airport to Dallas when you can find flight prices for as low as £577. Flying to Dallas in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around £774 per ticket.

What is the cheapest London Heathrow to Dallas flight route?

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

How far in advance should I book a flight to Dallas?

You are more likely to see cheaper flights to Dallas from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around £744 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from London Heathrow Airport for as low as £658 on momondo.

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

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

Cheap London Heathrow Airport to Dallas flight deals and tips

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

Best price found

£334

Fastest flight time

12h 59m

Direct flights

Every day

Airports in Dallas

2 airports
The best one-way flight to Dallas from London Heathrow Airport in the past 72 hours is £334. The best return flight deal from London Heathrow Airport to Dallas found on momondo in the last 72 hours is £519.
The fastest flight from London Heathrow Airport to Dallas takes 12h 59m
Direct flights go from London Heathrow Airport to Dallas every day.
There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)
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  • How far is London Heathrow to Dallas by plane?

    London Heathrow and Dallas are 4733.2 mi apart from one another. In terms of flight time, this usually takes a little over 12h 59m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Dallas.

  • What documentation or ID do you need to fly to Dallas?

    The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Dallas

Compare and see reviews for airlines that fly from London Heathrow Airport to Dallas with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £428Free CancellationRating
6.8
7,334 reviews
Search Lufthansa flights
IcelandairPriceFrom £441Free CancellationRating
7.0
529 reviews
Search Icelandair flights
JetBluePriceFrom £452Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
Virgin AtlanticPriceFrom £458Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £469Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
FinnairPriceFrom £479Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
Scandinavian AirlinesPriceFrom £494Free CancellationRating
7.4
1,470 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom £541Free CancellationRating
7.0
2,885 reviews
Search Iberia flights
Air FrancePriceFrom £550Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Air CanadaPriceFrom £564Free CancellationRating
7.1
9,997 reviews
Search Air Canada flights

Why use momondo?

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

Finding the right flight to Dallas from London 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 Dallas quick and easy, saving you time and money.

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

Flights from London to Dallas 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 London to Dallas?

momondo provides multiple filters to help you find the best flight to Dallas from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas
Dallas Addison Airport
Dallas Love Field Airport
Dallas/Fort Worth Airport