Cheap Flights from Princeton (PCT) to Ontario (ONO)

Popular airlines from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal)

Frequently asked questions

How much does a flight from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal) cost?
Lock in a cheap one-way flight or cheap return flight from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal)?
The cheapest month to fly from PCT to ONO is , when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PCT to ONO flight.
How many flights per day from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal)?
There are no daily nonstop flights available from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PCT to ONO?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal)?
Select a flight from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures 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 Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Last-minute fares from PCT to ONO are usually more expensive. To secure the lowest rates, start searching for flights as early as possible. That said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a PCT to ONO flight and hotel package?
Booking a PCT to ONO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Princeton, NJ (PCT) to Ontario, OR (ONO-Ontario Municipal)?
If you reserved your PCT to ONO 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 fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Princeton
Destination airport
Ontario Municipal
Distance
2156 mi

Book with confidence

Princeton to Ontario Flights

The cheapest times to fly from Princeton to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Princeton to Ontario are during the month of . You can find some of the cheapest flights from Princeton to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Princeton to Ontario

Sunday is one of the best days to book for cheap flights from Princeton to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Princeton to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Princeton to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Princeton to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Princeton to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Princeton to Ontario Flights

Explore a world of travel with Expedia

*Available to One Key members.