Cheap flights from Dallas/Fort Worth Airport to London Heathrow Airport from £351

DFW — LHR
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dallas/Fort Worth to London Heathrow are usually found in January or February, booked 85 days in advance, depart on a Monday or Wednesday 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

Mon 7/1211:23 -
2 stops17h 27m
Wed 23/1220:35 -
2 stops33h 43m
Deal found 6/11£657
Thu 3/1208:10 -
3 stops29h 20m
Sun 6/1220:35 -
2 stops32h 54m
Deal found 5/11£658
Thu 3/1208:10 -
3 stops29h 20m
Tue 8/1220:35 -
2 stops32h 54m
Deal found 6/11£659
Fri 4/1211:23 -
2 stops26h 07m
Tue 8/1212:15 -
3 stops31h 49m
Deal found 9/11£659
Tue 1/1208:03 -
2 stops29h 27m
Wed 9/1212:15 -
3 stops24h 47m
Deal found 9/11£662
Tue 1/1206:00 -
2 stops29h 00m
Mon 7/1217:10 -
2 stops30h 30m
Deal found 9/11£662
Mon 7/1207:28 -
2 stops21h 22m
Mon 14/1213:40 -
3 stops31h 54m
Deal found 6/11£663
Wed 9/1210:25 -
2 stops27h 05m
Tue 15/1206:00 -
2 stops24h 41m
Deal found 8/11£667
Tue 1/1208:10 -
3 stops20h 40m
Sun 13/1220:35 -
2 stops32h 54m
Deal found 5/11£668
Fri 4/1216:10 -
2 stops24h 20m
Sun 6/1211:20 -
1 stop37h 05m
Deal found 5/11£670
Sun 6/1207:28 -
2 stops21h 22m
Tue 15/1206:00 -
3 stops29h 36m
Deal found 6/11£671

Find flight deals from Dallas/Fort Worth to Heathrow

Round-trip from

£657

One-way from

£351

Popular in

June

Cheapest in

January

Average price

£890

Good round-trip deal

£861 or less

Good one-way deal

£372 or less
7/12-23/12
  • 7/12-23/12
  • 4 total stops
  • 51h 10m total
  • Dallas to London
11/12-31/12
  • 11/12-31/12
  • 2 total stops
  • 23h 25m total
  • Dallas to London
Highest demand for flights based on searches. 16% potential increase in price (£129 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in November 2026
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

 
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Sun 17/1

17:35-20:40

1 stop21h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£382

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Thu 14/1

13:50-15:20

1 stop19h 30m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£405

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Sun 17/1

20:10-14:55

1 stop36h 45m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£433

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Sat 16/1

20:10-09:45

1 stop31h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£462

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Tue 17/11

07:00-14:55

2 stops49h 55m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£488

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Sun 17/1

18:45-21:35

3 stops20h 50m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£513

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Sat 16/1

15:09-21:35

3 stops24h 26m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£528
Fastest return journey

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Sun 17/1

15:41-09:15

1 stop11h 34m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£575

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Thu 7/1

15:09-21:35

3 stops24h 26m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£592

DallasLondon

DFW Dallas/Fort Worth - LHR London Heathrow

DFWLHR

Dallas/Fort Worth

Tue 1/12

20:10-22:30

1 stop20h 20m

London Heathrow

Tue 16/2

11:20-18:25

1 stop37h 05m

£684

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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

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?

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 84 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, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £680). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £1,153). 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?

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

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

Airfare is below average for this route at the moment.

Dallas/Fort Worth Airport to London Heathrow Airport flights typically cost between £735 and £1,030 in December.
The cheapest return price found within the last 5 days was £657 on Multiple Airlines (7 Dec–23 Dec).

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Finnair,American Airlines, andIberia 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.

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.

Overall

7.6

Food

6.7

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Ronald,Sept 2023

SEA - LHR

Missed out on getting window seat. Middle not as comfortable for long flight.

Related info for your journey

  • 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 20h 20m. 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 Iberia. Our recent data shows that you can find tickets from as low as £577 on this airline. Additional options worth looking into are American Airlines and British Airways, starting at £643 and £647 round-trip. You may be able to fly from Dallas/Fort Worth Airport to London Heathrow Airport for 35% 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 Iberia, which is currently one of the cheapest options available, starting at £304. British Airways flights start at £305 while deals on American Airlines start at £350 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: Aer Lingus (77%), Royal Jordanian (76%), American Airlines( 75%).

  • 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 £324. On average you can expect to pay £652. The most popular route, (Dallas/Fort Worth - London Heathrow), can usually be booked for £673.

  • 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, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to London Heathrow Airport (average of £680). Flying from Dallas/Fort Worth Airport to London Heathrow Airport in June is currently the most expensive (average of £1,153). 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
Hounslow
Luton
Wembley
Milton Keynes
Gatwick
Slough
Ilford
Hayes
Folkestone
Eastbourne
Croydon
Barnet
Northampton
Southall
Southend-on-Sea
Enfield
Brentford
Dover
Harrow
Watford

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dallas/Fort Worth to Heathrow

Top 4 airlines flying from Dallas/Fort Worth to Heathrow

AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£577Average£974FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£643Average£1,336FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£647Average£977FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£707Average£972FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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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.

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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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