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Cheap flights from London Heathrow Airport to Dallas from £368

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in November or September, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Dallas

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Dallas
Explore the most affordable flight options available from Heathrow to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Wed 15/409:30
LHR
-
DFW
2 stops19h 39m
Multiple Airlines
Wed 29/405:50
DFW
-
LHR
2 stops21h 30m
Multiple Airlines
Deal found 21/3£639
Thu 30/418:05
LHR
-
DFW
3 stops35h 04m
Multiple Airlines
Thu 7/510:21
DFW
-
LHR
2 stops27h 34m
Multiple Airlines
Deal found 24/3£642
Thu 16/413:55
LHR
-
DFW
2 stops34h 53m
Multiple Airlines
Mon 27/405:45
DFW
-
LHR
3 stops28h 40m
Multiple Airlines
Deal found 23/3£645
Thu 16/407:05
LHR
-
DFW
2 stops20h 07m
Scandinavian Airlines
Sun 19/408:00
DFW
-
LHR
2 stops24h 35m
Scandinavian Airlines
Deal found 25/3£647
Thu 21/507:05
LHR
-
DFW
2 stops19h 59m
Scandinavian Airlines
Sat 6/608:10
DFW
-
LHR
2 stops43h 10m
Scandinavian Airlines
Deal found 24/3£647
Mon 20/407:05
LHR
-
DFW
2 stops20h 07m
Scandinavian Airlines
Mon 4/507:40
DFW
-
LHR
2 stops28h 00m
Scandinavian Airlines
Deal found 24/3£648
Mon 27/422:15
LHR
-
DFW
2 stops33h 42m
Multiple Airlines
Mon 11/507:50
DFW
-
LHR
1 stop16h 30m
Multiple Airlines
Deal found 25/3£649
Mon 27/407:05
LHR
-
DFW
2 stops20h 07m
Scandinavian Airlines
Mon 11/508:10
DFW
-
LHR
2 stops24h 25m
Scandinavian Airlines
Deal found 25/3£650
Mon 13/407:05
LHR
-
DFW
3 stops20h 07m
Multiple Airlines
Fri 17/410:21
DFW
-
LHR
2 stops22h 14m
Multiple Airlines
Deal found 26/3£650
Mon 13/407:05
LHR
-
DFW
3 stops29h 02m
Multiple Airlines
Mon 27/405:45
DFW
-
LHR
3 stops28h 40m
Multiple Airlines
Deal found 26/3£652
Wed 29/417:30
LHR
-
DFW
2 stops33h 42m
Scandinavian Airlines
Sat 9/508:10
DFW
-
LHR
2 stops24h 25m
Scandinavian Airlines
Deal found 26/3£653
Wed 18/1106:40
LHR
-
DAL
2 stops21h 52m
Scandinavian Airlines
Wed 2/1212:01
DAL
-
LHR
2 stops24h 29m
Scandinavian Airlines
Deal found 22/3£656

Find flight deals from Heathrow to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Dallas (A78). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 March 2026.

Round-trip from

£639

One-way from

£368

Popular in

July

Cheapest in

November

Average price

£790
15/4-29/4
  • 15/4-29/4
  • 4 total stops
  • 41h 09m total
  • London to Dallas
Search Deals
22/4
  • 22/4
  • 2 total stops
  • 46h 01m total
  • London to Dallas
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 26 March 2026.
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

