Find Cheap Flights from Boston to Seattle

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Cheap flights from Boston to Seattle from $153

Boston to Seattle
Jun 10­ – ­Jun 14
Spirit Airlines
Boston to Seattle
Jun 11­ – ­Jun 14
Spirit Airlines
Boston to Seattle
Jul 9­ – ­Jul 15
Spirit Airlines
Boston to Seattle
Jul 7­ – ­Jul 15
Spirit Airlines
Boston to Seattle
Aug 10­ – ­Aug 19
Spirit Airlines
Bargain Deal
Boston to Seattle
May 8­ – ­May 17
Super Deal
Boston to Seattle
Aug 10­ – ­Aug 15
Spirit Airlines
Bargain Deal
Boston to Seattle
Apr 11­ – ­Apr 17
Super Deal
Bargain Deal
Boston to Seattle
Apr 11­ – ­Apr 14
Super Deal

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