Cheap flights from Washington to Saint Louis

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Saint Louis, which belongs to the state of Missouri, is the second largest city in the state and has a rich history behind it. The city traces its roots back to the year 1763. It was founded by Pierre LaClede. He founded the city as a place for fur trade. The city was named Saint Louis in honor of the French king, Louis XV, and the saint, Louis IX whom he patronized.... (read more in our Saint Louis History)

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Seattle 

Check our newest flight offers to Saint Louis:

  • $234Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Saint Louis, MO (STL)05/02/201711:00 am
    Saint Louis, MO (STL)Seattle, WA (SEA)05/09/201701:50 pm
    cheapoair.com check price
  • $235Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Saint Louis, MO (STL)05/02/201711:00 am
    Saint Louis, MO (STL)Seattle, WA (SEA)05/09/201701:50 pm
    flyfar.ca check price
  • $236Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Saint Louis, MO (STL)05/02/201711:00 am
    Saint Louis, MO (STL)Seattle, WA (SEA)05/09/201701:50 pm
    flightnetwork.com check price
  • $273Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Saint Louis, MO (STL)05/02/201712:25 pm
    Saint Louis, MO (STL)Seattle, WA (SEA)05/09/201701:50 pm
    flyfar.ca check price
  • $274Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Saint Louis, MO (STL)05/02/201708:45 am
    Saint Louis, MO (STL)Seattle, WA (SEA)05/09/201701:50 pm
    flightnetwork.com check price
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Multiple AirlinesDenver To Calgary Multiple Airlines airfares from Denver in July
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