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Cheap flights from Dallas to London from £217

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 10/12. 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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Scandinavian Airlines Logo
15:35 - 17:40DFW-LHR
20h 05m2 stops
Scandinavian Airlines Logo
06:40 - 23:28LHR-DFW
22h 48m2 stops
£416Scandinavian Airlines
Find Deal
Sat, 7 Feb - Mon, 9 Feb
Scandinavian Airlines Logo
16:05 - 21:40DFW-LHR
23h 35m2 stops
Scandinavian Airlines Logo
06:40 - 23:34LHR-DFW
22h 54m2 stops
£421Scandinavian Airlines
Find Deal
Thu, 27 Nov - Tue, 2 Dec
Scandinavian Airlines Logo
15:35 - 16:00DFW-LHR
18h 25m2 stops
Scandinavian Airlines Logo
06:40 - 22:23LHR-DFW
21h 43m2 stops
£423Scandinavian Airlines
Find Deal
Mon, 26 Jan - Fri, 30 Jan
Multiple Airlines Logo
16:36 - 08:05DFW-LHR
33h 29m2 stops
Multiple Airlines Logo
06:00 - 23:54LHR-DFW
23h 54m2 stops
£460Multiple Airlines
Find Deal
Tue, 4 Nov - Sat, 8 Nov
Multiple Airlines Logo
10:25 - 14:35DFW-LHR
22h 10m2 stops
Multiple Airlines Logo
06:40 - 01:04LHR-DFW
24h 24m2 stops
£460Multiple Airlines
Find Deal
Sat, 6 Dec - Mon, 8 Dec
Air Canada Logo
12:20 - 20:35DFW-LHR
26h 15m2 stops
Air Canada Logo
06:50 - 21:39LHR-DFW
20h 49m2 stops
£483Air Canada
Find Deal
Mon, 10 Nov - Tue, 25 Nov
Air Canada Logo
07:05 - 20:35DFW-LHR
31h 30m2 stops
Air Canada Logo
06:50 - 21:39LHR-DFW
20h 49m2 stops
£486Air Canada
Find Deal
Tue, 4 Nov - Tue, 11 Nov
Virgin Atlantic Logo
12:33 - 06:25DAL-LHR
11h 52m1 stop
Virgin Atlantic Logo
15:50 - 23:52LHR-DAL
14h 02m1 stop
£522Virgin Atlantic
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Mon, 10 Nov - Tue, 25 Nov
Virgin Atlantic Logo
14:14 - 07:50DAL-LHR
11h 36m1 stop
Virgin Atlantic Logo
12:30 - 20:49LHR-DAL
14h 19m1 stop
£530Virgin Atlantic
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Tue, 4 Nov - Tue, 11 Nov
Air France Logo
14:14 - 07:50DAL-LHR
11h 36m1 stop
Air France Logo
08:55 - 17:50LHR-DAL
14h 55m1 stop
£551Air France
Find Deal
Tue, 4 Nov - Tue, 11 Nov

Scandinavian Airlines flights from Dallas to London Heathrow Airport

Our best Scandinavian Airlines deals on Dallas to London Heathrow Airport flight tickets
Scandinavian Airlines
7 Feb
DFW15:35Dallas/Fort Worth
20h 05m
2 stops
LHR17:40London Heathrow
9 Feb
LHR06:40London Heathrow
22h 48m
2 stops
DFW23:28Dallas/Fort Worth
£416
Find similar
Scandinavian Airlines
27 Nov
DFW16:05Dallas/Fort Worth
23h 35m
2 stops
LHR21:40London Heathrow
2 Dec
LHR06:40London Heathrow
22h 54m
2 stops
DFW23:34Dallas/Fort Worth
£421
Find similar
Scandinavian Airlines
26 Jan
DFW15:35Dallas/Fort Worth
18h 25m
2 stops
LHR16:00London Heathrow
30 Jan
LHR06:40London Heathrow
21h 43m
2 stops
DFW22:23Dallas/Fort Worth
£423
Find similar

Air Canada flights from Dallas to London Heathrow Airport

Our best Air Canada deals on Dallas to London Heathrow Airport flight tickets
Air Canada
27 Oct
DFW12:20Dallas/Fort Worth
27h 15m
2 stops
LHR20:35London Heathrow
11 Nov
LHR06:50London Heathrow
20h 49m
2 stops
DFW21:39Dallas/Fort Worth
£482
Find similar
Air Canada
10 Nov
DFW12:20Dallas/Fort Worth
26h 15m
2 stops
LHR20:35London Heathrow
25 Nov
LHR06:50London Heathrow
20h 49m
2 stops
DFW21:39Dallas/Fort Worth
£483
Find similar
Air Canada
4 Nov
DFW07:05Dallas/Fort Worth
31h 30m
2 stops
LHR20:35London Heathrow
11 Nov
LHR06:50London Heathrow
20h 49m
2 stops
DFW21:39Dallas/Fort Worth
£486
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 20 October 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

Sat 7/2

15:35-17:40

2 stops20h 05m

London Heathrow

Mon 9/2

06:40-23:28

2 stops22h 48m

£416

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 27/11

16:05-21:40

2 stops23h 35m

London Heathrow

Tue 2/12

06:40-23:34

2 stops22h 54m

£421

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 26/1

15:35-16:00

2 stops18h 25m

London Heathrow

Fri 30/1

06:40-22:23

2 stops21h 43m

£423

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 4/11

16:36-08:05

2 stops33h 29m

London Heathrow

Sat 8/11

06:00-23:54

2 stops23h 54m

£460

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 6/12

10:25-14:35

2 stops22h 10m

London Heathrow

Mon 8/12

06:40-01:04

2 stops24h 24m

£460

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 10/11

12:20-20:35

2 stops26h 15m

London Heathrow

Tue 25/11

06:50-21:39

2 stops20h 49m

£483

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 4/11

07:05-20:35

2 stops31h 30m

London Heathrow

Tue 11/11

06:50-21:39

2 stops20h 49m

£486

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Mon 10/11

12:33-06:25

1 stop11h 52m

London Heathrow

Tue 25/11

15:50-23:52

1 stop14h 02m

£522

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 4/11

14:14-07:50

1 stop11h 36m

London Heathrow

Tue 11/11

12:30-20:49

1 stop14h 19m

£530

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Tue 4/11

14:14-07:50

1 stop11h 36m

London Heathrow

Tue 11/11

08:55-17:50

1 stop14h 55m

£551

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 £572. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Dallas averaging around £584.

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 £628. 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 £846.

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 £681. 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 £721 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 £701 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 £634 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 11h 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 £456Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £458Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
FinnairPriceFrom £460Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
American AirlinesPriceFrom £475Free CancellationRating
7.2
11,024 reviews
Search American Airlines flights
IberiaPriceFrom £540Free CancellationRating
7.0
2,996 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
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Northampton
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Ipswich
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Dover
Hayes
Chelmsford

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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