$126 Cheap Flights from Rochester (ROC) to Ontario (ONT)

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Find available prices by choosing your travel dates.

Cheap Flights from Rochester to Ontario (ROC-ONT)

Prices were available within the past 7 days and start at $126 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
United
United
United
United
Southwest Airlines
United
JetBlue Airways
Delta

Frequently asked questions

How much does a flight from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Discover the latest flight deals from ROC to ONT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ROC to ONT?
The cheapest flights from ROC to ONT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ROC to ONT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ROC to ONT. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT)?
Nonstop flights from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from ROC to ONT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT)?
Book a flight from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Waiting until right before your break to book your flight from ROC to ONT often results in higher prices. While you may come across some last-minute discounts, they aren’t always guaranteed. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a ROC to ONT flight and hotel package?
Securing a ROC to ONT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greater Rochester Intl. Airport (ROC) to Los Angeles - Ontario Intl. Airport (ONT)?
If you booked your ROC to ONT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.
*Available to One Key members.