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Cheap flights from London Heathrow Airport to Dallas from $191

This is the cheapest round-trip 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 9/2. 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

JetBlue Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
JetBlue Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$191JetBlue
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Tue, Sep 2 - Wed, Sep 10
Logo
6:40 pm - 12:02 amLHR-DFW
35h 22m2 stops
Logo
3:23 pm - 9:40 pmDFW-LHR
24h 17m2 stops
$620
Find Deal
Mon, Nov 3 - Sat, Nov 15
Logo
9:55 am - 11:01 amLHR-DFW
31h 06m2 stops
Logo
8:10 am - 5:50 amDFW-LHR
15h 40m1 stop
$625
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Tue, Sep 30 - Tue, Oct 21
Logo
8:50 pm - 6:19 pmLHR-DFW
51h 29m2 stops
Logo
7:04 pm - 7:45 pmDFW-LHR
18h 41m1 stop
$639
Find Deal
Tue, Sep 16 - Fri, Sep 19
Logo
8:05 pm - 10:17 pmLHR-DFW
32h 12m2 stops
Logo
5:05 am - 12:40 pmDFW-LHR
25h 35m2 stops
$645
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Mon, Sep 15 - Wed, Sep 24
Logo
8:50 pm - 11:01 amLHR-DFW
44h 11m2 stops
Logo
7:00 pm - 7:45 pmDFW-LHR
18h 45m1 stop
$647
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Mon, Sep 22 - Thu, Sep 25
United Airlines Logo
3:50 pm - 7:27 pmLHR-DFW
33h 37m1 stop
United Airlines Logo
2:25 pm - 8:25 amDFW-LHR
36h 00m2 stops
$673United Airlines
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Thu, Oct 23 - Sat, Oct 25
United Airlines Logo
3:50 pm - 7:07 pmLHR-DFW
33h 17m1 stop
United Airlines Logo
2:10 pm - 7:25 amDFW-LHR
35h 15m2 stops
$674United Airlines
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Thu, Aug 14 - Sat, Aug 16
Icelandair Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
Icelandair Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$701Icelandair
Find Deal
Tue, Sep 9 - Tue, Sep 23
Icelandair Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
Icelandair Logo
12:55 pm - 9:30 amDFW-LHR
38h 35m2 stops
$715Icelandair
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Tue, Sep 9 - Tue, Sep 23

JetBlue flights from London Heathrow Airport to Dallas/Fort Worth Airport

Our best JetBlue deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
JetBlue
Sep 2
LHR8:25 amLondon Heathrow
33h 33m
1 stop
DFW11:58 amDallas/Fort Worth
Sep 10
DFW12:55 pmDallas/Fort Worth
11h 35m
1 stop
LHR6:30 amLondon Heathrow
$191
Find similar
JetBlue
Jul 24
LHR8:25 amLondon Heathrow
35h 02m
1 stop
DFW1:27 pmDallas/Fort Worth
Jul 30
DFW2:05 pmDallas/Fort Worth
34h 25m
1 stop
LHR6:30 amLondon Heathrow
$1,102
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United Airlines flights from London Heathrow Airport to Dallas/Fort Worth Airport

Our best United Airlines deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
United Airlines
Oct 23
LHR3:50 pmLondon Heathrow
33h 37m
1 stop
DFW7:27 pmDallas/Fort Worth
Oct 25
DFW2:25 pmDallas/Fort Worth
36h 00m
2 stops
LHR8:25 amLondon Heathrow
$673
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United Airlines
Aug 14
LHR3:50 pmLondon Heathrow
33h 17m
1 stop
DFW7:07 pmDallas/Fort Worth
Aug 16
DFW2:10 pmDallas/Fort Worth
35h 15m
2 stops
LHR7:25 amLondon Heathrow
$674
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United Airlines
Aug 14
LHR4:40 pmLondon Heathrow
33h 23m
1 stop
DFW8:03 pmDallas/Fort Worth
Aug 16
DFW8:03 pmDallas/Fort Worth
36h 07m
1 stop
LHR2:10 pmLondon Heathrow
$679
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See travel insights to Dallas from

How to get the cheapest flight ticket from London Heathrow Airport to Dallas/Fort Worth 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 London Heathrow Airport and Dallas/Fort Worth Airport?

