Flights
Flights from Seattle to Boston
Compare live fares from Seattle to Boston and book in a few steps.
Recent fares from Seattle to Boston
Airlines that fly nonstop from Seattle to Boston
Alaska AirlinesSEA to BOSLast seen November 4, 2026
Where to stay in Boston
Compare hotel prices in Boston and book your stay with the same account.
Questions about flights from Seattle to Boston
Yes. In the last 30 days, our searches found nonstop flights on this route with Alaska Airlines.
On most airlines you can pick your seat on the plane map and add bags during checkout, with every price shown before you pay.