Cheap flights from Boston to Seattle
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Travel tip: Visit Seattle on your holidays!Check our current prices for flights from Boston to Seattle. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Boston to Seattle, you will need to run a search below.
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Cheap Seattle airfares from $247/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/14/2025, 08:30 am from Boston Logan (BOS) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 11:35 am. The flight time is 3 hours and 5 minutes. The Returning flight departes on 04/27/2025, 09:06 pm (other return dates are also available). Date posted: 13 Feb 2025
Price evolution for flights From Boston To Seattle
Recent Deals on Flights from Boston to Seattle:Roundtrip / Oneway
- $247
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 04/14/2025 08:30 am Seattle, WA (SEA) Boston, MA (BOS) 04/27/2025 09:06 pm - $401
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 04/14/2025 08:30 am Seattle, WA (SEA) Boston, MA (BOS) 04/27/2025 06:20 pm - $119 Spirit Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 03/05/2025 01:59 pm - $209
Sun Country Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 08/12/2025 11:34 am - $280 Spirit Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 03/16/2025 12:15 pm
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Know what to do when flying to Seattle?
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