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Cheap Flights from Seattle to Boston

Prices were available within the past 7 days and starts at $57 for one-way flights and $122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Reviews from verified customers

Mar 21, 2020

Everything was great

Feb 15, 2020

Uneventful. Just like I like it!

Feb 13, 2020

It was really hard to scroll through the movie list. Please add up and down arrows to your interface.

Feb 12, 2020

Really friendly and helpful staff. Seats fairly comfy and enough leg room.

Feb 3, 2020

Loved the eye mask and earplugs! Missed the cozy blanket to keep you warm.

Jan 29, 2020

I would definitely fly Alaska Air again and recommend it.

Jan 26, 2020

I had a pretty relaxed flight thank you guys

Jan 24, 2020

Staff kept us well-informed about the delays.

Jan 18, 2020

Jet Blue is the greatest

Jan 13, 2020

flight was late by 2 hours

Seattle to Boston route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Logan Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, JetBlue Airways, Spirit Airlines, Sun Country Airlines, United
Flight Price $121
Distance 2,487 mi

Cheap SEA to BOS Flights