Cheap flights from Seattle to London
The lowest fare found is €229. The cheapest month to fly is December.
Search live pricesSearch round-trip pricesLowest price by month
| July | €233 |
| December | €229 |
When is the cheapest time to fly from Seattle to London?
Fares are typically lowest in December, starting from €229.
Popular routes
- Seattle → Denver
- Seattle → Istanbul
- Seattle → Los Angeles
- Seattle → Chicago
- Seattle → New Delhi
- Seattle → Shanghai
- Seattle → Paris
- Seattle → New York
- Seattle → Jakarta
- Seattle → Bangkok
- Seattle → Seoul
- Seattle → Guangzhou
Prices updated 2026-06-12