Cheapest return flight

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 2/9

07:05-21:01

2 stops19h 56m

Dallas/Fort Worth

Wed 9/9

07:35-17:40

2 stops28h 05m

£685

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 21/5

06:40-00:35

3 stops23h 55m

Dallas/Fort Worth

Sat 6/6

08:10-14:35

2 stops24h 25m

£821

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 22/4

06:30-14:15

1 stop13h 45m

Dallas/Fort Worth

Tue 5/5

16:00-12:40

1 stop14h 40m

£853

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Tue 21/4

06:15-17:50

2 stops17h 35m

Dallas Love Field

Tue 12/5

12:22-06:25

1 stop12h 03m

£886

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 30/4

06:30-19:35

1 stop19h 05m

Dallas/Fort Worth

Mon 4/5

14:30-15:10

1 stop18h 40m

£887

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 29/4

21:25-23:30

2 stops32h 05m

Dallas Love Field

Sat 9/5

13:20-11:55

2 stops16h 35m

£887

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 23/4

06:30-14:15

1 stop13h 45m

Dallas/Fort Worth

Wed 6/5

16:00-12:40

1 stop14h 40m

£890

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 22/4

15:15-22:33

1 stop13h 18m

Dallas Love Field

Tue 5/5

18:40-13:15

1 stop12h 35m

£893

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 22/4

15:15-22:33

1 stop13h 18m

Dallas Love Field

Wed 6/5

12:25-06:25

1 stop12h 00m

£893

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 20/4

14:25-18:50

Nonstop10h 25m

Dallas/Fort Worth

Mon 4/5

19:40-10:55

Nonstop9h 15m

£894

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Dallas

How far ahead should I book a flight from London Heathrow Airport to Dallas?

Use this chart to determine the optimal time to book a return flight from Heathrow to Dallas. Price data was last updated on 13 March 2026.

The best time to book flights from London Heathrow Airport to Dallas is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of £382). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of £623). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to DFW?

Find hourly flight availability from Heathrow to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Dallas as you normally would.

How much does it cost for a return flight from London Heathrow Airport to Dallas?

How often are flights from London to Dallas delayed?

About 12% of weekly flights between London and Dallas have experienced delays in the past year, with the average delay time being 151 minutes.

What is the most punctual flight time for London to Dallas flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Dallas flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dallas. Reviews last updated 26 March 2026.
Read reviews from past customers who have flown with Finnair,Scandinavian Airlines, andAmerican Airlines from London Heathrow Airport to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,374 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.7

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.7
Good
1,374 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.7

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Scandinavian Airlines
7.3
Good
1,725 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.7

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
American Airlines
7.1
Good
11,502 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.7

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,156 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.7

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,822 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.7

Food

6.7

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Dallas?

    Departing from London Heathrow Airport to Dallas will take you 13h 45m. The distance between London Heathrow Airport and Dallas is about 4736 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Dallas round-trip?

    According to our current data, Spirit Airlines (£75), Virgin Atlantic (£419), and Lufthansa (£430) offers the cheapest pricing from London Heathrow Airport to Dallas. You may be able to fly from London Heathrow Airport to Dallas for 90% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London Heathrow Airport to Dallas one-way?

    £389 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Lufthansa and Virgin Atlantic, with prices starting from £498 and £535, respectively.

  • What are the most reliable airlines from London Heathrow Airport to Dallas?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Dallas are Royal Jordanian (87%), Gulf Air (81%) and Malaysia Airlines (80%).

  • What are the cheapest flights from London Heathrow Airport to Dallas?

    While on average a flight from London Heathrow Airport to Dallas is generally £1,892, our data shows the cheapest flight currently is £498. When looking at the most popular route, (London Heathrow - Dallas/Fort Worth), you can expect to pay £587 for that flight.

  • Can I find deals for flights from Heathrow to Dallas that include hotel bookings?

    Yes. In addition to deals on Heathrow to Dallas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Dallas.

  • Can I find deals for business class flights from Heathrow to Dallas?

    Yes. Cheapflights offers flight deals from Heathrow to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

    Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of £382). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of £623). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Heathrow to Dallas

Discover the top 10 airlines that operate flights from Heathrow to Dallas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest£75Average£112FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Virgin AtlanticCheapest£419Average£780FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£430Average£678FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£463Average£707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£472Average£613FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£501Average£637FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£513Average£743FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£516Average£910FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£527Average£687FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapest£538Average£683FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Dallas?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Dallas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Dallas?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Dallas for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Dallas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Dallas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Dallas become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Dallas flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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