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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 14/1. 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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Scandinavian Airlines Logo
16:05 - 16:00DFW-LHR
41h 55m2 stops
Scandinavian Airlines Logo
06:40 - 23:14LHR-DFW
22h 34m2 stops
£408Scandinavian Airlines
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Fri, 5 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
16:00 - 18:30DFW-LHR
20h 30m2 stops
Scandinavian Airlines Logo
06:40 - 21:43LHR-DFW
21h 03m2 stops
£428Scandinavian Airlines
Find Deal
Wed, 14 Jan - Wed, 21 Jan
Scandinavian Airlines Logo
16:00 - 18:30DFW-LHR
20h 30m2 stops
Scandinavian Airlines Logo
10:20 - 23:56LHR-DFW
19h 36m2 stops
£429Scandinavian Airlines
Find Deal
Mon, 12 Jan - Wed, 21 Jan
Multiple Airlines Logo
13:40 - 16:20DFW-LHR
20h 40m2 stops
Multiple Airlines Logo
11:10 - 00:20LHR-DFW
19h 10m2 stops
£462Multiple Airlines
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Fri, 23 Jan - Sun, 25 Jan
Multiple Airlines Logo
10:31 - 14:35DFW-LHR
22h 04m2 stops
Multiple Airlines Logo
06:40 - 18:58LHR-DFW
18h 18m2 stops
£464Multiple Airlines
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Sat, 6 Dec - Mon, 8 Dec
Iberia Logo
13:55 - 16:35DFW-LHR
20h 40m1 stop
Iberia Logo
19:05 - 05:30LHR-DFW
16h 25m1 stop
£496Iberia
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Sun, 15 Feb - Mon, 23 Feb
Virgin Atlantic Logo
18:37 - 11:40DAL-LHR
11h 03m1 stop
Virgin Atlantic Logo
15:50 - 23:56LHR-DAL
14h 06m1 stop
£541Virgin Atlantic
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Wed, 3 Dec - Wed, 10 Dec
Virgin Atlantic Logo
14:00 - 11:40DAL-LHR
15h 40m1 stop
Virgin Atlantic Logo
11:45 - 23:56LHR-DAL
18h 11m2 stops
£549Virgin Atlantic
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Wed, 3 Dec - Wed, 10 Dec
KLM Logo
14:00 - 07:50DAL-LHR
11h 50m1 stop
KLM Logo
15:50 - 23:56LHR-DAL
14h 06m1 stop
£562KLM
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Wed, 3 Dec - Wed, 10 Dec
KLM Logo
14:17 - 07:50DAL-LHR
11h 33m1 stop
KLM Logo
08:55 - 17:51LHR-DAL
14h 56m1 stop
£615KLM
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Thu, 8 Jan - Thu, 15 Jan

Scandinavian Airlines flights from Dallas to London Heathrow Airport

Our best Scandinavian Airlines deals on Dallas to London Heathrow Airport flight tickets
Scandinavian Airlines
5 Dec
DFW16:05Dallas/Fort Worth
41h 55m
2 stops
LHR16:00London Heathrow
8 Dec
LHR06:40London Heathrow
22h 34m
2 stops
DFW23:14Dallas/Fort Worth
£408
Find similar
Scandinavian Airlines
14 Jan
DFW16:00Dallas/Fort Worth
20h 30m
2 stops
LHR18:30London Heathrow
21 Jan
LHR06:40London Heathrow
21h 03m
2 stops
DFW21:43Dallas/Fort Worth
£428
Find similar
Scandinavian Airlines
12 Jan
DFW16:00Dallas/Fort Worth
20h 30m
2 stops
LHR18:30London Heathrow
21 Jan
LHR10:20London Heathrow
19h 36m
2 stops
DFW23:56Dallas/Fort Worth
£429
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Iberia flights from Dallas to London Heathrow Airport

Our best Iberia deals on Dallas to London Heathrow Airport flight tickets
Iberia
15 Feb
DFW13:55Dallas/Fort Worth
20h 40m
1 stop
LHR16:35London Heathrow
23 Feb
LHR19:05London Heathrow
16h 25m
1 stop
DFW05:30Dallas/Fort Worth
£496
Find similar
Iberia
9 Nov
DFW20:40Dallas/Fort Worth
9h 00m
LHR11:40London Heathrow
25 Nov
LHR08:20London Heathrow
10h 25m
DFW12:45Dallas/Fort Worth
£551
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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 5 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

Fri 5/12

16:05-16:00

2 stops41h 55m

London Heathrow

Mon 8/12

06:40-23:14

2 stops22h 34m

£408

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 14/1

16:00-18:30

2 stops20h 30m

London Heathrow

Wed 21/1

06:40-21:43

2 stops21h 03m

£428

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 12/1

16:00-18:30

2 stops20h 30m

London Heathrow

Wed 21/1

10:20-23:56

2 stops19h 36m

£429

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Fri 23/1

13:40-16:20

2 stops20h 40m

London Heathrow

Sun 25/1

11:10-00:20

2 stops19h 10m

£462

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sat 6/12

10:31-14:35

2 stops22h 04m

London Heathrow

Mon 8/12

06:40-18:58

2 stops18h 18m

£464

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 15/2

13:55-16:35

1 stop20h 40m

London Heathrow

Mon 23/2

19:05-05:30

1 stop16h 25m

£496

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 3/12

18:37-11:40

1 stop11h 03m

London Heathrow

Wed 10/12

15:50-23:56

1 stop14h 06m

£541

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 3/12

14:00-11:40

1 stop15h 40m

London Heathrow

Wed 10/12

11:45-23:56

2 stops18h 11m

£549

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Wed 3/12

14:00-07:50

1 stop11h 50m

London Heathrow

Wed 10/12

15:50-23:56

1 stop14h 06m

£562

DallasLondon

DAL - LHR

DALLHR

Dallas Love Field

Thu 8/1

14:17-07:50

1 stop11h 33m

London Heathrow

Thu 15/1

08:55-17:51

1 stop14h 56m

£615

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 typical price of a round-trip flight between Dallas and London Heathrow Airport?

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 £590. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Dallas averaging around £600.

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 £648. 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 £869.

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 £696. 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 £740 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 £722 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 £643 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.
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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 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 £468Free CancellationRating
7.4
1,560 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £470Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
FinnairPriceFrom £473Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
American AirlinesPriceFrom £488Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
IberiaPriceFrom £555Free CancellationRating
7.0
3,006 reviews
Search Iberia flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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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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