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Cheap flights from Dallas to London from £232

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 14/10. 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

United Airlines Logo
17:46 - 07:40DFW-LHR
31h 54m1 stop
United Airlines Logo
15:50 - 19:27LHR-DFW
33h 37m1 stop
£379United Airlines
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Tue, 30 Sep - Tue, 14 Oct
United Airlines Logo
09:25 - 09:35DFW-LHR
18h 10m1 stop
United Airlines Logo
09:30 - 21:43LHR-DFW
18h 13m1 stop
£380United Airlines
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Mon, 29 Sep - Thu, 23 Oct
Iberia Logo
22:59 - 14:25DFW-LHR
9h 26mdirect
Iberia Logo
12:00 - 16:25LHR-DFW
10h 25mdirect
£381Iberia
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Sun, 28 Sep - Tue, 14 Oct
Finnair Logo
16:36 - 11:05DFW-LHR
12h 29m1 stop
Finnair Logo
08:20 - 12:35LHR-DFW
10h 15mdirect
£383Finnair
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Wed, 8 Oct - Thu, 23 Oct
Finnair Logo
21:15 - 12:15DFW-LHR
9h 00mdirect
Finnair Logo
18:10 - 16:10LHR-DFW
27h 00m1 stop
£390Finnair
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Thu, 5 Mar - Wed, 11 Mar
British Airways Logo
19:50 - 10:50DFW-LHR
9h 00mdirect
British Airways Logo
15:00 - 19:10LHR-DFW
10h 10mdirect
£396British Airways
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Sun, 19 Oct - Wed, 5 Nov
British Airways Logo
18:50 - 12:30DFW-LHR
11h 40m1 stop
British Airways Logo
18:00 - 16:20LHR-DFW
28h 20m1 stop
£405British Airways
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Wed, 1 Oct - Sun, 5 Oct
Iberia Logo
22:59 - 14:25DFW-LHR
9h 26mdirect
Iberia Logo
08:20 - 12:45LHR-DFW
10h 25mdirect
£412Iberia
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Fri, 3 Oct - Fri, 7 Nov
Scandinavian Airlines Logo
15:45 - 21:40DAL-LHR
23h 55m2 stops
Scandinavian Airlines Logo
06:40 - 22:36LHR-DAL
21h 56m2 stops
£437Scandinavian Airlines
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Sat, 14 Feb - Sat, 21 Feb
Scandinavian Airlines Logo
15:45 - 17:00DAL-LHR
19h 15m2 stops
Scandinavian Airlines Logo
06:40 - 23:55LHR-DAL
22h 15m2 stops
£443Scandinavian Airlines
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Sat, 25 Oct - Wed, 29 Oct

KLM flights from Dallas to London Heathrow Airport

Our best KLM deals on Dallas to London Heathrow Airport flight tickets
KLM
22 Oct
DAL18:39Dallas Love Field
12h 51m
1 stop
LHR13:30London Heathrow
19 Nov
LHR12:30London Heathrow
14h 19m
1 stop
DAL20:49Dallas Love Field
£390
Find similar
KLM
15 Feb
DAL15:45Dallas Love Field
11h 15m
1 stop
LHR09:00London Heathrow
25 Feb
LHR08:55London Heathrow
15h 00m
1 stop
DAL17:55Dallas Love Field
£396
Find similar
KLM
21 Sept
DAL18:29Dallas Love Field
13h 01m
1 stop
LHR13:30London Heathrow
7 Oct
LHR13:05London Heathrow
16h 50m
1 stop
DAL23:55Dallas Love Field
£406
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Scandinavian Airlines flights from Dallas to London Heathrow Airport

Our best Scandinavian Airlines deals on Dallas to London Heathrow Airport flight tickets
Scandinavian Airlines
14 Feb
DAL15:45Dallas Love Field
23h 55m
2 stops
LHR21:40London Heathrow
21 Feb
LHR06:40London Heathrow
21h 56m
2 stops
DAL22:36Dallas Love Field
£437
Find similar
Scandinavian Airlines
23 Sept
DAL15:52Dallas Love Field
19h 48m
2 stops
LHR17:40London Heathrow
21 Oct
LHR06:40London Heathrow
23h 15m
2 stops
DAL23:55Dallas Love Field
£443
Find similar
Scandinavian Airlines
25 Oct
DAL15:45Dallas Love Field
24h 55m
2 stops
LHR22:40London Heathrow
31 Oct
LHR07:05London Heathrow
21h 50m
3 stops
DAL23:55Dallas Love Field
£446
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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 17 September 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

Tue 30/9

17:46-07:40

1 stop31h 54m

London Heathrow

Tue 14/10

15:50-19:27

1 stop33h 37m

£379

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 29/9

09:25-09:35

1 stop18h 10m

London Heathrow

Thu 23/10

09:30-21:43

1 stop18h 13m

£380

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 28/9

22:59-14:25

Nonstop9h 26m

London Heathrow

Tue 14/10

12:00-16:25

Nonstop10h 25m

£381

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 8/10

16:36-11:05

1 stop12h 29m

London Heathrow

Thu 23/10

08:20-12:35

Nonstop10h 15m

£383

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Thu 5/3

21:15-12:15

Nonstop9h 00m

London Heathrow

Wed 11/3

18:10-16:10

1 stop27h 00m

£390

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 19/10

19:50-10:50

Nonstop9h 00m

London Heathrow

Wed 5/11

15:00-19:10

Nonstop10h 10m

£396

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 1/10

18:50-12:30

1 stop11h 40m

London Heathrow

Sun 5/10

18:00-16:20

1 stop28h 20m

£405

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 3/10

22:59-14:25

Nonstop9h 26m

London Heathrow

Fri 7/11

08:20-12:45

Nonstop10h 25m

£412

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Sat 14/2

15:45-21:40

2 stops23h 55m

London Heathrow

Sat 21/2

06:40-22:36

2 stops21h 56m

£437

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Sat 25/10

15:45-17:00

2 stops19h 15m

London Heathrow

Wed 29/10

06:40-23:55

2 stops22h 15m

£443

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, October 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 £561. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Dallas averaging around £570.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £620. 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 £854.

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 £666. 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 £709 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 £688 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 £616 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

9h 00m

Direct flights

Every day
The fastest flight from Dallas to London Heathrow Airport takes 9h 00m
Direct flights go from Dallas to London Heathrow Airport every day.
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  • 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 £449Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £453Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
American AirlinesPriceFrom £468Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom £482Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
IberiaPriceFrom £552Free CancellationRating
7.0
2,924 reviews
Search Iberia flights

Travelling to a place near London?

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