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 $168 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Seattle airfares from $168/RT are provided by Cheapoair.com. Outbound flight is leaving on 11/01/2022, 07:53 pm from St. Louis Intl (STL) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 08:51 am. The flight time is 12 hours and 58 minutes. The Returning flight departes on 11/15/2022, 06:18 pm (other return dates are also available). Date posted: 18 Sep 2022

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

  • $168Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)11/01/202207:53 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)11/15/202206:18 pm
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  • $185Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)11/01/202207:53 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)11/15/202211:59 am
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  • $228Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)10/24/202209:45 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)10/30/202209:06 pm
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  • $231Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)10/24/202209:20 pm
    Seattle, WA (SEA)Saint Louis, MO (STL)10/30/202203:20 pm
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  • $258Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)10/06/202211:54 am
    Seattle, WA (SEA)Saint Louis, MO (STL)10/14/202210:23 pm
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  • $90Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)09/28/202211:39 pm
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  • $100Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)10/25/202207:53 pm
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  • $100Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)10/07/202211:13 pm
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  • $101Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)10/25/202209:20 pm
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  • $101Spirit Airlines flight Spirit Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Seattle, WA (SEA)09/28/202209:15 pm
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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 [...]
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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