Take off on cheap flights from St Louis to Seattle, your adventure starts now!

Find cheap airline tickets from St Louis to Seattle by date

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  • month of return
$421
outward: Dec 22, 2018
1:00p STL » 5:51p SEA
Alaska Airlines direct (4h51m)
inbound: Dec 27, 2018
2:50a SEA » 6:30a STL
Alaska Airlines direct (3h40m)
Return
Departure
Find the cheapest St Louis Seattle flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for St Louis - Seattle with these new dates, click on an offer. Want to depart from another city? Choose: Las Vegas - Seattle New York - Seattle London - Seattle Miami - Seattle Chicago - Seattle San Francisco - Seattle See more routes

Airlines operating flights from St Louis to Seattle

  • any
  • September 2018
  • October 2018
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  • February 2019
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  • April 2019
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  • Alaska Airlines
  • Delta Air Lines
Alaska Airlines
outbound: Dec 22, 2018
Alaska Airlines direct
return: Dec 26, 2018
Alaska Airlines direct
Delta Air Lines
outbound: Dec 22, 2018
Delta Air Lines 1 stop
return: Dec 26, 2018
Delta Air Lines 1 stop

Travel tips for flights St Louis - Seattle

Average flight duration: 4h15m (direct flight)

  • Arrival city:
  • Seattle, USA
  • Airport(s):
  • Kenmore Air Harbor Seaplane Base (LKE)
  • Seattle–Tacoma International Airport (SEA)
  • Local time:
  • Sep 25, 2018 12:42 AM, GMT-7
  • Weather:
  • min. 52ºF, max. 66ºF
  • Departure city:
  • St Louis, USA
  • Airport(s):
  • St. Louis Downtown Airport (CPS)
  • Lambert–St. Louis International Airport (STL)
  • MidAmerica St. Louis Airport (BLV)
  • Spirit of St. Louis Airport (SUS)
  • Local time:
  • Sep 25, 2018 2:42 AM, GMT-5
  • Weather:
  • min. 81ºF, max. 89ºF