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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

$243.60

Long Beach

$336.70

Los Angeles

$247.60

Burbank

$306.00

Cheap STL to ONT Flights

Question : In terms of overall promptness, how does STL to ONT rank compared to the rest of the world?
Answer : STL to ONT currently scores 4 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 4 stars, you should feel at ease about getting to Ontario on time.

Question : In the next four weeks, what day should you book your trip?
Answer : As of Dec 11th, the cheapest day to fly from Saint Louis to Ontario is Jan 9th. Tickets are currently being sold for $252, which is 52% below the average price for this route.

Question : Have you considered flying into John Wayne Airport instead of Ontario International Airport?
Answer : Luckily for you, there is another airport near Ontario. John Wayne Airport (SNA) is 30 miles away, and over the next two months flights are being booked 17% cheaper than flights to Ontario International Airport.

Question : Would you be willing to change your travel days if it saved you money?
Answer : For the month of December, the cheapest day to fly is Monday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : What is the cheapest round-trip ticket you can get to Ontario?
Answer : American Airlines is the leader in keeping prices down for their passengers over the next three months. Fares are being booked at just $252 and, when compared to the high-end bookings of $1,026, it's quite a deal.

Question : Are you paying the cheapest or highest price for your ticket to Ontario?
Answer : Prices for this trip tend to change less than other flights in the United States. They can range from $252 to $1,026. Remember, the sooner you book, the more you'll be able to save.

Question : How many days should you spend in Ontario?
Answer : Travelers from STL to ONT stay 10 days on average.

St. Louis to Los Angeles Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Los Angeles will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Los Angeles.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.