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Cheap flights from London Heathrow Airport to Dallas from $371

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 9/5. 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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Find the cheapest flights from London Heathrow Airport to Dallas

Cheap round-trip flights

Logo
6:00 am - 11:01 amLHR-DFW
35h 01m2 stops
Logo
5:05 am - 12:45 pmDFW-LHR
25h 40m2 stops
$646
Find Deal
Mon, Sep 15 - Tue, Sep 30
Logo
1:45 pm - 5:57 pmLHR-DFW
34h 12m3 stops
Logo
5:05 am - 5:45 pmDFW-LHR
30h 40m2 stops
$657
Find Deal
Thu, Sep 18 - Mon, Sep 22
Icelandair Logo
8:25 am - 11:49 amLHR-DFW
33h 24m1 stop
Icelandair Logo
12:45 pm - 8:45 pmDFW-LHR
26h 00m2 stops
$703Icelandair
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Tue, Sep 9 - Tue, Sep 23
JetBlue Logo
9:20 am - 10:35 amLHR-DFW
30h 15m1 stop
JetBlue Logo
11:20 am - 6:55 amDFW-LHR
13h 35m1 stop
$704JetBlue
Find Deal
Tue, Oct 28 - Tue, Nov 18
Icelandair Logo
8:25 am - 11:49 amLHR-DFW
33h 24m1 stop
Icelandair Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$708Icelandair
Find Deal
Wed, Sep 24 - Wed, Oct 8
JetBlue Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
JetBlue Logo
11:00 am - 6:55 amDFW-LHR
14h 55m1 stop
$714JetBlue
Find Deal
Wed, Sep 3 - Thu, Mar 26
Scandinavian Airlines Logo
6:40 am - 9:08 pmLHR-DAL
20h 28m2 stops
Scandinavian Airlines Logo
11:54 am - 5:40 pmDAL-LHR
23h 46m2 stops
$820Scandinavian Airlines
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Wed, Aug 27 - Wed, Sep 3
Scandinavian Airlines Logo
6:40 pm - 9:08 pmLHR-DAL
32h 28m2 stops
Scandinavian Airlines Logo
11:59 am - 4:00 pmDAL-LHR
22h 01m2 stops
$833Scandinavian Airlines
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Tue, Sep 9 - Tue, Sep 23
Virgin Atlantic Logo
6:15 am - 5:39 pmLHR-DAL
17h 24m2 stops
Virgin Atlantic Logo
11:59 am - 7:15 amDAL-LHR
13h 16m1 stop
$908Virgin Atlantic
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Wed, Sep 17 - Wed, Oct 1
Virgin Atlantic Logo
10:45 am - 8:42 pmLHR-DAL
14h 57m1 stop
Virgin Atlantic Logo
3:56 pm - 6:25 amDAL-LHR
32h 29m1 stop
$910Virgin Atlantic
Find Deal
Tue, Oct 28 - Sun, Nov 2

JetBlue flights from London Heathrow Airport to Dallas

Our best JetBlue deals on London Heathrow Airport to Dallas flight tickets
JetBlue
Oct 28
LHR9:20 amLondon Heathrow
30h 15m
1 stop
DFW10:35 amDallas/Fort Worth
Nov 18
DFW11:20 amDallas/Fort Worth
13h 35m
1 stop
LHR6:55 amLondon Heathrow
$704
Find similar
JetBlue
Sep 3
LHR8:25 amLondon Heathrow
33h 33m
1 stop
DFW11:58 amDallas/Fort Worth
Mar 26
DFW11:00 amDallas/Fort Worth
14h 55m
1 stop
LHR6:55 amLondon Heathrow
$714
Find similar
JetBlue
Aug 13
LHR8:25 amLondon Heathrow
34h 54m
1 stop
DFW1:19 pmDallas/Fort Worth
Aug 16
DFW6:10 pmDallas/Fort Worth
30h 20m
1 stop
LHR6:30 amLondon Heathrow
$931
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British Airways flights from London Heathrow Airport to Dallas

