Cheap flights from London to Seattle
The lowest fare found is €481. The cheapest month to fly is August.
Search live pricesSearch round-trip pricesLowest price by month
| July | €507 |
| August | €481 |
When is the cheapest time to fly from London to Seattle?
Fares are typically lowest in August, starting from €481.
Popular routes
- London → Newark
- London → San Francisco
- London → Phoenix
- London → Houston
- London → Boston
- London → Fort Lauderdale
- London → Minneapolis
- London → New York LaGuardia
- London → Detroit
- London → Philadelphia
- London → Salt Lake City
- London → San Diego
Prices updated 2026-06-10