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 $461/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/06/2023, 06:45 pm from Boston Logan (BOS) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 12:44 pm. The flight time is 17 hours and 59 minutes. The Returning flight departes on 02/17/2023, 03:40 pm (other return dates are also available). Date posted: 16 Jan 2023
Price evolution for flights From Boston To Seattle

Recent Deals on Flights from Boston to Seattle:Roundtrip / Oneway
- $461
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 02/06/2023 06:45 pm Seattle, WA (SEA) Boston, MA (BOS) 02/17/2023 03:40 pm - $636
Sun Country Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 07/21/2023 11:30 am Seattle, WA (SEA) Boston, MA (BOS) 07/30/2023 11:59 pm - $758
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 07/21/2023 07:00 am Seattle, WA (SEA) Boston, MA (BOS) 07/30/2023 03:40 pm - $153
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 02/08/2023 09:51 am - $259
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 02/20/2023 11:00 am - $268
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 02/21/2023 05:20 am - $378
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Boston, MA (BOS) Seattle, WA (SEA) 02/26/2023 06:55 pm
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Know what to do when flying to Seattle?
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