Cheap Flights from Phoenix (PHX) to Ontario (ONO)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal)

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal) cost?
Lock in a cheap one-way flight or cheap return flight from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal)?
is the least expensive month to fly from PHX to ONO. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PHX to ONO flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal)?
You'll need to hop on a flight with a layover if you're traveling from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PHX to ONO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based 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 Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal)?
To avoid possible delays on the Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal) route, aim to fly before 3 PM. Departures after this time are 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.
What airports do you fly into for Ontario from Sky Harbor Intl. Airport (PHX)?
Boise Airport (BOI) is the only airport in Ontario with direct flights from Sky Harbor Intl. Airport (PHX). Explore your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Booking your flight from PHX to ONO just before your getaway is generally more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a PHX to ONO flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to ONO flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Ontario, OR (ONO-Ontario Municipal)?
In most cases, you're able to cancel or reschedule your PHX to ONO flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, go to our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Ontario Municipal
Distance
785 mi

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Phoenix to Ontario Flights

The cheapest times to fly from Phoenix 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 Phoenix to Ontario are during the month of . You can find some of the cheapest flights from Phoenix to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Ontario

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix 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 Phoenix 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 Phoenix 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.

 

Phoenix to Ontario Flights

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*Available to One Key members.