Book flight tickets from St. Louis to Ontario starting at INR 2,407
Whether you’re going for a one-way or round-trip to Ontario, we’ve got you covered! Check out these different flight options from St. Louis below.
- One way
- Round-trip
- STL22:3227h 7m1 stopONT23:39Tue, Oct 29|St. Louis - Ontario|Frontier AirlinesINR 2,407INR 5,98660% OFF60% OFFINR 5,986INR 2,407
- STL18:466h 58m1 stopONT23:44Sat, Dec 7|St. Louis - Ontario|Frontier AirlinesINR 4,554INR 5,98624% OFF24% OFFINR 5,986INR 4,554
- STL17:278h 37m1 stopONT00:04Wed, Nov 13|St. Louis - Ontario|Frontier AirlinesINR 4,589INR 5,98623% OFF23% OFFINR 5,986INR 4,589
- STL17:278h 37m1 stopONT00:04Wed, Nov 20|St. Louis - Ontario|Frontier AirlinesINR 4,589INR 4,589
- STL17:278h 37m1 stopONT00:04Wed, Nov 6|St. Louis - Ontario|Frontier AirlinesINR 4,636INR 4,636
- STL17:258h 39m1 stopONT00:04Sat, Nov 9|St. Louis - Ontario|Frontier AirlinesINR 4,636INR 4,636
- STL17:378h 27m1 stopONT00:04Tue, Nov 19|St. Louis - Ontario|Frontier AirlinesINR 4,636INR 4,636
- STL17:378h 27m1 stopONT00:04Tue, Nov 5|St. Louis - Ontario|Frontier AirlinesINR 4,707INR 4,707
- STL17:208h 38m1 stopONT23:58Sat, Nov 2|St. Louis - Ontario|Frontier AirlinesINR 4,790INR 4,790
- STL15:4917h 36m1 stopONT07:25Fri, Nov 1|St. Louis - Ontario|Frontier AirlinesINR 4,837INR 4,837
- STL13:003h 5mDirectONT14:00Mon, Nov 4|St. Louis - Ontario|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Find the best time to fly from St. Louis to Ontario
These price trend charts carefully monitor and predict how flight prices from St. Louis to Ontario will change. Keep a close eye on them to understand when the best time to buy your tickets is.
Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from St. Louis to Ontario.
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Alternative Routes from St. Louis to Ontario
Did you know that you can save money and time on an alternative route from St. Louis to Ontario? Check out some of the different available routes below.
- CheapestSTL22:3227h 7m1 transferONT23:39St.Louis Lambert International Airport - Ontario International AirportTue, Oct 29Frontier AirlinesINR 2,407
- STL22:3227h 7m1 transferONT23:39St.Louis Lambert International Airport - Ontario International AirportTue, Oct 29Frontier AirlinesINR 2,407Find More Flights
FAQ
How to find a cheap flight from St. Louis to Ontario
Flight Information from St. Louis to Ontario
Cheapest nonstop flight price | INR 2,406 |
---|---|
Cheapest round-trip ticket price | INR 18,557 |
Off-season for travel | October |
Peak season for travel | November |
Flight distance | 10,023.47 km |
Popular airline | Frontier Airlines |
Plan Your Trip Around Ontario
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