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

Flight

Airline name

Price

Type

Trip dates

Search date

Provider

Boston - Seattle/Tacoma Alaska Airlines $504 Return 20 to 30 May 50 days ago
Boston - Seattle/Tacoma Alaska Airlines $424 Return 19 to 30 May 58 days ago
Boston - Seattle/Tacoma Alaska Airlines $187 One-way 19 September 64 days ago
Boston - Seattle/Tacoma Alaska Airlines $188 One-way 14 November 71 days ago
Boston - Seattle/Tacoma Alaska Airlines $185 One-way 25 October 92 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
  • Thursday 23
    Min 8 °C
    Max 14 °C
  • Friday 24
    Min 6 °C
    Max 13 °C
  • Saturday 25
    Min 2 °C
    Max 12 °C
  • Sunday 26
    Min 6 °C
    Max 17 °C
  • Monday 27
    Min 6 °C
    Max 14 °C