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Use the filters below to find and compare flights from Ontario to Eugene that are best for you.
Fly from
Fly to
Route
Depart
Return
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Wed 1/20
6:00 am-12:19 pm
1 stop6h 19m
Eugene
Mon 1/25
5:30 pm-10:43 pm
1 stop5h 13m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Thu 11/12
5:56 pm-11:58 pm
1 stop6h 02m
Eugene
Mon 11/16
4:41 pm-11:49 pm
1 stop7h 08m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Fri 10/30
6:00 pm-11:59 pm
1 stop5h 59m
Eugene
Sat 10/31
12:33 pm-5:12 pm
1 stop4h 39m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Thu 12/17
11:57 am-5:03 pm
1 stop5h 06m
Eugene
Mon 12/21
6:10 am-11:19 am
1 stop5h 09m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Fri 10/30
5:15 pm-11:35 pm
2 stops6h 20m
Eugene
Sat 10/31
7:15 am-3:55 pm
2 stops8h 40m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Sat 10/24
12:45 pm-9:25 pm
1 stop8h 40m
Eugene
Wed 10/28
4:30 pm-9:25 pm
1 stop4h 55m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Sat 10/24
4:20 pm-7:55 pm
1 stop3h 35m
Eugene
Wed 10/28
1:35 pm-10:05 pm
2 stops8h 30m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Wed 10/28
6:02 am-1:12 pm
1 stop7h 10m
Eugene
Sat 10/31
4:02 pm-8:15 pm
1 stop4h 13m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Sat 11/7
12:02 pm-6:01 pm
1 stop5h 59m
Eugene
Sat 11/14
6:38 pm-11:18 am
1 stop16h 40m
OntarioEugene
ONT Ontario - EUG Eugene
ONTEUG
Ontario
Tue 10/27
11:13 am-6:46 pm
1 stop7h 33m
Eugene
Fri 10/30
6:07 am-1:16 pm
1 stop7h 09m
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 typical price of a round-trip flight between Ontario and Eugene?
Prices are currently low for flights on this route.
Typical prices usually range from $342 to $353.The lowest price recently found on this route was $280.
What is the cheapest month to fly to Eugene?
In general, February 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 $197. If you don’t want to visit Eugene in February, then you should wait until January to fly from Ontario, when ticket prices are also cheap, with an average price of $307.
What is the cheapest day to depart on your flight to Eugene?
According to our data, Wednesday is the cheapest day to fly to Eugene from Ontario. The lowest ticket price found for a Wednesday departure recently was $288. 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 $387.
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 $311 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 $326 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 October 2026, prices for Ontario to Eugene flights are approximately 17% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Ontario to Eugene?
United Airlines and Southwest are the most popular carriers operating from Ontario to Eugene
What airlines fly to Eugene?
Alaska Airlines, United Airlines and Southwest 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 64% of people opting to fly with this airline when traveling to Eugene. Keep in mind that there are 7 different airlines that fly to Eugene on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Ontario and Eugene?
Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Ontario to Eugene?
Flights via Seattle (SEA) offer the lowest average round-trip price of $156.
Which layover airport has the shortest travel time from Ontario to Eugene?
Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 5h 00m.
Which layover airport has the shortest connection time from Ontario to Eugene?
Seattle (SEA) has the shortest average layover time for this route: 0h 50m.
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
Frequently asked questions about flying from Ontario to Eugene
How far is Ontario to Eugene by plane?
Eugene is 748.3 mi away from Ontario. 4h 27m 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 October 2026, there are 2 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 Alaska Airlines, making up 64% of the total bookings. Other popular airlines include Southwest with 36%.
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 $197 | Free Cancellation | Rating 7.9 13,021 reviews | |||
| PriceFrom $265 | Free Cancellation | Rating 7.9 4,214 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.