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Cheap flights from London Heathrow Airport to Dallas from £480

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DFW
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in January or February, booked 85 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 18 July 2025.

Round-trip from

£533

One-way from

£480

Popular in

July

Cheapest in

January

Average price

£994
25/8-9/9
  • 25/8-9/9
  • 3 total stops
  • 43h 48m total
  • London to Dallas
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22/8
  • 22/8
  • 1 total stop
  • 35h 41m total
  • London to Dallas
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£109 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Heathrow to Dallas

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 18 July 2025.

Tue 9/908:25LHR - DFW
1 stop33h 33mIcelandair
Tue 23/912:55DFW - LHR
2 stops25h 50mIcelandair
Deal found 18/7£533
Wed 6/808:00LHR - DFW
2 stops30h 24mMultiple Airlines
Mon 18/810:26DFW - LHR
1 stop14h 19mMultiple Airlines
Deal found 16/7£535
Wed 1/1008:25LHR - DFW
1 stop33h 33mJetBlue
Wed 8/1012:55DFW - LHR
1 stop11h 35mJetBlue
Deal found 18/7£554
Mon 3/1113:25LHR - DFW
1 stop13h 34mAir Canada
Sat 15/1112:20DFW - LHR
1 stop12h 50mAir Canada
Deal found 18/7£577
Sat 30/806:40LHR - DAL
2 stops20h 21mScandinavian Airlines
Sat 6/911:54DAL - LHR
2 stops22h 06mScandinavian Airlines
Deal found 16/7£598
Mon 1/913:05LHR - DAL
1 stop14h 03mVirgin Atlantic
Mon 8/915:52DAL - LHR
2 stops32h 53mVirgin Atlantic
Deal found 18/7£662
Wed 1/1015:15LHR - DAL
1 stop14h 34mDelta
Thu 9/1012:01DAL - LHR
1 stop13h 14mDelta
Deal found 18/7£709

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 18 July 2025.
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

Tue 9/9

08:25-11:58

1 stop33h 33m

Dallas/Fort Worth

Tue 23/9

12:55-20:45

2 stops25h 50m

£533

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 6/8

08:00-08:24

2 stops30h 24m

Dallas/Fort Worth

Mon 18/8

10:26-06:45

1 stop14h 19m

£535

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Wed 1/10

08:25-11:58

1 stop33h 33m

Dallas/Fort Worth

Wed 8/10

12:55-06:30

1 stop11h 35m

£554

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Mon 3/11

13:25-20:59

1 stop13h 34m

Dallas/Fort Worth

Sat 15/11

12:20-07:10

1 stop12h 50m

£577

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 30/8

06:40-21:01

2 stops20h 21m

Dallas Love Field

Sat 6/9

11:54-16:00

2 stops22h 06m

£598

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Mon 1/9

13:05-21:08

1 stop14h 03m

Dallas Love Field

Mon 8/9

15:52-06:45

2 stops32h 53m

£662

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Wed 1/10

15:15-23:49

1 stop14h 34m

Dallas Love Field

Mon 6/10

12:01-06:45

1 stop12h 44m

£709

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 22/8

10:00-15:41

1 stop35h 41m

£480

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Sun 31/8

08:25-13:27

1 stop35h 02m

£530

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 18/9

21:10-23:49

3 stops32h 39m

£568

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 15 results
1
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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 11 July 2025.

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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of £737). Flying from London Heathrow Airport to Dallas in July is currently the most expensive (average of £1,076). 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 18 July 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Dallas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Dallas?

Use this chart to determine the cheapest time to fly return from Heathrow to Dallas. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Dallas flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 18 July 2025.

The most flights from LHR to A78 are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

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 18 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andAeromexico 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.
Delta
8.0
Very Good
7,958 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Delta
8.0
Very Good
7,958 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
KLM
7.8
Good
1,374 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Aeromexico
7.5
Good
1,713 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
JetBlue
7.3
Good
2,907 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

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.

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

    According to our current data, Icelandair (£553), Air Canada (£577), and Scandinavian Airlines (£598) offers the cheapest pricing from London Heathrow Airport to Dallas. You may be able to fly from London Heathrow Airport to Dallas for 26% 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?

    £551 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on WestJet and Scandinavian Airlines, with prices starting from £633 and £677, 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 (85%), Royal Jordanian (77%) and American Airlines (74%).

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

    While on average a flight from London Heathrow Airport to Dallas is generally £2,510, our data shows the cheapest flight currently is £507. When looking at the most popular route, (London Heathrow - Dallas/Fort Worth), you can expect to pay £519 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of £737). Flying from London Heathrow Airport to Dallas in July is currently the most expensive (average of £1,076). 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

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Alternative routes for Heathrow to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£432Average£556FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£445Average£622FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£456Average£596FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£465Average£742FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£470Average£801FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£472Average£856FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£486Average£625FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£487Average£871FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£499Average£748FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IberiaCheapest£549Average£827FlexibilityNo cancel feeOn-time77%
Search Iberia 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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