# London to Seattle flights

Page: https://www.routavio.com/flights/london-to-seattle

## About this route

Explore the fares we observed from London to Seattle. Prices move often, so pick your dates to see the latest options.

- Route distance: 7,700 km
- Fastest observed flight time: 10h 05m
- Airlines seen: Air France, Alaska Airlines, KLM, Air Canada, American Airlines, Icelandair, Lufthansa, Lufthansa City Airlines, United Airlines (9)
- Alternative airports: LCY, LGW, LTN, SEN, STN, BFI

- No recently checked fare for this route.

## Frequently asked

### How much is a flight from London to Seattle?

The lowest fare Routavio has observed is €411, found on 5 Nov 2026.

### Are there direct flights from London to Seattle?

Yes. Published schedules report non-stop flights on this route with Air France, Alaska Airlines, KLM, British Airways.

### Which airlines fly from London to Seattle?

Routavio has seen these carriers on the route: Air France, Alaska Airlines, KLM, Air Canada, American Airlines, Icelandair, Lufthansa, Lufthansa City Airlines, United Airlines (9).

### How long does the flight from London to Seattle take?

Across the 77 fares Routavio observed, the average journey time is 11h 38m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

### How many of the observed London to Seattle fares were non-stop?

68 of the 86 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

Route data last updated by Routavio on 12 November 2026