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Cheap flights from London Heathrow Airport to Dallas from £449

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 14/2. 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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Find the cheapest flights from London Heathrow Airport to Dallas

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:50 - 19:34
LHR
-
DFW
29h 44m2 stops
Multiple Airlines Logo
05:15 - 09:20
DFW
-
LHR
22h 05m3 stops
£547Multiple Airlines
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
11:40 - 00:20
LHR
-
DFW
18h 40m2 stops
Multiple Airlines Logo
09:37 - 09:15
DFW
-
LHR
17h 38m2 stops
£548Multiple Airlines
Wed, 28 Jan - Sat, 7 Feb
Multiple Airlines Logo
06:00 - 23:58
LHR
-
DFW
23h 58m3 stops
Multiple Airlines Logo
13:40 - 17:30
DFW
-
LHR
21h 50m2 stops
£549Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
JetBlue Logo
09:20 - 18:20
LHR
-
DFW
15h 00m1 stop
JetBlue Logo
19:16 - 06:55
DFW
-
LHR
29h 39m1 stop
£550JetBlue
Tue, 24 Feb - Wed, 4 Mar
Multiple Airlines Logo
19:50 - 19:34
LHR
-
DFW
29h 44m2 stops
Multiple Airlines Logo
05:15 - 12:55
DFW
-
LHR
25h 40m3 stops
£550Multiple Airlines
Sun, 11 Jan - Wed, 14 Jan
JetBlue Logo
08:25 - 10:11
LHR
-
DFW
31h 46m1 stop
JetBlue Logo
19:02 - 06:30
DFW
-
LHR
29h 28m1 stop
£552JetBlue
Tue, 14 Apr - Wed, 6 May
Scandinavian Airlines Logo
19:30 - 22:29
LHR
-
DAL
32h 59m2 stops
Scandinavian Airlines Logo
15:57 - 16:00
DAL
-
LHR
18h 03m2 stops
£590Scandinavian Airlines
Fri, 16 Jan - Fri, 6 Feb
Scandinavian Airlines Logo
06:40 - 22:31
LHR
-
DAL
21h 51m2 stops
Scandinavian Airlines Logo
11:58 - 21:40
DAL
-
LHR
27h 42m2 stops
£591Scandinavian Airlines
Thu, 12 Feb - Mon, 23 Feb
Scandinavian Airlines Logo
06:40 - 22:29
LHR
-
DAL
21h 49m2 stops
Scandinavian Airlines Logo
11:12 - 16:00
DAL
-
LHR
22h 48m2 stops
£593Scandinavian Airlines
Sat, 7 Feb - Sat, 14 Feb
Scandinavian Airlines Logo
06:40 - 22:31
LHR
-
DAL
21h 51m2 stops
Scandinavian Airlines Logo
15:59 - 17:40
DAL
-
LHR
19h 41m2 stops
£600Scandinavian Airlines
Thu, 12 Feb - Mon, 23 Feb

JetBlue flights from London Heathrow Airport to Dallas

Our best JetBlue deals on London Heathrow Airport to Dallas flight tickets
JetBlue
24 Feb
LHR09:20London Heathrow
15h 00m
1 stop
DFW18:20Dallas/Fort Worth
4 Mar
DFW19:16Dallas/Fort Worth
29h 39m
1 stop
LHR06:55London Heathrow
£550
Find similar
JetBlue
14 Apr
LHR08:25London Heathrow
31h 46m
1 stop
DFW10:11Dallas/Fort Worth
6 May
DFW19:02Dallas/Fort Worth
29h 28m
1 stop
LHR06:30London Heathrow
£552
Find similar
JetBlue
1 Feb
LHR09:20London Heathrow
31h 18m
1 stop
DFW10:38Dallas/Fort Worth
24 Feb
DFW19:16Dallas/Fort Worth
29h 39m
1 stop
LHR06:55London Heathrow
£559
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
16 Jan
LHR19:30London Heathrow
32h 59m
2 stops
DAL22:29Dallas Love Field
6 Feb
DAL15:57Dallas Love Field
18h 03m
2 stops
LHR16:00London Heathrow
£590
Find similar
Scandinavian Airlines
27 Jan
LHR06:40London Heathrow
21h 03m
2 stops
DFW21:43Dallas/Fort Worth
9 Feb
DFW15:45Dallas/Fort Worth
19h 55m
2 stops
LHR17:40London Heathrow
£591
Find similar
Scandinavian Airlines
15 Jan
LHR06:40London Heathrow
23h 47m
2 stops
DFW00:27Dallas/Fort Worth
20 Jan
DFW16:00Dallas/Fort Worth
20h 30m
2 stops
LHR18:30London Heathrow
£593
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 18 December 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

Tue 13/1

19:50-19:34

2 stops29h 44m

Dallas/Fort Worth

Tue 20/1

05:15-09:20

3 stops22h 05m

£547

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 28/1

11:40-00:20

2 stops18h 40m

Dallas/Fort Worth

Sat 7/2

09:37-09:15

2 stops17h 38m

£548

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 22/1

06:00-23:58

3 stops23h 58m

Dallas/Fort Worth

Mon 26/1

13:40-17:30

2 stops21h 50m

£549

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 24/2

09:20-18:20

1 stop15h 00m

Dallas/Fort Worth

Wed 4/3

19:16-06:55

1 stop29h 39m

£550

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sun 11/1

19:50-19:34

2 stops29h 44m

Dallas/Fort Worth

Wed 14/1

05:15-12:55

3 stops25h 40m

£550

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 14/4

08:25-10:11

1 stop31h 46m

Dallas/Fort Worth

Wed 6/5

19:02-06:30

1 stop29h 28m

£552

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Fri 16/1

19:30-22:29

2 stops32h 59m

Dallas Love Field

Fri 6/2

15:57-16:00

2 stops18h 03m

£590

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 12/2

06:40-22:31

2 stops21h 51m

Dallas Love Field

Mon 23/2

11:58-21:40

2 stops27h 42m

£591

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 7/2

06:40-22:29

2 stops21h 49m

Dallas Love Field

Sat 14/2

11:12-16:00

2 stops22h 48m

£593

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 12/2

06:40-22:31

2 stops21h 51m

Dallas Love Field

Mon 23/2

15:59-17:40

2 stops19h 41m

£600

Flights are sorted by cheapest return flights first.

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

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 £654. 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 £661.

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 £721. 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 Sunday will generally be more expensive and average around £774. 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 £584. 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 £802 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 £777 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 £717 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

Fastest flight time

10h 00m

Direct flights

Every day

Airports in Dallas

3 airports
The fastest flight from London Heathrow Airport to Dallas takes 10h 00m
Direct flights go from London Heathrow Airport to Dallas every day.
There are 3 airports in Dallas. From London Heathrow Airport there are direct flights to Dallas/Fort Worth (DFW).
Search flight deals

  • 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 10h 00m.

  • 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 £433Free CancellationRating
6.8
7,637 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £452Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
JetBluePriceFrom £464Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
United AirlinesPriceFrom £475Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
FinnairPriceFrom £492Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
IcelandairPriceFrom £500Free CancellationRating
7.0
591 reviews
Search Icelandair flights
Air FrancePriceFrom £515Free CancellationRating
7.4
1,508 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom £523Free CancellationRating
7.4
1,608 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom £554Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
American AirlinesPriceFrom £601Free CancellationRating
7.2
11,054 reviews
Search American Airlines 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