Cheap Flights from Sun Valley (SUN) to Ontario (ONO)

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Ontario, OR (ONO-Ontario Municipal)

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal) cost?
Get a cheap one-way flight or cheap return flight from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between SUN and ONO. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SUN to ONO flight.
How many flights per day from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal)?
You'll have to take a flight with a layover when traveling from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SUN to ONO?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal)?
To arrive at Ontario, OR (ONO-Ontario Municipal) without delays, choose a flight that leaves from Friedman Memorial Airport (SUN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Booking your plane ticket from SUN to ONO right before your trip is usually more expensive. But if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SUN to ONO flight and hotel package?
Compared with arranging hotels and flights separately, booking a SUN to ONO flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Ontario, OR (ONO-Ontario Municipal)?
If you reserved your SUN 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 ticket 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 information.

Travel information

Origin airport
Friedman Memorial
Destination airport
Ontario Municipal
Distance
141 mi

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Sun Valley to Ontario Flights

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

 

The best time to book a flight from Sun Valley to Ontario

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

 

Sun Valley to Ontario Flights

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*Available to One Key members.