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Cheap flights from London Heathrow Airport to Dallas from $361

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 12/11. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Dallas

Cheap round-trip flights

Multiple Airlines Logo
9:00 am - 1:58 pmLHR-DFW
34h 58m3 stops
Multiple Airlines Logo
6:50 pm - 7:10 amDFW-LHR
30h 20m2 stops
$653Multiple Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 15
Multiple Airlines Logo
11:10 am - 11:54 pmLHR-DFW
17h 44m2 stops
Multiple Airlines Logo
11:26 am - 11:20 amDFW-LHR
17h 54m2 stops
$655Multiple Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
JetBlue Logo
9:20 am - 10:35 amLHR-DFW
30h 15m1 stop
JetBlue Logo
1:00 pm - 6:55 amDFW-LHR
11h 55m1 stop
$696JetBlue
Find Deal
Wed, Oct 29 - Tue, Nov 4
Icelandair Logo
9:20 am - 10:35 amLHR-DFW
31h 15m1 stop
Icelandair Logo
1:00 pm - 6:55 amDFW-LHR
11h 55m1 stop
$712Icelandair
Find Deal
Wed, Nov 12 - Wed, Nov 19
JetBlue Logo
9:20 am - 12:05 pmLHR-DFW
32h 45m1 stop
JetBlue Logo
6:50 pm - 6:55 amDFW-LHR
30h 05m1 stop
$728JetBlue
Find Deal
Tue, Nov 4 - Sat, Nov 8
Icelandair Logo
9:20 am - 10:35 amLHR-DFW
31h 15m1 stop
Icelandair Logo
1:00 pm - 9:40 pmDFW-LHR
26h 40m2 stops
$732Icelandair
Find Deal
Wed, Nov 12 - Wed, Nov 19
Scandinavian Airlines Logo
6:40 am - 11:55 pmLHR-DAL
22h 15m2 stops
Scandinavian Airlines Logo
12:33 pm - 6:30 pmDAL-LHR
23h 57m2 stops
$765Scandinavian Airlines
Find Deal
Sat, Nov 1 - Mon, Dec 1
Scandinavian Airlines Logo
6:40 am - 11:55 pmLHR-DAL
22h 15m2 stops
Scandinavian Airlines Logo
3:59 pm - 4:00 pmDAL-LHR
18h 01m2 stops
$766Scandinavian Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
Virgin Atlantic Logo
11:20 am - 9:07 pmLHR-DAL
15h 47m1 stop
Virgin Atlantic Logo
10:04 am - 6:45 amDAL-LHR
14h 41m1 stop
$835Virgin Atlantic
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Mon, Sep 29 - Mon, Oct 6
Virgin Atlantic Logo
8:55 am - 5:54 pmLHR-DAL
13h 59m1 stop
Virgin Atlantic Logo
11:40 am - 6:25 amDAL-LHR
12h 45m1 stop
$842Virgin Atlantic
Find Deal
Wed, Oct 29 - Tue, Nov 4

JetBlue flights from London Heathrow Airport to Dallas

Our best JetBlue deals on London Heathrow Airport to Dallas flight tickets
JetBlue
Oct 29
LHR9:20 amLondon Heathrow
30h 15m
1 stop
DFW10:35 amDallas/Fort Worth
Nov 4
DFW1:00 pmDallas/Fort Worth
11h 55m
1 stop
LHR6:55 amLondon Heathrow
$696
Find similar
JetBlue
Nov 4
LHR9:20 amLondon Heathrow
32h 45m
1 stop
DFW12:05 pmDallas/Fort Worth
Nov 8
DFW6:50 pmDallas/Fort Worth
30h 05m
1 stop
LHR6:55 amLondon Heathrow
$728
Find similar
JetBlue
Nov 13
LHR9:20 amLondon Heathrow
31h 15m
1 stop
DFW10:35 amDallas/Fort Worth
Nov 17
DFW11:20 amDallas/Fort Worth
13h 35m
1 stop
LHR6:55 amLondon Heathrow
$729
Find similar

