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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From $254 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Seattle airfares from $254/RT are provided by Cheapoair.com. Outbound flight is leaving on 11/18/2018, 11:40 am from Boston Logan (BOS) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 04:45 pm. The flight time is 5 hours and 5 minutes. The Returning flight departes on 11/29/2018, 09:30 pm (other return dates are also available). Date posted: 30 Sep 2018

Price evolution for flights From Boston To Seattle

Price overview for flights from Boston to Seattle

Recent Deals on Flights from Boston to Seattle:Roundtrip / Oneway

  • $254Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/18/201811:40 am
    Seattle, WA (SEA)Boston, MA (BOS)11/29/201809:30 pm
    cheapoair.com check price
  • $314United Airlines flight United Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/18/201805:00 am
    Seattle, WA (SEA)Boston, MA (BOS)11/29/201810:50 pm
    flightnetwork.com check price
  • $318United Airlines flight United Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/18/201805:00 am
    Seattle, WA (SEA)Boston, MA (BOS)11/29/201810:50 pm
    flyfar.ca check price
  • $376Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/18/201805:00 am
    Seattle, WA (SEA)Boston, MA (BOS)11/29/201809:30 pm
    flightnetwork.com check price
  • $381Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/18/201805:00 am
    Seattle, WA (SEA)Boston, MA (BOS)11/29/201806:45 am
    flyfar.ca check price
  • $378Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/25/201808:04 pm
    cheapoair.com check price
  • $435Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/25/201806:02 am
    cheapoair.com check price
  • $506Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/25/201807:00 am
    flightnetwork.com check price
  • $511Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/25/201807:00 am
    flyfar.ca check price
  • $580United Airlines flight United Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)11/25/201809:00 pm
    flightnetwork.com check price
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Know what to do when flying to Seattle?

Seattle Travel Guide Named after the Native American Chief Sealth, Seattle has a magnificent setting for a city with Lake Washington behind, the snowy peak of Mount Rainier in the distance and the shore of Elliott Bay at its feet. As you fly or drive into the city, [...]
Seattle History Archaeological evidence suggests that the area of Seattle, WA has been inhabited for at least 4,000 years.  The first known residents belonged to the Duwamish tribe.  They were a group of Native Americans who were living on the site that is now [...]
Seattle Sightseeing Seattle is a wonderful tourist destination with picturesque sights. It is one of the largest cities of the United States of America. The wonderful location of the city between Lake Washington and Puget Sound gives it a wonderful setting and [...]
Seattle Nightlife Seattle, Washington, United States is the largest city in terms of population. Being a beautiful port city, Seattle, WA US is ideally situated in the western region between the lake Washington and the Puget Sound. A major educational, cultural [...]
Seattle Pictures
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