What is the cheapest month to fly to Dallas/Fort Worth Airport?

The cheapest month to fly to Dallas/Fort Worth Airport from London Heathrow Airport is in January. Flight prices, which tend to average around $845, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in January, then February is your next best option. Flight prices from London Heathrow Airport to Dallas/Fort Worth Airport during February average around $858.

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

On average, the least expensive day to fly to Dallas/Fort Worth Airport from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $958. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Dallas/Fort Worth Airport for around $1,094.

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

Flying to Dallas/Fort Worth Airport from London Heathrow Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,037 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,108 on average. Flights to Dallas/Fort Worth Airport from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest London Heathrow to Dallas/Fort Worth flight route?

Fly from London Heathrow to Dallas/Fort Worth for the best London Heathrow - Dallas/Fort Worth flight prices

How far in advance should I book a flight to Dallas/Fort Worth Airport?

You are more likely to see cheaper flights to Dallas/Fort Worth Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport 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/Fort Worth Airport from London Heathrow Airport for as low as $917 on momondo.

What cabin class options are available on London Heathrow to Dallas/Fort Worth flights?

There are 4 cabin classes available to choose from on London Heathrow to Dallas/Fort Worth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Dallas/Fort Worth Airport flight prices changed over time?

As of July 2025, prices for London Heathrow Airport to Dallas/Fort Worth Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Dallas/Fort Worth Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Dallas/Fort Worth Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Dallas/Fort Worth Airport (LHR to DFW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Dallas/Fort Worth Airport

Best Price Found

$306

Fastest flight time

15h 57m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from London Heathrow Airport in the past 72 hours is $306. The best round-trip flight deal from London Heathrow Airport to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $191.
The fastest flight from London Heathrow Airport to Dallas/Fort Worth Airport takes 15h 57m
Direct flights go from London Heathrow Airport to Dallas/Fort Worth Airport every day.
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  • How far is London Heathrow to Dallas/Fort Worth by plane?

    The straight-line distance from London Heathrow to Dallas/Fort Worth is 4736.3 mi. Typically, this will take 15h 57m by plane in normal conditions.

  • When did momondo last update prices for flights from London Heathrow Airport to Dallas/Fort Worth Airport?

    Prices for flights from London Heathrow Airport to Dallas/Fort Worth Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Dallas/Fort Worth Airport?

  • How old do you have to be to fly from London Heathrow Airport to Dallas/Fort Worth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Dallas/Fort Worth Airport.

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The required travel and health documents for your Dallas/Fort Worth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dallas/Fort Worth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Dallas/Fort Worth Airport?

  • What is the most popular airline from London Heathrow Airport to Dallas/Fort Worth Airport?

Best airlines flying from London Heathrow Airport to Dallas/Fort Worth Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Dallas/Fort Worth Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $809Free CancellationRating
7.4
8,864 reviews
Search United Airlines flights
American AirlinesPriceFrom $822Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $851Free CancellationRating
6.6
7,151 reviews
Search British Airways flights
FinnairPriceFrom $883Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
IberiaPriceFrom $904Free CancellationRating
7.0
2,841 reviews
Search Iberia flights

  • Finnair Flights From London Heathrow Airport to Dallas/Fort Worth Airport

    Finnair flies from London Heathrow Airport to Dallas/Fort Worth Airport around 31 times per week, with 1,316 momondo users rating the airline 7.6/10. The cheapest Finnair deal from London Heathrow Airport to Dallas/Fort Worth Airport in the last 72 hours was $883 (round-trip), much lower than the average airfare cost of $1,114 for Finnair flights on this route.

  • American Airlines Flights From London Heathrow Airport to Dallas/Fort Worth Airport

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from London Heathrow Airport to Dallas/Fort Worth Airport about 31 times each week, with ticket deals ranging from $822 to $1,100. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fort Worth
Arlington
Grapevine
Frisco
Irving
Plano
Denton
Grand Prairie
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Garland
McKinney
Rockwall
Richardson
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Lewisville
Ardmore
Addison
Waxahachie
Allen
Granbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Dallas for you.

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

Yes. All flights to Dallas from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Dallas from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Dallas right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Dallas, momondo offers a useful price alert feature which will track prices for flights to Dallas from London and alert you when they change.

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