Icelandair flights from London Heathrow Airport to Dallas

Our best Icelandair deals on London Heathrow Airport to Dallas flight tickets
Icelandair
Nov 12
LHR9:20 amLondon Heathrow
31h 15m
1 stop
DFW10:35 amDallas/Fort Worth
Nov 19
DFW1:00 pmDallas/Fort Worth
11h 55m
1 stop
LHR6:55 amLondon Heathrow
$712
Find similar
Icelandair
Nov 12
LHR9:20 amLondon Heathrow
31h 15m
1 stop
DFW10:35 amDallas/Fort Worth
Nov 19
DFW1:00 pmDallas/Fort Worth
26h 40m
2 stops
LHR9:40 pmLondon Heathrow
$732
Find similar
Icelandair
Feb 25
LHR9:20 amLondon Heathrow
30h 51m
1 stop
DFW10:11 amDallas/Fort Worth
Mar 18
DFW11:00 amDallas/Fort Worth
14h 55m
1 stop
LHR6:55 amLondon Heathrow
$737
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 16, 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

Wed 11/5

9:00 am-1:58 pm

3 stops34h 58m

Dallas/Fort Worth

Sat 11/15

6:50 pm-7:10 am

2 stops30h 20m

$653

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 10/29

11:10 am-11:54 pm

2 stops17h 44m

Dallas/Fort Worth

Wed 11/5

11:26 am-11:20 am

2 stops17h 54m

$655

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 10/29

9:20 am-10:35 am

1 stop30h 15m

Dallas/Fort Worth

Tue 11/4

1:00 pm-6:55 am

1 stop11h 55m

$696

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 11/12

9:20 am-10:35 am

1 stop31h 15m

Dallas/Fort Worth

Wed 11/19

1:00 pm-6:55 am

1 stop11h 55m

$712

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 11/4

9:20 am-12:05 pm

1 stop32h 45m

Dallas/Fort Worth

Sat 11/8

6:50 pm-6:55 am

1 stop30h 05m

$728

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 11/12

9:20 am-10:35 am

1 stop31h 15m

Dallas/Fort Worth

Wed 11/19

1:00 pm-9:40 pm

2 stops26h 40m

$732

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 11/1

6:40 am-11:55 pm

2 stops22h 15m

Dallas Love Field

Mon 12/1

12:33 pm-6:30 pm

2 stops23h 57m

$765

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 11/1

6:40 am-11:55 pm

2 stops22h 15m

Dallas Love Field

Sat 11/15

3:59 pm-4:00 pm

2 stops18h 01m

$766

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 9/29

11:20 am-9:07 pm

1 stop15h 47m

Dallas Love Field

Mon 10/6

10:04 am-6:45 am

1 stop14h 41m

$835

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 10/29

8:55 am-5:54 pm

1 stop13h 59m

Dallas Love Field

Tue 11/4

11:40 am-6:25 am

1 stop12h 45m

$842

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between London Heathrow Airport and Dallas?

What is the cheapest month to fly to Dallas?

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 $858.

What is the cheapest day to depart on your flight to Dallas?

On average, the least expensive day to fly to Dallas from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $957. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,091.

What is the cheapest time of day to depart on your flight to Dallas?

Flying to Dallas from London Heathrow Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $980 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $1,093 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 $1,008 when searching weeks out. 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 $914 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 05m

Direct flights

Every day

Airports in Dallas

1 airport
The fastest flight from London Heathrow Airport to Dallas takes 10h 05m
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?

    There are 4733.2 mi between London Heathrow and Dallas. Flights usually cover this in 13h 09m, depending on flying conditions and air traffic around both airports.

  • 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Dallas 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 Dallas. It is always advisable to seek 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
American AirlinesPriceFrom $822Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $850Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
FinnairPriceFrom $887Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
IberiaPriceFrom $904Free CancellationRating
7.0
2,924 reviews
Search Iberia flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for London to Dallas flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Dallas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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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 Love Field Airport
Dallas/Fort Worth Airport