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Cheap flights from London Heathrow Airport to Dallas from £258

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 14/10. 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
12:05 - 13:58LHR-DFW
31h 53m3 stops
Logo
19:15 - 07:10DFW-LHR
29h 55m3 stops
£482
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Logo
11:20 - 00:20LHR-DFW
19h 00m1 stop
Logo
16:42 - 16:50DFW-LHR
18h 08m1 stop
£487
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Logo
07:40 - 05:46LHR-DFW
28h 06m2 stops
Logo
14:56 - 18:55DFW-LHR
21h 59m2 stops
£491
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Logo
13:25 - 13:58LHR-DFW
30h 33m3 stops
Logo
11:26 - 11:20DFW-LHR
17h 54m2 stops
£492
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Logo
07:45 - 00:57LHR-DFW
23h 12m2 stops
Logo
06:00 - 10:10DFW-LHR
22h 10m2 stops
£495
Find Deal
Fri, 10 Oct - Fri, 17 Oct
JetBlue Logo
09:20 - 12:05LHR-DFW
32h 45m1 stop
JetBlue Logo
11:25 - 06:55DFW-LHR
13h 30m1 stop
£525JetBlue
Find Deal
Tue, 11 Nov - Wed, 14 Jan
Icelandair Logo
09:20 - 12:05LHR-DFW
32h 45m1 stop
Icelandair Logo
13:00 - 06:55DFW-LHR
11h 55m1 stop
£538Icelandair
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Icelandair Logo
07:25 - 12:05LHR-DFW
34h 40m2 stops
Icelandair Logo
13:00 - 06:55DFW-LHR
11h 55m1 stop
£544Icelandair
Find Deal
Tue, 11 Nov - Wed, 19 Nov
JetBlue Logo
08:25 - 11:49LHR-DFW
33h 24m1 stop
JetBlue Logo
13:00 - 06:55DFW-LHR
12h 55m1 stop
£546JetBlue
Find Deal
Tue, 30 Sep - Tue, 28 Oct
JetBlue Logo
08:25 - 11:49LHR-DFW
33h 24m1 stop
JetBlue Logo
18:50 - 06:55DFW-LHR
30h 05m1 stop
£552JetBlue
Find Deal
Wed, 1 Oct - Sat, 8 Nov

Icelandair flights from London Heathrow Airport to Dallas/Fort Worth Airport

Our best Icelandair deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
Icelandair
11 Nov
LHR09:20London Heathrow
32h 45m
1 stop
DFW12:05Dallas/Fort Worth
18 Nov
DFW13:00Dallas/Fort Worth
11h 55m
1 stop
LHR06:55London Heathrow
£538
Find similar
Icelandair
11 Nov
LHR07:25London Heathrow
34h 40m
2 stops
DFW12:05Dallas/Fort Worth
19 Nov
DFW13:00Dallas/Fort Worth
11h 55m
1 stop
LHR06:55London Heathrow
£544
Find similar

British Airways flights from London Heathrow Airport to Dallas/Fort Worth Airport

Our best British Airways deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
British Airways
17 Sept
LHR07:40London Heathrow
14h 25m
1 stop
DFW16:05Dallas/Fort Worth
1 Oct
DFW15:15Dallas/Fort Worth
9h 10m
LHR06:25London Heathrow
£605
Find similar
British Airways
22 Sept
LHR06:20London Heathrow
15h 45m
1 stop
DFW16:05Dallas/Fort Worth
6 Oct
DFW22:59Dallas/Fort Worth
9h 26m
LHR14:25London Heathrow
£609
Find similar
British Airways
17 Sept
LHR10:30London Heathrow
10h 15m
DFW14:45Dallas/Fort Worth
1 Oct
DFW19:40Dallas/Fort Worth
9h 10m
LHR10:50London Heathrow
£611
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Dallas/Fort Worth 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 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/11

