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Cheap flights from London Heathrow Airport to Dallas from £309

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 17/9. 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 - 11:01LHR-DFW
35h 01m2 stops
Logo
05:05 - 12:45DFW-LHR
25h 40m2 stops
£485
Find Deal
Mon, 15 Sep - Tue, 30 Sep
Logo
08:00 - 18:09LHR-DFW
16h 09m1 stop
Logo
07:30 - 10:10DFW-LHR
20h 40m1 stop
£496
Find Deal
Fri, 5 Sep - Sat, 13 Sep
Logo
06:40 - 05:50LHR-DFW
29h 10m2 stops
Logo
14:54 - 17:40DFW-LHR
20h 46m2 stops
£502
Find Deal
Thu, 11 Sep - Tue, 16 Sep
Logo
06:30 - 00:50LHR-DFW
24h 20m2 stops
Logo
07:15 - 05:55DFW-LHR
16h 40m1 stop
£502
Find Deal
Fri, 5 Sep - Sat, 13 Sep
JetBlue Logo
09:20 - 10:35LHR-DFW
30h 15m1 stop
JetBlue Logo
11:20 - 06:55DFW-LHR
13h 35m1 stop
£529JetBlue
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Tue, 28 Oct - Tue, 18 Nov
Icelandair Logo
08:25 - 11:49LHR-DFW
33h 24m1 stop
Icelandair Logo
12:55 - 06:30DFW-LHR
11h 35m1 stop
£532Icelandair
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Wed, 24 Sep - Wed, 8 Oct
JetBlue Logo
08:25 - 11:58LHR-DFW
33h 33m1 stop
JetBlue Logo
11:00 - 06:55DFW-LHR
14h 55m1 stop
£536JetBlue
Find Deal
Wed, 3 Sep - Thu, 26 Mar
Icelandair Logo
08:25 - 11:49LHR-DFW
33h 24m1 stop
Icelandair Logo
12:55 - 06:30DFW-LHR
11h 35m1 stop
£551Icelandair
Find Deal
Wed, 24 Sep - Wed, 8 Oct
JetBlue Logo
08:25 - 11:58LHR-DFW
33h 33m1 stop
JetBlue Logo
11:20 - 06:55DFW-LHR
14h 35m1 stop
£563JetBlue
Find Deal
Tue, 7 Oct - Tue, 28 Oct
JetBlue Logo
09:20 - 10:35LHR-DFW
31h 15m1 stop
JetBlue Logo
11:42 - 06:55DFW-LHR
13h 13m1 stop
£565JetBlue
Find Deal
Thu, 13 Nov - Thu, 27 Nov

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

Our best JetBlue deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
JetBlue
28 Oct
LHR09:20London Heathrow
30h 15m
1 stop
DFW10:35Dallas/Fort Worth
18 Nov
DFW11:20Dallas/Fort Worth
13h 35m
1 stop
LHR06:55London Heathrow
£529
Find similar
JetBlue
3 Sept
LHR08:25London Heathrow
33h 33m
1 stop
DFW11:58Dallas/Fort Worth
26 Mar
DFW11:00Dallas/Fort Worth
14h 55m
1 stop
LHR06:55London Heathrow
£536
Find similar
JetBlue
7 Oct
LHR08:25London Heathrow
33h 33m
1 stop
DFW11:58Dallas/Fort Worth
28 Oct
DFW11:20Dallas/Fort Worth
14h 35m
1 stop
LHR06:55London Heathrow
£563
Find similar

Air Canada flights from London Heathrow Airport to Dallas/Fort Worth Airport

Our best Air Canada deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
Air Canada
6 Aug
LHR15:50London Heathrow
12h 42m
1 stop
DFW22:32Dallas/Fort Worth
10 Aug
DFW19:55Dallas/Fort Worth
28h 40m
1 stop
LHR06:35London Heathrow
£725
Find similar
Air Canada
9 Aug
LHR09:30London Heathrow
19h 02m
2 stops
DFW22:32Dallas/Fort Worth
10 Aug
DFW19:55Dallas/Fort Worth
28h 40m
1 stop
LHR06:35London Heathrow
£785
Find similar
Air Canada
5 Aug
LHR14:05London Heathrow
13h 35m
1 stop
DFW21:40Dallas/Fort Worth
10 Aug
DFW19:55Dallas/Fort Worth
28h 40m
1 stop
LHR06:35London Heathrow
£791
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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 31 July 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

Mon 15/9

06:00-11:01

2 stops35h 01m

Dallas/Fort Worth

Tue 30/9

05:05-12:45

2 stops25h 40m

£485

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 5/9

08:00-18:09

1 stop16h 09m

Dallas/Fort Worth

Sat 13/9

07:30-10:10

1 stop20h 40m

£496

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 11/9

06:40-05:50

2 stops29h 10m

Dallas/Fort Worth

Tue 16/9

14:54-17:40

2 stops20h 46m

£502

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 5/9

06:30-00:50

2 stops24h 20m

Dallas/Fort Worth

Sat 13/9

07:15-05:55

1 stop16h 40m

£502

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 28/10

09:20-10:35

1 stop30h 15m

Dallas/Fort Worth

Tue 18/11

11:20-06:55

1 stop13h 35m

£529

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 24/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Wed 8/10

12:55-06:30

1 stop11h 35m

£532

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 3/9

08:25-11:58

1 stop33h 33m

Dallas/Fort Worth

Thu 26/3

11:00-06:55

1 stop14h 55m

£536

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 24/9

08:25-11:49

1 stop33h 24m

Dallas/Fort Worth

Wed 8/10

12:55-06:30

1 stop11h 35m

£551

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 7/10

08:25-11:58

1 stop33h 33m

Dallas/Fort Worth

Tue 28/10

11:20-06:55

1 stop14h 35m

£563

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 13/11

09:20-10:35

1 stop31h 15m

Dallas/Fort Worth

Thu 27/11

11:42-06:55

1 stop13h 13m

£565

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 £645.

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 £699. 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 £765.

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 £586. In contrast, the most expensive time of day to depart to Dallas/Fort Worth Airport is in the afternoon when prices are around £784.

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 £755 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 £690 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.

Can stopping save me money on London Heathrow Airport to Dallas/Fort Worth Airport flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Dallas/Fort Worth Airport.

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

As of July 2025, prices for London Heathrow Airport to Dallas/Fort Worth Airport flights are approximately 13% 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

£309

Fastest flight time

15h 34m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from London Heathrow Airport in the past 72 hours is £309. The best return flight deal from London Heathrow Airport to Dallas/Fort Worth Airport found on momondo in the last 72 hours is £485.
The fastest flight from London Heathrow Airport to Dallas/Fort Worth Airport takes 15h 34m
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 15h 34m 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 £434Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights
IcelandairPriceFrom £448Free CancellationRating
7.0
519 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £454Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £459Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
United AirlinesPriceFrom £477Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
FinnairPriceFrom £489Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Air FrancePriceFrom £490Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom £502Free CancellationRating
7.3
1,453 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom £550Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
Air CanadaPriceFrom £581Free CancellationRating
7.1
9,837 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 30 flights/week on average for this route. A good Finnair flight deal for London Heathrow Airport to Dallas/Fort Worth Airport starts from £651 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 30 flights from London Heathrow Airport to Dallas/Fort Worth Airport in any given week. The average American Airlines airfare for this route is around £1,061, 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
Irving
Richardson
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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