Our best British Airways deals on London Heathrow Airport to Dallas flight tickets
British Airways
Aug 6
LHR8:25 amLondon Heathrow
13h 45m
1 stop
DFW4:10 pmDallas/Fort Worth
Aug 11
DFW11:18 amDallas/Fort Worth
14h 02m
1 stop
LHR7:20 amLondon Heathrow
$1,016
Find similar
British Airways
Aug 7
LHR6:20 amLondon Heathrow
15h 50m
1 stop
DFW4:10 pmDallas/Fort Worth
Aug 12
DFW5:55 pmDallas/Fort Worth
9h 05m
LHR9:00 amLondon Heathrow
$1,022
Find similar
British Airways
Aug 5
LHR6:10 pmLondon Heathrow
28h 00m
1 stop
DFW4:10 pmDallas/Fort Worth
Aug 11
DFW6:46 pmDallas/Fort Worth
11h 44m
1 stop
LHR12:30 pmLondon Heathrow
$1,026
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 July 31, 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

Mon 9/15

6:00 am-11:01 am

2 stops35h 01m

Dallas/Fort Worth

Tue 9/30

5:05 am-12:45 pm

2 stops25h 40m

$646

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 9/18

1:45 pm-5:57 pm

3 stops34h 12m

Dallas/Fort Worth

Mon 9/22

5:05 am-5:45 pm

2 stops30h 40m

$657

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 9/9

8:25 am-11:49 am

1 stop33h 24m

Dallas/Fort Worth

Tue 9/23

12:45 pm-8:45 pm

2 stops26h 00m

$703

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 10/28

9:20 am-10:35 am

1 stop30h 15m

Dallas/Fort Worth

Tue 11/18

11:20 am-6:55 am

1 stop13h 35m

$704

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 9/24

8:25 am-11:49 am

1 stop33h 24m

Dallas/Fort Worth

Wed 10/8

12:55 pm-6:30 am

1 stop11h 35m

$708

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 9/3

8:25 am-11:58 am

1 stop33h 33m

Dallas/Fort Worth

Thu 3/26

11:00 am-6:55 am

1 stop14h 55m

$714

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 8/27

6:40 am-9:08 pm

2 stops20h 28m

Dallas Love Field

Wed 9/3

11:54 am-5:40 pm

2 stops23h 46m

$820

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Tue 9/9

6:40 pm-9:08 pm

2 stops32h 28m

Dallas Love Field

Tue 9/23

11:59 am-4:00 pm

2 stops22h 01m

$833

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 9/17

6:15 am-5:39 pm

2 stops17h 24m

Dallas Love Field

Wed 10/1

11:59 am-7:15 am

1 stop13h 16m

$908

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Tue 10/28

10:45 am-8:42 pm

1 stop14h 57m

Dallas Love Field

Sun 11/2

3:56 pm-6:25 am

1 stop32h 29m

$910

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 $859.

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 $961. 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 $1,096.

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 $1,030 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 $1,111 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 $1,006 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 $919 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

Best Price Found

$371

Fastest flight time

14h 02m

Direct flights

Every day

Airports in Dallas

2 airports
The best one-way flight to Dallas from London Heathrow Airport in the past 72 hours is $371. The best round-trip flight deal from London Heathrow Airport to Dallas found on momondo in the last 72 hours is $646.
The fastest flight from London Heathrow Airport to Dallas takes 14h 02m
Direct flights go from London Heathrow Airport to Dallas every day.
There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)
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  • How far is London Heathrow to Dallas by plane?

    There are 4733.2 mi between London Heathrow and Dallas. Flights usually cover this in 14h 03m, 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 $852Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
FinnairPriceFrom $887Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
IberiaPriceFrom $904Free CancellationRating
7.0
2,859 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