Cheap flights from Seattle to Boston
The lowest fare found is €158. The cheapest month to fly is July.
Search live pricesSearch round-trip pricesLowest price by month
| July | €158 |
When is the cheapest time to fly from Seattle to Boston?
Fares are typically lowest in July, starting from €158.
Popular routes
- Seattle → Fort Lauderdale
- Seattle → Minneapolis
- Seattle → New York LaGuardia
- Seattle → Detroit
- Seattle → Philadelphia
- Seattle → Salt Lake City
- Seattle → San Diego
- Seattle → Baltimore
- Seattle → Tampa
- Seattle → Austin
- Seattle → Washington Dulles
- Seattle → Washington
Prices updated 2026-06-12