12:05-13:58

3 stops31h 53m

Dallas/Fort Worth

Tue 18/11

19:15-07:10

3 stops29h 55m

£482

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/11

11:20-00:20

1 stop19h 00m

Dallas/Fort Worth

Tue 18/11

16:42-16:50

1 stop18h 08m

£487

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 8/10

07:40-05:46

2 stops28h 06m

Dallas/Fort Worth

Wed 15/10

14:56-18:55

2 stops21h 59m

£491

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/11

13:25-13:58

3 stops30h 33m

Dallas/Fort Worth

Tue 18/11

11:26-11:20

2 stops17h 54m

£492

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 10/10

07:45-00:57

2 stops23h 12m

Dallas/Fort Worth

Fri 17/10

06:00-10:10

2 stops22h 10m

£495

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/11

09:20-12:05

1 stop32h 45m

Dallas/Fort Worth

Wed 14/1

11:25-06:55

1 stop13h 30m

£525

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/11

09:20-12:05

1 stop32h 45m

Dallas/Fort Worth

Tue 18/11

13:00-06:55

1 stop11h 55m

£538

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/11

07:25-12:05

2 stops34h 40m

Dallas/Fort Worth

Wed 19/11

13:00-06:55

1 stop11h 55m

£544

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 30/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Tue 28/10

13:00-06:55

1 stop12h 55m

£546

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 1/10

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Sat 8/11

18:50-06:55

1 stop30h 05m

£552

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/Fort Worth 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 London Heathrow Airport and Dallas/Fort Worth Airport?

What is the cheapest month to fly to Dallas/Fort Worth Airport?

If you don’t want to visit Dallas/Fort Worth Airport in January, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £633.

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

On average, the least expensive day to fly to Dallas/Fort Worth Airport from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £690. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Dallas/Fort Worth Airport on Friday is £751.

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

Our most recent data shows that the best time of day to fly to Dallas/Fort Worth Airport is in the evening. Flights from London Heathrow Airport to Dallas/Fort Worth Airport during this time can be as low as £577. In contrast, the most expensive time of day to depart to Dallas/Fort Worth Airport is in the afternoon when prices are around £775.

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

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

How far in advance should I book a flight to Dallas/Fort Worth Airport?

You are more likely to see cheaper flights to Dallas/Fort Worth Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around £746 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from London Heathrow Airport for as low as £660 on momondo.

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

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

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

As of September 2025, prices for London Heathrow Airport to Dallas/Fort Worth Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

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

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

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

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

Best price found

£706

Fastest flight time

10h 05m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from London Heathrow Airport in the past 72 hours is £706. The best return flight deal from London Heathrow Airport to Dallas/Fort Worth Airport found on momondo in the last 72 hours is £664.
The fastest flight from London Heathrow Airport to Dallas/Fort Worth Airport takes 10h 05m
Direct flights go from London Heathrow Airport to Dallas/Fort Worth Airport every day.
Search flight deals

  • How far is London Heathrow to Dallas/Fort Worth by plane?

    A flight from London Heathrow to Dallas/Fort Worth will travel around 4736.3 mi. Typically, this will take 16h 09m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Dallas/Fort Worth Airport refresh daily.

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

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

    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/Fort Worth Airport.

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The necessary travel and health documents for your Dallas/Fort Worth Airport 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.

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

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

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

Compare and see reviews for airlines that fly from London Heathrow Airport to Dallas/Fort Worth Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £427Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
IcelandairPriceFrom £440Free CancellationRating
7.0
546 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £446Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £451Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
United AirlinesPriceFrom £469Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
FinnairPriceFrom £479Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
Scandinavian AirlinesPriceFrom £494Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom £540Free CancellationRating
7.0
2,929 reviews
Search Iberia flights
Air FrancePriceFrom £550Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Air CanadaPriceFrom £564Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

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

    Finnair is one of the most popular airlines flying from London Heathrow Airport to Dallas/Fort Worth Airport, operating 35 flights/week on average for this route. A good Finnair flight deal for London Heathrow Airport to Dallas/Fort Worth Airport starts from £648 round-trip, up to an average price of £833. Our users have rated Finnair at 7.6/10.

  • American Airlines Flights From London Heathrow Airport to Dallas/Fort Worth Airport

    American Airlines (7.2/10 from 10,000 reviews) operates around 35 flights from London Heathrow Airport to Dallas/Fort Worth Airport in any given week. The average American Airlines airfare for this route is around £1,035, with deals from around £804 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Dallas/Fort Worth Airport flight searches in the last 72 hours.

Travelling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
McKinney
Bedford
Arlington
Fort Worth
Frisco
Garland
Lewisville
Plano
Bridgeport
Flower Mound
Irving
Grapevine
Waxahachie
Denison

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Dallas . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for London to Dallas flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dallas from London.

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

Price alerts on flights to Dallas from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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