Cheap Flights from Eugene (EUG) to Ontario (ONO)

Popular airlines from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal)

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Frequently asked questions

How much does a flight from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal) cost?
Secure a cheap one-way flight or cheap return flight from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal)?
is the most affordable month to fly from EUG to ONO. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from EUG to ONO. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal)?
There are no daily nonstop flights departing from Mahlon Sweet Field Airport (EUG) 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 before you know it.
What day of the week has the most flights from EUG to ONO?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal)?
To avoid possible delays on the Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal) route, fly before 3 PM. Later flights 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.
Is it cheaper to buy a plane ticket from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Booking your ticket from EUG to ONO shortly before your journey is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an EUG to ONO flight and hotel package?
Compared with arranging hotels and flights separately, booking an EUG to ONO flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Mahlon Sweet Field Airport (EUG) to Ontario, OR (ONO-Ontario Municipal)?
If you reserved your EUG to ONO flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Eugene
Destination airport
Ontario Municipal
Distance
307 mi

Book with confidence

Book with confidence

Eugene to Ontario Flights

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

 

The best time to book a flight from Eugene to Ontario

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

 

Eugene to Ontario Flights

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*Available to One Key members.