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Route: SEA → BOS · Great-circle distance · Actual flight time may vary by airline and routing.
Route Details
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Destination
About This Route
The Seattle to Boston route is a international flight connection between Seattle, USA and Boston, USA. As an international route, passengers should ensure they carry a valid passport and any required visas for their destination country.
Major full-service and low-cost carriers serve this route, including Air India and various international airlines depending on the season. Daily direct flights are available on this route, with additional connecting options via major hubs. For the most up-to-date schedules and seat availability, search on HappyFares.
To book the cheapest Seattle to Boston flights, visit HappyFares and compare fares across all available airlines in a single search. View all Seattle–Boston flights on HappyFares →
Frequently Asked Questions
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