Cheap flights from Seattle to Boston

Bing travel utilizes over a billion airfares on a daily basis to bring you Price Predictors, and now we're using that data to uncover cheap flights from Seattle to Boston every day. Note that deals are compiled on yesterday's lowest airfares and can change often.

Featured flight deal from Seattle to Boston

• Seattle (SEA) to Boston (BOS)

  $245 less than average low on record

  $240

  Fares rising

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  See more: Low fares from Seattle to Boston

Lowest fares from Seattle to Boston

Use our flexible travel graph to find the lowest airfare from Seattle to Boston. Currently the cheapest flight you can find in the next 30 days from Seattle to Boston departs on 02/13/2012 and returns 02/15/2012 with a low fare of $240.

View complete flexible search for SEA to BOS (modify trip length and dates)