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Cheap flights from London Heathrow Airport to Dallas from $314

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 10/15. 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

Icelandair Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
Icelandair Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$566Icelandair
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 - 6:30 amDFW-LHR
11h 35m1 stop
$573Icelandair
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
$578Icelandair
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 - 6:30 amDFW-LHR
11h 35m1 stop
$586Icelandair
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 - 8:45 pmDFW-LHR
25h 50m2 stops
$592Icelandair
Find Deal
Thu, Sep 4 - Sun, Sep 14
Icelandair Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
Icelandair Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$596Icelandair
Find Deal
Thu, Sep 4 - Sun, Sep 14
JetBlue Logo
8:25 am - 10:35 amLHR-DFW
32h 10m1 stop
JetBlue Logo
6:45 pm - 5:55 amDFW-LHR
29h 10m1 stop
$600JetBlue
Find Deal
Mon, Nov 3 - Sat, Nov 15
JetBlue Logo
8:25 am - 5:12 pmLHR-DFW
14h 47m1 stop
JetBlue Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$615JetBlue
Find Deal
Sat, Aug 30 - Mon, Sep 15
JetBlue Logo
8:25 am - 11:58 amLHR-DFW
33h 33m1 stop
JetBlue Logo
12:55 pm - 6:30 amDFW-LHR
11h 35m1 stop
$631JetBlue
Find Deal
Thu, Sep 11 - Sun, Sep 14
Logo
6:00 am - 11:01 amLHR-DFW
35h 01m2 stops
Logo
8:10 am - 4:25 pmDFW-LHR
26h 15m2 stops
$634
Find Deal
Mon, Oct 6 - Sat, Oct 18

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

Our best Icelandair deals on London Heathrow Airport to Dallas/Fort Worth Airport flight tickets
Icelandair
Sep 9
LHR8:25 amLondon Heathrow
33h 33m
1 stop
DFW11:58 amDallas/Fort Worth
Sep 23
DFW12:55 pmDallas/Fort Worth
11h 35m
1 stop
LHR6:30 amLondon Heathrow
$566
Find similar
Icelandair
Sep 9
LHR8:25 amLondon Heathrow
33h 33m
1 stop
DFW11:58 amDallas/Fort Worth
Sep 23
DFW12:55 pmDallas/Fort Worth
11h 35m
1 stop
LHR6:30 amLondon Heathrow
$573
Find similar
Icelandair
Sep 9
LHR8:25 amLondon Heathrow
33h 33m
1 stop
DFW11:58 amDallas/Fort Worth
Sep 23
DFW12:55 pmDallas/Fort Worth
38h 35m
2 stops
LHR9:30 amLondon Heathrow
$578
Find similar

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
Nov 3
LHR8:25 amLondon Heathrow
32h 10m
1 stop
DFW10:35 amDallas/Fort Worth
Nov 15
DFW6:45 pmDallas/Fort Worth
29h 10m
1 stop
LHR5:55 amLondon Heathrow
$600
Find similar
JetBlue
Aug 30
LHR8:25 amLondon Heathrow
14h 47m
1 stop
DFW5:12 pmDallas/Fort Worth
Sep 15
DFW12:55 pmDallas/Fort Worth
11h 35m
1 stop
LHR6:30 amLondon Heathrow
$615
Find similar
JetBlue
Sep 11
LHR8:25 amLondon Heathrow
33h 33m
1 stop
DFW11:58 amDallas/Fort Worth
Sep 14
DFW12:55 pmDallas/Fort Worth
11h 35m
1 stop
LHR6:30 amLondon Heathrow
$631
Find similar

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 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 $855.

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 $951. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, 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 $1,114.

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 $1,044 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 $1,116 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 $1,001 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 $937 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.

Can stopping save me money on London Heathrow Airport to Dallas/Fort Worth Airport flights?

You could potentially save up to 23% on your flight if you consider stops on a London Heathrow Airport to Dallas/Fort Worth Airport flight.

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 6% 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

$314

Fastest flight time

14h 47m

Direct flights

Every day
The best one-way flight to Dallas/Fort Worth Airport from London Heathrow Airport in the past 72 hours is $314. The best round-trip flight deal from London Heathrow Airport to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $566.
The fastest flight from London Heathrow Airport to Dallas/Fort Worth Airport takes 14h 47m
Direct flights go from London Heathrow Airport to Dallas/Fort Worth Airport every day.
Search flight deals

  • 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 14h 47m 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
8,846 reviews
Search United Airlines flights
American AirlinesPriceFrom $822Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $848Free CancellationRating
6.6
7,109 reviews
Search British Airways flights
FinnairPriceFrom $883Free CancellationRating
7.6
1,312 reviews
Search Finnair flights
IberiaPriceFrom $904Free CancellationRating
7.0
2,826 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 1,312 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 $1,129 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
Irving
Frisco
Plano
Denton
Grand Prairie
Thackerville
Garland
McKinney
Richardson
Rockwall
Durant
Lewisville
Ardmore
Addison
Waxahachie
Cleburne
Allen

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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