Cheap flights from Ontario to Saint Louis

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

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From $319 / RT details

Book your flight now with FlyFar and save!

Cheap Saint Louis airfares from $319/RT are provided by FlyFar. Outbound flight is leaving on 04/26/2017, 05:30 am from Ontario Int`l (ONT) airport and arrives at St. Louis Intl (STL) at 12:20 pm. The flight time is 6 hours and 50 minutes. The Returning flight departes on 05/03/2017, 08:05 pm (other return dates are also available). Date posted: 30 Nov 2016

Price evolution for flights From Ontario To Saint Louis

Price overview for flights from Ontario to Saint Louis

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

  • $319Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)04/26/201705:30 am
    Saint Louis, MO (STL)Ontario, CA (ONT)05/03/201708:05 pm
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  • $320Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)04/26/201705:30 am
    Saint Louis, MO (STL)Ontario, CA (ONT)05/03/201708:05 pm
    flightnetwork.com check price
  • $422Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)06/13/201706:15 am
    Saint Louis, MO (STL)Ontario, CA (ONT)06/27/201705:40 pm
    flyfar.ca check price
  • $422Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)07/05/201704:25 pm
    Saint Louis, MO (STL)Ontario, CA (ONT)07/18/201705:40 pm
    flyfar.ca check price
  • $423Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)06/13/201706:15 am
    Saint Louis, MO (STL)Ontario, CA (ONT)06/27/201705:40 pm
    flightnetwork.com check price
  • $201United Airlines flight United Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)05/31/201701:15 pm
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  • $206Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)05/31/201705:30 am
    flyfar.ca check price
  • $207Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)05/31/201705:30 am
    flightnetwork.com check price
  • $214Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)05/31/201706:20 am
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  • $229Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)05/31/201706:20 am
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Know what to do when flying to Saint Louis?

Saint Louis Travel Guide In 1764, René Augusta Chouteau and Pierre Laclede established Saint Louis as a fur trading post, after Louis IX, the king of France. The Soulard Farmer’s Market, which was founded in 1779, is in operation till date and prides [...]
Saint Louis History   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 [...]
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