Cheap flights from Saint Louis to Seattle

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Travel tip: Don't miss to visit Waterfall Park in the heart of old Seattle.

Check our current prices for flights from Saint Louis 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 Saint Louis to Seattle, you will need to run a search below.

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From $218 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Seattle airfares from $218/RT are provided by Cheapoair.com. Outbound flight is leaving on 09/09/2017, 04:05 pm from St. Louis Intl (STL) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 09:37 pm. The flight time is 5 hours and 32 minutes. The Returning flight departes on 09/16/2017, 10:55 am (other return dates are also available). Date posted: 26 Apr 2017

Price evolution for flights From Saint Louis To Seattle

Price overview for flights from Saint Louis to Seattle

Recent Deals on Flights from Saint Louis to Seattle:Roundtrip / Oneway

  • $218Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)09/09/201704:05 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)09/16/201710:55 am
    cheapoair.com check price
  • $218Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)09/09/201704:05 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)09/16/201710:55 am
    flyfar.ca check price
  • $219Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)09/09/201704:05 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)09/16/201710:55 am
    flightnetwork.com check price
  • $257Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)08/25/201707:35 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)08/29/201710:55 am
    flightnetwork.com check price
  • $268Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)08/25/201707:35 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)08/29/201710:55 am
    flyfar.ca check price
  • $176Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)07/31/201702:15 pm
    cheapoair.com check price
  • $179Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)07/31/201702:15 pm
    flyfar.ca check price
  • $185Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)07/31/201702:15 pm
    flightnetwork.com check price
  • $203United Airlines flight United Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)08/11/201707:00 am
    flighthub.com check price
  • $212United Airlines flight United Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)07/31/201704:32 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, [...]
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