Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Dallas from £308

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in February or January, 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 2 February 2026.

Sun 15/308:00
LHR
-
DFW
1 stop16h 10m
Multiple Airlines
Sun 22/305:45
DFW
-
LHR
2 stops19h 35m
Multiple Airlines
Deal found 31/1£543
Mon 23/308:00
LHR
-
DFW
1 stop16h 10m
Multiple Airlines
Mon 30/314:33
DFW
-
LHR
1 stop13h 52m
Multiple Airlines
Deal found 1/2£546
Thu 26/213:25
LHR
-
DFW
3 stops34h 45m
Multiple Airlines
Tue 3/309:37
DFW
-
LHR
2 stops15h 33m
Multiple Airlines
Deal found 1/2£551
Sun 1/318:40
LHR
-
DFW
2 stops35h 10m
Multiple Airlines
Sun 8/307:50
DFW
-
LHR
2 stops22h 25m
Multiple Airlines
Deal found 31/1£551
Sun 22/320:00
LHR
-
DFW
1 stop33h 58m
Multiple Airlines
Thu 30/417:24
DFW
-
LHR
2 stops31h 21m
Multiple Airlines
Deal found 31/1£552
Mon 2/318:05
LHR
-
DFW
3 stops35h 45m
Multiple Airlines
Fri 6/320:40
DFW
-
LHR
3 stops35h 55m
Multiple Airlines
Deal found 31/1£553
Mon 2/317:20
LHR
-
DFW
1 stop18h 41m
Multiple Airlines
Mon 16/307:15
DFW
-
LHR
2 stops22h 40m
Multiple Airlines
Deal found 1/2£554
Fri 13/308:00
LHR
-
DFW
1 stop16h 10m
Multiple Airlines
Sun 22/314:33
DFW
-
LHR
1 stop14h 52m
Multiple Airlines
Deal found 31/1£556
Fri 20/211:10
LHR
-
DFW
2 stops19h 10m
Multiple Airlines
Sat 28/207:18
DFW
-
LHR
3 stops19h 12m
Multiple Airlines
Deal found 1/2£557
Sun 22/211:10
LHR
-
DFW
2 stops19h 10m
Multiple Airlines
Sun 8/309:37
DFW
-
LHR
2 stops16h 33m
Multiple Airlines
Deal found 31/1£560
Sat 14/207:40
LHR
-
DFW
2 stops28h 21m
Multiple Airlines
Tue 17/205:45
DFW
-
LHR
2 stops24h 05m
Multiple Airlines
Deal found 30/1£561
Wed 18/1106:40
LHR
-
DAL
2 stops21h 52m
Scandinavian Airlines
Wed 2/1212:01
DAL
-
LHR
2 stops21h 59m
Scandinavian Airlines
Deal found 31/1£602

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 2 February 2026.

Round-trip from

£543

One-way from

£308

Popular in

July

Cheapest in

February

Average price

£644
15/3-22/3
  • 15/3-22/3
  • 3 total stops
  • 35h 45m total
  • London to Dallas
Search Deals
3/3
  • 3/3
  • 3 total stops
  • 43h 55m total
  • London to Dallas
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£76 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 February 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 2 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Dallas that are best for you.

