Cheap flights from Seattle to London
Flights from Seattle to London currently start at €261. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 10h 55m
Key facts
- Lowest fare
- €261 · Mon 7 Dec
- Direct flights
- No, with connections only
- Flight time
- 10h 55m
- Airlines
- Condor, United Airlines, WestJet, Icelandair
- Cheapest month
- December 2026
- Distance
- 7713 km
Round trip
One way
Questions people ask before they book
How much are flights from Seattle to London?
The lowest fare we currently show from Seattle to London is €261 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from Seattle to London?
Current cheap fares from Seattle to London include a connection. Search live results and filter by Direct in case a nonstop seat opens up.
Which airlines fly from Seattle to London?
Airlines showing fares on this route include Condor, United Airlines, WestJet, Icelandair. The cheapest airline is not always the one with a bag included.
How long is the flight from Seattle to London?
A typical itinerary from Seattle to London takes about 10h 55m, including connections when the cheapest fare is not direct.
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December 2026