Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from Boston to Seattle is JetBlue Airways.
Cheapest Month
April
Travel Period: March 2025 - February 2026
The cheapest month(s) to fly from Boston to Seattle is April.
Cheapest Day of the Week
Thursday
The cheapest day(s) of the week to fly from Boston to Seattle is Thursday.
What’s the most popular airline flying from Boston to Seattle?
The most popular airline flying from Boston to Seattle is Alaska Airlines. Find the latest flight deals on Wego.
How far is Seattle from Boston?
The flight distance between Boston and Seattle is 4000km. Check all available flights on Wego.
Popular Airlines Flying From Boston to Seattle
Popular Destinations From Seattle
Popular Destinations From Boston
Popular Hotels in Seattle
- Palihotel Seattle
- Sonder The Boylston
- Crowne Plaza SEATTLE-DOWNTOWN
- Hilton Motif Seattle
- Fairmont Olympic Hotel - Seattle
- The Charter Hotel Seattle, Curio Collection by Hilton
- Seattle Downtown Lake Union
- La Quinta Inn & Suites by Wyndham Seattle Downtown
- The Westin Seattle
- Residence Inn Seattle Downtown/Lake Union