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Cheap flights from Dallas to London from £225

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to London departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Finnair Logo
20:35 - 11:40DFW-LHR
9h 05mdirect
Finnair Logo
08:20 - 12:45LHR-DFW
10h 25mdirect
£426Finnair
Find Deal
Mon, 9 Feb - Mon, 23 Feb
Finnair Logo
18:50 - 10:00DFW-LHR
9h 10mdirect
Finnair Logo
16:30 - 21:05LHR-DFW
10h 35mdirect
£427Finnair
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Finnair Logo
17:35 - 08:35DFW-LHR
9h 00mdirect
Finnair Logo
11:55 - 16:25LHR-DFW
10h 30mdirect
£428Finnair
Find Deal
Mon, 24 Nov - Mon, 8 Dec
Finnair Logo
16:50 - 20:40DFW-LHR
21h 50m1 stop
Finnair Logo
18:10 - 15:05LHR-DFW
26h 55m1 stop
£430Finnair
Find Deal
Thu, 2 Apr - Thu, 16 Apr
Scandinavian Airlines Logo
16:00 - 09:20DFW-LHR
35h 20m2 stops
Scandinavian Airlines Logo
06:40 - 00:18LHR-DFW
23h 38m2 stops
£430Scandinavian Airlines
Find Deal
Fri, 27 Feb - Mon, 2 Mar
Finnair Logo
17:11 - 10:25DFW-LHR
11h 14m1 stop
Finnair Logo
11:55 - 16:25LHR-DFW
10h 30mdirect
£431Finnair
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Scandinavian Airlines Logo
16:00 - 18:30DFW-LHR
20h 30m2 stops
Scandinavian Airlines Logo
10:20 - 23:56LHR-DFW
19h 36m2 stops
£438Scandinavian Airlines
Find Deal
Wed, 18 Feb - Mon, 23 Feb
Scandinavian Airlines Logo
15:57 - 16:00DAL-LHR
18h 03m2 stops
Scandinavian Airlines Logo
17:00 - 22:33LHR-DAL
35h 33m2 stops
£438Scandinavian Airlines
Find Deal
Mon, 12 Jan - Fri, 16 Jan
Virgin Atlantic Logo
18:40 - 11:40DAL-LHR
11h 00m1 stop
Virgin Atlantic Logo
06:30 - 17:52LHR-DAL
17h 22m2 stops
£546Virgin Atlantic
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Wed, 26 Nov - Thu, 4 Dec
Virgin Atlantic Logo
15:59 - 11:40DAL-LHR
13h 41m1 stop
Virgin Atlantic Logo
11:45 - 23:56LHR-DAL
18h 11m2 stops
£547Virgin Atlantic
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Wed, 26 Nov - Wed, 3 Dec

Air Canada flights from Dallas to London Heathrow Airport

Our best Air Canada deals on Dallas to London Heathrow Airport flight tickets
Air Canada
24 Nov
DFW15:45Dallas/Fort Worth
13h 35m
1 stop
LHR11:20London Heathrow
9 Dec
LHR06:50London Heathrow
20h 49m
2 stops
DFW21:39Dallas/Fort Worth
£515
Find similar
Air Canada
24 Nov
DFW15:45Dallas/Fort Worth
13h 35m
1 stop
LHR11:20London Heathrow
10 Dec
LHR06:50London Heathrow
20h 49m
2 stops
DFW21:39Dallas/Fort Worth
£516
Find similar
Air Canada
17 Nov
DFW12:20Dallas/Fort Worth
12h 50m
1 stop
LHR07:10London Heathrow
3 Dec
LHR09:00London Heathrow
18h 32m
2 stops
DFW21:32Dallas/Fort Worth
£520
Find similar

