Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from £257

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Dallas/Fort Worth to London Heathrow are usually found in September or October, booked 17 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Dallas/Fort Worth to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Dallas/Fort Worth to Heathrow
Explore the most affordable flight options available from Dallas/Fort Worth to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 30/1214:37DFW - LHR
1 stop11h 18mBrussels Airlines
Fri 9/109:10LHR - DFW
1 stop15h 18mBrussels Airlines
Deal found 10/12£604
Tue 30/1207:05DFW - LHR
2 stops18h 05mAir Canada
Fri 9/118:00LHR - DFW
1 stop33h 32mAir Canada
Deal found 10/12£619
Wed 31/1212:05DFW - LHR
1 stop12h 15mUnited Airlines
Fri 9/113:25LHR - DFW
1 stop14h 14mUnited Airlines
Deal found 10/12£624
Wed 31/1207:00DFW - LHR
2 stops18h 10mAir Canada
Fri 9/109:00LHR - DFW
2 stops42h 39mAir Canada
Deal found 10/12£627
Tue 30/1215:59DFW - LHR
1 stop12h 16mLufthansa
Thu 8/110:25LHR - DFW
1 stop13h 56mLufthansa
Deal found 10/12£635
Tue 30/1217:32DFW - LHR
3 stops33h 48mMultiple Airlines
Fri 9/113:25LHR - DFW
2 stops16h 55mMultiple Airlines
Deal found 10/12£638
Mon 29/1217:32DFW - LHR
3 stops35h 48mMultiple Airlines
Thu 8/113:25LHR - DFW
2 stops16h 55mMultiple Airlines
Deal found 10/12£640
Wed 10/1213:00DFW - LHR
1 stop11h 55mJetBlue
Sun 14/1209:20LHR - DFW
1 stop32h 45mJetBlue
Deal found 10/12£644
Wed 31/1214:37DFW - LHR
1 stop11h 18mMultiple Airlines
Thu 8/110:25LHR - DFW
1 stop13h 56mMultiple Airlines
Deal found 10/12£647
Wed 31/1215:59DFW - LHR
1 stop12h 16mUnited Airlines
Sat 10/113:25LHR - DFW
1 stop14h 14mUnited Airlines
Deal found 10/12£662
Wed 31/1212:20DFW - LHR
1 stop12h 50mAir Canada
Thu 8/112:05LHR - DFW
2 stops39h 27mAir Canada
Deal found 10/12£664

Find flight deals from Dallas/Fort Worth to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Heathrow (LHR). 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 12 December 2025.

Round-trip from

£521

One-way from

£257

Popular in

June

Cheapest in

September

Average price

£773

Good round-trip deal

£541 or less

Good one-way deal

£255 or less
10/1-17/1
  • 10/1-17/1
  • 3 total stops
  • 38h 56m total
  • Dallas to London
16/1
  • 16/1
  • 2 total stops
  • 25h 05m total
  • Dallas to London
Highest demand for flights based on searches. 22% potential increase in price (£151 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Dallas/Fort Worth to London Heathrow.
Price to beat on a one-way flight from Dallas/Fort Worth to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dallas/Fort Worth to Heathrow 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 12 December 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to London Heathrow Airport that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Heathrow

Route

Depart

Return

Price

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 27/4

08:45-14:35

2 stops23h 50m

London Heathrow

Tue 2/6

07:05-21:01

2 stops19h 56m

£530

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Tue 7/4

07:20-09:20

2 stops20h 00m

London Heathrow

Wed 15/4

06:40-22:54

2 stops22h 14m

£561

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 20/4

11:00-06:30

1 stop13h 30m

London Heathrow

Sat 2/5

08:25-18:07

1 stop15h 42m

£563

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 14/1

16:00-17:40

2 stops19h 40m

London Heathrow

Mon 19/1

07:05-00:27

3 stops23h 22m

£578

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 27/4

08:45-18:50

2 stops28h 05m

London Heathrow

Thu 30/4

06:40-00:09

3 stops23h 29m

£586

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 6/4

08:00-09:20

3 stops19h 20m

London Heathrow

Mon 13/4

06:40-23:31

2 stops22h 51m

£591

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Sun 19/4

15:34-11:35

1 stop14h 01m

London Heathrow

Wed 6/5

06:30-14:05

1 stop13h 35m

£593

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 6/4

07:20-17:40

2 stops28h 20m

London Heathrow

Fri 10/4

07:05-21:36

2 stops20h 31m

£598

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Mon 20/4

08:45-09:35

2 stops18h 50m

London Heathrow

Sat 2/5

06:40-23:31

2 stops22h 51m

£600

DallasLondon

DFW - LHR

DFWLHR

Dallas/Fort Worth

Wed 22/4

11:00-06:30

1 stop13h 30m

London Heathrow

Sat 2/5

08:25-18:07

1 stop15h 42m

£610

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 19 results
1
2

Best time to book a flight from Dallas/Fort Worth to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Dallas/Fort Worth 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 Dallas/Fort Worth Airport to London Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Dallas/Fort Worth to Heathrow. Price data was last updated on 5 December 2025.

The price you pay for your flight from Dallas/Fort Worth Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £300). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £698). 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 DFW to LHR?

Find hourly flight availability from Dallas/Fort Worth to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s optimal to fly from Dallas/Fort Worth Airport to London Heathrow Airport in the afternoon. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the morning.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 12 December 2025.
Get a feel of what it's like to fly with Finnair, American Airlines, andAir Canada from Dallas/Fort Worth Airport to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Overall

7.6

Crew

8.1

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Food

6.7

Overall

7.6

Crew

8.1

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Food

6.7

Overall

7.6

Crew

8.1

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Food

6.7

Overall

7.6

Crew

8.1

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Food

6.7

Overall

7.6

Crew

8.1

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Food

6.7

Overall

7.6

Crew

8.1

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Heathrow. 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 Dallas/Fort Worth Airport to London Heathrow Airport?

    Departing from Dallas/Fort Worth Airport to London Heathrow Airport will take you 13h 30m. The distance between Dallas/Fort Worth Airport and London Heathrow Airport is about 4736 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Our cheapest airline available from Dallas/Fort Worth Airport to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as £459 on this airline. Additional options worth looking into are Finnair and American Airlines, starting at £461 and £477 round-trip. You may be able to fly from Dallas/Fort Worth Airport to London Heathrow Airport for 34% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £219. British Airways flights start at £307 while deals on Iberia start at £308 one-way.

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

    Before booking your flight to London Heathrow Airport from Dallas/Fort Worth Airport, check out the most reliable airlines to get you to your destination on time: Royal Jordanian (69%), Malaysia Airlines (57%), Gulf Air( 52%).

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

    The cheapest flight price from Dallas/Fort Worth Airport to London Heathrow Airport is £153. On average you can expect to pay £2,034. The most popular route, (Dallas/Fort Worth - London Heathrow), can usually be booked for £420.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Heathrow 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 Dallas/Fort Worth Airport to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £300). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £698). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dallas/Fort Worth to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Dallas/Fort Worth to Heathrow

Discover the top 5 airlines that operate flights from Dallas/Fort Worth to Heathrow. 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£459Average£667FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£461Average£797FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£477Average£721FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest£500Average£1,244FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£542Average£655FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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

When you search for this flight from Dallas/Fort Worth to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Heathrow from Dallas/Fort Worth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dallas/Fort Worth to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Dallas/Fort Worth to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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