Fly from

Heathrow

Fly to

Dallas

Route

Depart

Return

Price

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 23/2

13:25-00:20

2 stops16h 55m

Dallas/Fort Worth

Sat 28/2

08:59-08:30

2 stops17h 31m

£561

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 4/3

06:40-21:43

2 stops21h 03m

Dallas/Fort Worth

Tue 17/3

08:00-16:25

3 stops27h 25m

£628

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 25/2

06:40-21:43

2 stops21h 03m

Dallas/Fort Worth

Wed 18/3

08:00-18:50

3 stops29h 50m

£628

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 2/3

06:40-22:31

3 stops21h 51m

Dallas Love Field

Mon 9/3

15:59-16:00

2 stops19h 01m

£629

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 6/3

06:40-21:43

2 stops21h 03m

Dallas/Fort Worth

Mon 9/3

08:00-16:00

2 stops27h 00m

£631

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 11/3

19:30-22:45

2 stops32h 15m

Dallas Love Field

Mon 23/3

12:12-18:30

2 stops25h 18m

£668

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 13/3

22:35-14:00

1 stop20h 25m

Dallas/Fort Worth

Sun 22/3

21:25-21:05

1 stop18h 40m

£716

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 13/3

22:35-14:00

1 stop20h 25m

Dallas/Fort Worth

Sat 21/3

15:45-14:55

1 stop18h 10m

£720

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Thu 12/3

22:35-19:40

1 stop26h 05m

Dallas/Fort Worth

Mon 23/3

21:35-21:05

1 stop18h 30m

£732

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 28/4

18:00-12:45

1 stop24h 45m

Dallas/Fort Worth

Wed 6/5

21:30-21:00

1 stop17h 30m

£744

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 41 results
1
2
3
...
5

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 30 January 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 £274). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of £621). 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 2 February 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.

Weekly flight availability from London Heathrow Airport to Dallas

Explore weekly flight availability from Heathrow to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 February 2026.

The most flights from LHR to A78 are scheduled on a Sunday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

How often are flights from London to Dallas delayed?

About 13% of weekly flights between London and Dallas have experienced delays in the past year, with the average delay time being 149 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 Saturday 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 11% 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 2 February 2026.
Read reviews from past customers who have flown with Finnair, Scandinavian Airlines, andIberia 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
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Food

6.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Food

6.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

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
1,676 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Food

6.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

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
3,101 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Food

6.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,758 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Food

6.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

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
7,710 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Food

6.7

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.9

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 16h 24m. The distance between London Heathrow Airport and Dallas is about 4732 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, Virgin Atlantic (£409), Lufthansa (£423), and Air Canada (£461) offers the cheapest pricing from London Heathrow Airport to Dallas. You may be able to fly from London Heathrow Airport to Dallas for 46% 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?

    £379 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 £503 and £522, 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 Malaysia Airlines (82%), Gulf Air (80%) and Royal Jordanian (76%).

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

    While on average a flight from London Heathrow Airport to Dallas is generally £1,788, our data shows the cheapest flight currently is £432. When looking at the most popular route, (London Heathrow - Dallas/Fort Worth), you can expect to pay £503 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 £274). Flying from London Heathrow Airport to Dallas in December is currently the most expensive (average of £621). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Heathrow to George Bush Intcntl flights
Heathrow to Austin flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Love Field flights
Gatwick to Hobby flights
London City to Dallas/Fort Worth flights
London City to Hobby flights
Gatwick to George Bush Intcntl flights
Stansted to Dallas/Fort Worth flights
London City to George Bush Intcntl flights
Stansted to George Bush Intcntl flights
Gatwick to Austin flights
London City to Austin flights
Gatwick to Love Field flights
Stansted to Austin flights
Luton to Dallas/Fort Worth flights
Heathrow to San Antonio flights
Gatwick to San Antonio flights
London City to Love Field flights
Heathrow to McAllen flights
London City to San Antonio flights
Heathrow to Midland flights
Gatwick to El Paso flights
Heathrow to El Paso flights
Heathrow to Corpus Christi flights
Heathrow to Longview flights
London City to McAllen flights
Heathrow to Brownsville flights
Heathrow to Killeen flights
London City to El Paso flights
London City to Brownsville flights
Heathrow to Amarillo flights
Southend to Austin flights
Heathrow to Harlingen flights
Southend to Dallas/Fort Worth flights
Heathrow to Waco flights
Heathrow to San Angelo flights

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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£409Average£755FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£423Average£607FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£461Average£672FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£464Average£685FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest£470Average£585FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£489Average£625FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
FinnairCheapest£490Average£703FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£503Average£887FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£510Average£671FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
American AirlinesCheapest£587Average£790FlexibilityNo cancel feeOn-time71%
Search American 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.