Seattle to Boston Flights (SEA-BOS) from $122

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Selected fares from Seattle to Boston

The cheapest prices found with in the last 7 days for return flights were $244 and $122 for one-way flights to Boston for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun Country Airlines
American Airlines

Save more with Boston Flight + Hotel packages

Price found within the past 48 hours. Click for updated prices.
The Whitney Hotel
SpringHill Suites by Marriott Boston Logan Airport Revere Beach
YOTEL Boston
Battery Wharf Hotel, Boston Waterfront
XV Beacon
The Boston Hotel
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