Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Dallas from £509

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 16/1. 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.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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.
Search flight deals

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
06:40 - 23:58
LHR
-
DFW
23h 18m3 stops
Multiple Airlines Logo
07:29 - 12:55
DFW
-
LHR
23h 26m3 stops
£571Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
06:40 - 19:34
LHR
-
DFW
18h 54m2 stops
Multiple Airlines Logo
06:46 - 18:50
DFW
-
LHR
30h 04m3 stops
£573Multiple Airlines
Sun, 11 Jan - Sun, 18 Jan
Icelandair Logo
09:20 - 10:38
LHR
-
DFW
31h 18m1 stop
Icelandair Logo
11:29 - 06:55
DFW
-
LHR
13h 26m1 stop
£573Icelandair
Thu, 15 Jan - Sun, 25 Jan
Multiple Airlines Logo
19:55 - 23:58
LHR
-
DFW
34h 03m2 stops
Multiple Airlines Logo
06:46 - 22:40
DFW
-
LHR
33h 54m2 stops
£574Multiple Airlines
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
08:00 - 19:34
LHR
-
DFW
17h 34m1 stop
Multiple Airlines Logo
13:40 - 09:10
DFW
-
LHR
13h 30m1 stop
£575Multiple Airlines
Thu, 15 Jan - Tue, 20 Jan
Multiple Airlines Logo
13:25 - 00:20
LHR
-
DFW
16h 55m2 stops
Multiple Airlines Logo
20:40 - 07:10
DFW
-
LHR
28h 30m3 stops
£576Multiple Airlines
Sat, 17 Jan - Sat, 24 Jan
JetBlue Logo
09:20 - 18:20
LHR
-
DFW
15h 00m1 stop
JetBlue Logo
19:16 - 06:55
DFW
-
LHR
30h 39m1 stop
£576JetBlue
Mon, 2 Mar - Sun, 8 Mar
Icelandair Logo
09:20 - 18:20
LHR
-
DFW
15h 00m1 stop
Icelandair Logo
19:16 - 09:30
DFW
-
LHR
33h 14m2 stops
£577Icelandair
Wed, 4 Mar - Wed, 11 Mar
Scandinavian Airlines Logo
06:40 - 22:31
LHR
-
DAL
21h 51m2 stops
Scandinavian Airlines Logo
15:59 - 17:40
DAL
-
LHR
19h 41m2 stops
£585Scandinavian Airlines
Thu, 12 Feb - Mon, 23 Feb
Scandinavian Airlines Logo
06:40 - 22:29
LHR
-
DAL
21h 49m2 stops
Scandinavian Airlines Logo
11:12 - 09:20
DAL
-
LHR
40h 08m2 stops
£585Scandinavian Airlines
Sat, 7 Feb - Sat, 21 Feb

Icelandair flights from London Heathrow Airport to Dallas

Our best Icelandair deals on London Heathrow Airport to Dallas flight tickets
Icelandair
4 Mar
LHR09:20London Heathrow
15h 00m
1 stop
DFW18:20Dallas/Fort Worth
11 Mar
DFW19:16Dallas/Fort Worth
33h 14m
2 stops
LHR09:30London Heathrow
£573
Find similar
Icelandair
15 Jan
LHR09:20London Heathrow
31h 18m
1 stop
DFW10:38Dallas/Fort Worth
25 Jan
DFW11:29Dallas/Fort Worth
13h 26m
1 stop
LHR06:55London Heathrow
£573
Find similar
Icelandair
3 Mar
LHR12:20London Heathrow
36h 00m
2 stops
DFW18:20Dallas/Fort Worth
24 Mar
DFW19:05Dallas/Fort Worth
33h 25m
2 stops
LHR09:30London Heathrow
£574
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
12 Jan
LHR06:40London Heathrow
21h 31m
2 stops
DFW22:11Dallas/Fort Worth
26 Jan
DFW07:35Dallas/Fort Worth
19h 45m
2 stops
LHR09:20London Heathrow
£585
Find similar
Scandinavian Airlines
29 Jan
LHR06:40London Heathrow
21h 49m
2 stops
DAL22:29Dallas Love Field
7 Feb
DAL11:15Dallas Love Field
24h 25m
2 stops
LHR17:40London Heathrow
£586
Find similar
Scandinavian Airlines
16 Jan
LHR19:30London Heathrow
34h 57m
2 stops
DFW00:27Dallas/Fort Worth
1 Feb
DFW07:35Dallas/Fort Worth
28h 05m
2 stops
LHR17:40London Heathrow
£588
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 5 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

Sat 17/1

06:40-23:58

3 stops23h 18m

Dallas/Fort Worth

Sat 24/1

07:29-12:55

3 stops23h 26m

£571

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sun 11/1

06:40-19:34

2 stops18h 54m

Dallas/Fort Worth

Sun 18/1

06:46-18:50

3 stops30h 04m

£573

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 15/1

09:20-10:38

1 stop31h 18m

Dallas/Fort Worth

Sun 25/1

11:29-06:55

1 stop13h 26m

£573

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 16/1

19:55-23:58

2 stops34h 03m

Dallas/Fort Worth

Mon 19/1

06:46-22:40

2 stops33h 54m

£574

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 15/1

08:00-19:34

1 stop17h 34m

Dallas/Fort Worth

Tue 20/1

13:40-09:10

1 stop13h 30m

£575

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sat 17/1

13:25-00:20

2 stops16h 55m

Dallas/Fort Worth

Sat 24/1

20:40-07:10

3 stops28h 30m

£576

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 2/3

09:20-18:20

1 stop15h 00m

Dallas/Fort Worth

Sun 8/3

19:16-06:55

1 stop30h 39m

£576

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 4/3

09:20-18:20

1 stop15h 00m

Dallas/Fort Worth

Wed 11/3

19:16-09:30

2 stops33h 14m

£577

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

£585

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 7/2

06:40-22:29

2 stops21h 49m

Dallas Love Field

Sat 21/2

11:12-09:20

2 stops40h 08m

£585

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 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 £652. 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 £663.

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 £720. 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 £775. 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 £585. 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 £801 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 £771 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 £722 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

1 airport
The fastest flight from London Heathrow Airport to Dallas takes 10h 00m
Direct flights go from London Heathrow Airport to Dallas every day.
There is 1 airport near Dallas: 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 13h 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 £434Free CancellationRating
6.8
7,613 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £453Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £463Free CancellationRating
7.0
584 reviews
Search Icelandair flights
JetBluePriceFrom £465Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
United AirlinesPriceFrom £467Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights
FinnairPriceFrom £494Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Air FrancePriceFrom £516Free CancellationRating
7.4
1,502 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom £524Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
IberiaPriceFrom £555Free CancellationRating
7.0
3,040 reviews
Search Iberia flights
Air CanadaPriceFrom £572Free CancellationRating
7.1
10,500 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.

An easier way to manage your Dallas trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 4/1
Sun 11/1
By creating a price alert you accept our terms of use and privacy policy.

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