Cheap flights from Saint Louis to Seattle
Travel > North America > United States > Saint Louis to Seattle flights
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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Cheap Seattle airfares from $343/RT are provided by Flightnetwork. Outbound flight is leaving on 05/15/2018, 11:01 am from St. Louis Intl (STL) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 05:47 pm. The flight time is 6 hours and 46 minutes. The Returning flight departes on 05/22/2018, 12:10 pm (other return dates are also available). Date posted: 15 Jan 2018
Price evolution for flights From Saint Louis To Seattle

Recent Deals on Flights from Saint Louis to Seattle:Roundtrip / Oneway
- $343
Alaska Airlines
flightnetwork.com check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 05/15/2018 11:01 am Seattle, WA (SEA) Saint Louis, MO (STL) 05/22/2018 12:10 pm - $343
Alaska Airlines
flyfar.ca check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 05/15/2018 11:01 am Seattle, WA (SEA) Saint Louis, MO (STL) 05/22/2018 12:10 pm - $351
Major Airline
flyfar.ca check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 05/15/2018 01:45 pm Seattle, WA (SEA) Saint Louis, MO (STL) 05/22/2018 07:50 am - $353
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/12/2018 09:30 am Seattle, WA (SEA) Saint Louis, MO (STL) 06/20/2018 07:08 pm - $355
United Airlines
flyfar.ca check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/12/2018 04:35 pm Seattle, WA (SEA) Saint Louis, MO (STL) 06/20/2018 03:58 pm - $216
Alaska Airlines
flightnetwork.com check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/01/2018 06:02 am - $221
Alaska Airlines
flyfar.ca check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/01/2018 06:02 am - $241
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/01/2018 09:30 am - $247
United Airlines
flyfar.ca check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/01/2018 04:29 pm - $257
United Airlines
flightnetwork.com check priceFrom To Departure Time Saint Louis, MO (STL) Seattle, WA (SEA) 06/01/2018 04:29 pm
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Know what to do when flying to Seattle?
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