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STL (St. Louis) to ONT (Ontario) Flights $307.6

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Cheap STL to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Orange County

$248.00

Interesting Facts About Flights from St. Louis to Ontario (STL to ONT)

Question : How long do most people stay in Ontario?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.

Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Tuesday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : What are the chances this flight will be delayed?
Answer : Passengers on the Saint Louis to Ontario route have been getting to their destination on time an incredible 100% of the time. When there is a delay, it averages less than 15 minutes.

Question : Is this route your best bet for getting to Ontario with minimal delays?
Answer : Using the combined on-time percentage and average delay breakdown, Saint Louis to Ontario currently has a 4 out of a possible 5 star rating. A 4-star rating means you should feel confident in getting to Ontario on time.

Question : How much should a trip from Saint Louis (STL) to Ontario (ONT) cost?
Answer : Flight prices change a lot more than the majority of routes in the United States for STL to ONT. They vary anywhere from $374 to $1,373. However, the sooner you book, the more you'll be able to save.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at Jul 14th. As of Jun 26th, it's showing the cheapest ticket sales at $404. That is 24% below the average price for this route, so you can spend that extra money on a fun experience in Ontario.

Question : Which airline is giving the best deals for round-trip flights from Lambert-St. Louis International Airport (STL) to Ontario International Airport (ONT)?
Answer : United Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $374 and, when compared to the high-end bookings of $1,373, it's quite a deal.