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
    flyfar.ca check price
  • $320Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)01/10/201703:40 pm
    Saint Louis, MO (STL)Ontario, CA (ONT)02/01/201706:05 am
    flyfar.ca check price
  • $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
  • $324Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)01/05/201705:50 am
    Saint Louis, MO (STL)Ontario, CA (ONT)01/18/201706:05 am
    flyfar.ca check price
  • $324Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)01/24/201706:00 am
    Saint Louis, MO (STL)Ontario, CA (ONT)01/31/201706:20 pm
    flightnetwork.com check price
  • $177American Airlines flight American Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)12/24/201602:23 pm
    faredepot.com check price
  • $216United Airlines flight United Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)12/24/201605:40 am
    flighthub.com check price
  • $237United Airlines flight United Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)12/24/201605:40 am
    faredepot.com check price
  • $261Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)12/24/201603:30 pm
    flyfar.ca check price
  • $262Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Saint Louis, MO (STL)12/24/201603:30 pm
    flightnetwork.com check price
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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 [...]
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