Cheap flights from Ontario to Eugene from $119
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Eugene departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Eugene
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
United Airlines flights from Ontario to Eugene
Our best United Airlines deals on Ontario to Eugene flight tickets
Southwest flights from Ontario to Eugene
Our best Southwest deals on Ontario to Eugene flight tickets
See travel insights to Eugene from
How to get the cheapest flight ticket from Ontario to Eugene
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Eugene?
In general, August is the cheapest month to fly from Ontario to Eugene. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $253. If you don’t want to visit Eugene in August, then you should wait until May to fly from Ontario, when ticket prices are also cheap, with an average price of $262.
What is the cheapest day to depart on your flight to Eugene?
According to our data, Tuesday is the cheapest day to fly to Eugene from Ontario. The lowest ticket price found for a Tuesday departure recently was $283. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Eugene is Sunday, with ticket prices averaging around $370.
What is the cheapest time of day to depart on your flight to Eugene?
Flying to Eugene from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $304 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $336 on average. Flights to Eugene from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
How have Ontario to Eugene flight prices changed over time?
As of July 2025, prices for Ontario to Eugene flights are approximately 41% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Ontario to Eugene?
Alaska Airlines, Delta, and American Airlines are the most popular carriers operating from Ontario to Eugene
What airlines fly to Eugene?
Alaska Airlines, United Airlines and Avelo Airlines are the top three most popular airlines that fly to Eugene from Ontario according to our data. Alaska Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Eugene. Keep in mind that there are 8 different airlines that fly to Eugene on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Eugene
Cheap Ontario to Eugene (ONT to EUG) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Eugene
How far is Ontario to Eugene by plane?
Eugene is 748.3 mi away from Ontario. 3h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Eugene Airport?
Prices for flights from Ontario Airport to Eugene Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Eugene Airport?
As of July 2025, there are 4 operators available to choose from for flights from Ontario Airport to Eugene Airport.
How old do you have to be to fly from Ontario Airport to Eugene Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Eugene Airport.
What documentation or ID do you need to fly to Eugene Airport?
The travel and health documents required for your trip to Eugene Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Eugene Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Eugene?
Based on momondo bookings for flights between Ontario and Eugene, the leading airline is Southwest, making up 53% of the total bookings. Other popular airlines include Alaska Airlines with 30%, Delta with 11%, and United Airlines with 7%.
Best airlines flying from Ontario to Eugene
Compare and see reviews for airlines that fly from Ontario to Eugene with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $178 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $241 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $262 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $262 | Free Cancellation | Rating 8.0 4,272 reviews |
Traveling to a place near Eugene?
Book flights to Eugene if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Eugene?
Finding the right flight to Eugene from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Eugene quick and easy, saving you time and money.
Can I find flights from Ontario to Eugene with flexible booking policies on momondo?
Yes. All flights to Eugene from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to Eugene?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Eugene.
I’m not ready to book a flight from Ontario to Eugene right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Eugene from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.