Finnair flights from Las Vegas Harry Reid (LAS) to London Heathrow (LHR).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 20:55 Las Vegas Harry Reid (LAS) 3 14:50 London Heathrow (LHR) 5
Finnair AY 5434 Non-stop Airbus A350-1000 (351) 9:55 Valid until 2026-03-07
Codeshare flight, operated by British Airways.(BA 274)
The flight arrives 1 day after departure.
Daily 21:55 Las Vegas Harry Reid (LAS) 3 14:50 London Heathrow (LHR) 5
Finnair AY 5434 Non-stop Airbus A350-1000 (351) 9:55 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by British Airways.(BA 274)
The flight arrives 1 day after departure.
Daily 21:55 Las Vegas Harry Reid (LAS) 3 14:50 London Heathrow (LHR) 5
Finnair AY 5434 Non-stop Airbus A350-1000 (351) 9:55 Effective from 2026-10-24
Codeshare flight, operated by British Airways.(BA 274)
The flight arrives 1 day after departure.
Daily 22:10 Las Vegas Harry Reid (LAS) 3 16:05 London Heathrow (LHR) 5
Finnair AY 5434 Non-stop Airbus A350-1000 (351) 9:55 Effective 2026-03-28 through 2026-10-23
Codeshare flight, operated by British Airways.(BA 274)
The flight arrives 1 day after departure.
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Parallax here LAS-LHR




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Finnair flights from Las Vegas Harry Reid (LAS) to London Heathrow (LHR).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY5434
20:55
Las Vegas Harry Reid (LAS) 3

14:50(+1)
London Heathrow (LHR) 5
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 274)
Duration: 9:55, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5434
21:55
Las Vegas Harry Reid (LAS) 3

14:50(+1)
London Heathrow (LHR) 5
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 274)
Duration: 9:55, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5434
21:55
Las Vegas Harry Reid (LAS) 3

14:50(+1)
London Heathrow (LHR) 5
Effective from 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 274)
Duration: 9:55, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY5434
22:10
Las Vegas Harry Reid (LAS) 3

16:05(+1)
London Heathrow (LHR) 5
Effective 2026-03-28 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by British Airways. (BA 274)
Duration: 9:55, non-stop
Airbus A350-1000 (351)
The flight arrives 1 day after departure.
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Parallax here LAS-LHR
  • An international route departing from Las Vegas Harry Reid airport, United States (LAS) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 5213 miles, or 8390 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC+0 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time is 9:55.
All LAS-LHR flights
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Return (LHR-LAS) flights
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