Delta flights from Dallas to London Heathrow Airport

Our best Delta deals on Dallas to London Heathrow Airport flight tickets
Delta
17 Nov
DFW16:04Dallas/Fort Worth
10h 56m
1 stop
LHR09:00London Heathrow
3 Dec
LHR11:45London Heathrow
18h 37m
2 stops
DFW00:22Dallas/Fort Worth
£543
Find similar
Delta
19 Nov
DFW08:45Dallas/Fort Worth
17h 20m
1 stop
LHR08:05London Heathrow
5 Dec
LHR06:20London Heathrow
13h 40m
1 stop
DFW14:00Dallas/Fort Worth
£544
Find similar
Delta
23 Nov
DAL07:09Dallas Love Field
22h 31m
1 stop
LHR11:40London Heathrow
5 Dec
LHR06:30London Heathrow
23h 26m
2 stops
DAL23:56Dallas Love Field
£551
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dallas to London Heathrow 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 13 November 2025.
Use the filters below to find and compare flights from Dallas to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 9/2

20:35-11:40

Nonstop9h 05m

London Heathrow

Mon 23/2

08:20-12:45

Nonstop10h 25m

£426

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 4/12

18:50-10:00

Nonstop9h 10m

London Heathrow

Thu 11/12

16:30-21:05

Nonstop10h 35m

£427

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 24/11

17:35-08:35

Nonstop9h 00m

London Heathrow

Mon 8/12

11:55-16:25

Nonstop10h 30m

£428

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 2/4

16:50-20:40

1 stop21h 50m

London Heathrow

Thu 16/4

18:10-15:05

1 stop26h 55m

£430

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 27/2

16:00-09:20

2 stops35h 20m

London Heathrow

Mon 2/3

06:40-00:18

2 stops23h 38m

£430

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 4/12

17:11-10:25

1 stop11h 14m

London Heathrow

Thu 11/12

11:55-16:25

Nonstop10h 30m

£431

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 18/2

16:00-18:30

2 stops20h 30m

London Heathrow

Mon 23/2

10:20-23:56

2 stops19h 36m

£438

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Mon 12/1

15:57-16:00

2 stops18h 03m

London Heathrow

Fri 16/1

17:00-22:33

2 stops35h 33m

£438

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 26/11

18:40-11:40

1 stop11h 00m

London Heathrow

Thu 4/12

06:30-17:52

2 stops17h 22m

£546

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 26/11

15:59-11:40

1 stop13h 41m

London Heathrow

Wed 3/12

11:45-23:56

2 stops18h 11m

£547

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 London from

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

In general, September is the cheapest month to fly from Dallas to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £587. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Dallas averaging around £595.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Dallas is on a Monday. momondo users have found tickets for Monday departures for as low as £646. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £865.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Dallas to London Heathrow Airport in the afternoon for as low as £693. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £737 on average. Flights to London Heathrow Airport from Dallas at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Dallas to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £713 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dallas for as low as £640 on momondo.

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

There are 3 cabin classes available to choose from on Dallas to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Dallas to London Heathrow Airport flight deals and tips

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

Fastest flight time

8h 55m

Direct flights

Every day
The fastest flight from Dallas to London Heathrow Airport takes 8h 55m
Direct flights go from Dallas to London Heathrow Airport every day.
Search flight deals

  • How far is Dallas to London Heathrow by plane?

    Dallas and London Heathrow are 4733.2 mi apart from one another. Flights usually cover this in 9h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Dallas to London Heathrow Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Dallas to London Heathrow Airport

Compare and see reviews for airlines that fly from Dallas to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £466Free CancellationRating
7.4
1,571 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £468Free CancellationRating
6.7
7,513 reviews
Search British Airways flights
FinnairPriceFrom £471Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
American AirlinesPriceFrom £486Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
IberiaPriceFrom £552Free CancellationRating
7.0
3,009 reviews
Search Iberia flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Dover
Colchester
Chelmsford
Hayes

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dallas to London. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to London from Dallas with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to London.

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

Yes. momondo can track prices for Dallas to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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