Flights from London Heathrow to Dallas with Finnair

Our cheapest offers for flights from London Heathrow to Dallas

Here you can compare cheap flights from London Heathrow (LHR) to Dallas (DFW) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Dallas. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Dallas
Outbound
08/12/25
1 Stopover (HEL)
AY1336, AY0019
28h 55min
Return
24/12/25
direct
AY3762
09h 05min
Finnair
£683
London Heathrow
Dallas
Outbound
03/09/25
1 Stopover (HEL)
AY1332, AY0021
15h 00min
Return
10/09/25
1 Stopover (HEL)
AY0020, AY1341
23h 20min
Finnair
£1,016
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: London Heathrow - Dallas

Outbound and return from 637,97 £
Flight duration min. 10:25 / max. 12:18
Return flight duration min. 08:55/ max. 10:08
Distance 7635 km
Flights per week 40
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Dallas-Fort Worth International Airport, TX (DFW)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Dallas
Flight destinations with a similar price