Flights Boston to Seattle/Tacoma

Find cheap Boston - Seattle/Tacoma flights with our free flight search engine. Compare all available fares for direct flights to Seattle/Tacoma. Search and find the best fares and deals for Boston to Seattle/Tacoma flights. Find your cheap flight to Seattle/Tacoma (SEA) among many online travel agencies, traditional airlines as well as low cost carriers.

Jetcost is a price comparison service for flights to Seattle/Tacoma airport. You can also compare hotels in Seattle/Tacoma and Seattle/Tacoma car rentals.

Recent flight searches Boston - Seattle/Tacoma


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Boston - Seattle/Tacoma Alaska Airlines $168 One-way 10 January 40 days ago
Boston - Seattle/Tacoma United Airlines $164 One-way 28 February 100 days ago
Boston - Seattle/Tacoma JetBlue $219 One-way 03 January 201 days ago
Compare flights from Boston to Seattle/Tacoma on regular or low cost flights and find the best BOS - SEA flight prices on Jetcost.
Weather forecast for Seattle/Tacoma
  • Monday 5
    Min 7 °C
    Max 19 °C
  • Tuesday 6
    Min 9 °C
    Max 18 °C
  • Wednesday 7
    Min 9 °C
    Max 18 °C
  • Thursday 8
    Min 9 °C
    Max 18 °C
  • Friday 9
    Min 10 °C
    Max 22 °C