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 $348 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Seattle airfares from $348/RT are provided by Cheapoair.com. Outbound flight is leaving on 08/06/2018, 02:29 pm from Boston Logan (BOS) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 01:24 am. The flight time is 10 hours and 55 minutes. The Returning flight departes on 08/19/2018, 01:50 pm (other return dates are also available). Date posted: 15 Jul 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

  • $348Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)08/06/201802:29 pm
    Seattle, WA (SEA)Boston, MA (BOS)08/19/201801:50 pm
    cheapoair.com check price
  • $388Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)08/06/201809:56 pm
    Seattle, WA (SEA)Boston, MA (BOS)08/19/201801:50 pm
    cheapoair.com check price
  • $441Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)08/06/201802:29 pm
    Seattle, WA (SEA)Boston, MA (BOS)08/19/201808:12 pm
    flyfar.ca check price
  • $441Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)08/06/201802:29 pm
    Seattle, WA (SEA)Boston, MA (BOS)08/19/201808:12 pm
    flightnetwork.com check price
  • $606Sun Country Airlines flight Sun Country Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)08/06/201811:45 am
    Seattle, WA (SEA)Boston, MA (BOS)08/19/201811:59 pm
    flightnetwork.com check price
  • $171Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)07/27/201806:07 pm
    cheapoair.com check price
  • $221Jetblue Airways flight Jetblue Airways 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)07/27/201806:35 am
    cheapoair.com check price
  • $229Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)07/27/201802:29 pm
    flightnetwork.com check price
  • $233Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)07/27/201802:29 pm
    flyfar.ca check price
  • $277Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)Seattle, WA (SEA)07/27/201807:07 am
    flightnetwork.com check price
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Specify your search details. Browse the cheapest flights from Boston to Seattle, Seattle hotel rooms and Boston to Seattle vacation packages from the most popular providers, airline consolidators and travel search engines.

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
  • Seattle Doentown - Seattleview
  • Pioneer Square - Seattleview
  • Space Needle - Seattleview
  • Sunset - Seattleview

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