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Search Cheap Flights from St Louis to Ontario

Book your flights from St Louis to Ontario at, and enjoy your journey hassle-free. OneTravel is a one-stop website for all your travel needs. From flight bookings, hotel packages, and vacation bookings to car rentals, we help you book everything with few clicks. OneTravel offers cheap airfares that help you save big. Book your St Louis to Ontario flights with OneTravel and save money like never before.

No matter whether you are making a personal trip or going for an official conference, whatever is the reason of travel, we are a one-stop website for all kinds of travel. Choose from different airlines, and book your flights to Ontario. From flights without layovers to ones that arrive early in the morning, we have them all. Choose the flight that meets your preference best. To know more, and for queries and assistance get in touch with our customer care available 24/7 to take care of all your travel needs.

    St Louis to Ontario Flight Route Facts

  • Which is the busiest month to travel from St Louis to Ontario?


  • Which is the least-busy month to travel from STL to ONT?


  • What is the travel distance between St Louis and Ontario?

    1,543 Miles

  • What are the top airlines offering flights from STL to ONT?

    Southwest Airlines

  • Which is the busiest day in terms of passengers flying from STL to ONT?


  • What percentage of St Louis to Ontario travelers were millennials?

    100% of Ontario travelers were millenials.

  • What percentage of St Louis to Ontario travelers were female?

    100% of Ontario travelers were female.

  • What was the average flight duration of flights from St Louis to Ontario?

    5.25 Hours

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