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Cheap flights from Ontario to Eugene from $88

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 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Eugene

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 11:12 pmONT-EUG
15h 42m1 stop
Delta Logo
11:30 am - 10:51 pmEUG-ONT
11h 21m1 stop
$187Delta
Find Deal
Wed, Jan 14 - Sun, Jan 18
Delta Logo
5:49 pm - 11:11 pmONT-EUG
5h 22m1 stop
Delta Logo
5:29 pm - 10:47 pmEUG-ONT
5h 18m1 stop
$188Delta
Find Deal
Sat, Dec 13 - Sun, Dec 14
Delta Logo
1:10 pm - 11:12 pmONT-EUG
10h 02m2 stops
Delta Logo
6:20 am - 10:51 pmEUG-ONT
16h 31m1 stop
$192Delta
Find Deal
Wed, Jan 14 - Sun, Jan 18
Alaska Airlines Logo
4:03 pm - 9:30 pmONT-EUG
5h 27m1 stop
Alaska Airlines Logo
5:42 am - 10:59 amEUG-ONT
5h 17m1 stop
$204Alaska Airlines
Find Deal
Fri, Jan 30 - Mon, Feb 2
Alaska Airlines Logo
6:00 am - 12:22 amONT-EUG
18h 22m1 stop
Alaska Airlines Logo
5:51 pm - 12:14 amEUG-ONT
6h 23m1 stop
$227Alaska Airlines
Find Deal
Fri, Dec 19 - Tue, Jan 6
Alaska Airlines Logo
5:59 pm - 12:27 amONT-EUG
6h 28m2 stops
Alaska Airlines Logo
9:00 am - 3:08 pmEUG-ONT
6h 08m1 stop
$230Alaska Airlines
Find Deal
Wed, Jan 7 - Mon, Jan 12
Alaska Airlines Logo
6:00 am - 1:08 pmONT-EUG
7h 08m1 stop
Alaska Airlines Logo
3:56 pm - 1:06 pmEUG-ONT
21h 10m1 stop
$243Alaska Airlines
Find Deal
Sun, Jan 11 - Fri, Jan 16
Alaska Airlines Logo
7:19 pm - 8:59 pmONT-EUG
25h 40m1 stop
Alaska Airlines Logo
1:36 pm - 10:59 amEUG-ONT
21h 23m1 stop
$250Alaska Airlines
Find Deal
Mon, Jan 5 - Sun, Jan 11
Alaska Airlines Logo
6:00 am - 12:36 pmONT-EUG
6h 36m1 stop
Alaska Airlines Logo
3:59 pm - 8:03 pmEUG-ONT
4h 04m1 stop
$253Alaska Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 16
Alaska Airlines Logo
7:10 am - 12:19 pmONT-EUG
5h 09m1 stop
Alaska Airlines Logo
12:59 pm - 8:03 pmEUG-ONT
7h 04m1 stop
$254Alaska Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11

Delta flights from Ontario to Eugene

Our best Delta deals on Ontario to Eugene flight tickets
Delta
Jan 14
ONT7:30 amOntario
15h 42m
1 stop
EUG11:12 pmEugene
Jan 18
EUG11:30 amEugene
11h 21m
1 stop
ONT10:51 pmOntario
$187
Find similar
Delta
Dec 13
ONT5:49 pmOntario
5h 22m
1 stop
EUG11:11 pmEugene
Dec 14
EUG5:29 pmEugene
5h 18m
1 stop
ONT10:47 pmOntario
$188
Find similar
Delta
Jan 14
ONT1:10 pmOntario
10h 02m
2 stops
EUG11:12 pmEugene
Jan 18
EUG6:20 amEugene
16h 31m
1 stop
ONT10:51 pmOntario
$192
Find similar

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
Jan 30
ONT4:03 pmOntario
5h 27m
1 stop
EUG9:30 pmEugene
Feb 2
EUG5:42 amEugene
5h 17m
1 stop
ONT10:59 amOntario
$204
Find similar
Alaska Airlines
Feb 5
ONT6:00 amOntario
7h 08m
1 stop
EUG1:08 pmEugene
Feb 8
EUG1:36 pmEugene
25h 32m
1 stop
ONT3:08 pmOntario
$206
Find similar
Alaska Airlines
Dec 19
ONT6:00 amOntario
18h 22m
1 stop
EUG12:22 amEugene
Jan 6
EUG5:51 pmEugene
6h 23m
1 stop
ONT12:14 amOntario
$227
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Eugene that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 20, 2025.
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

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 1/14

7:30 am-11:12 pm

1 stop15h 42m

Eugene

Sun 1/18

11:30 am-10:51 pm

1 stop11h 21m

$187

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 12/13

5:49 pm-11:11 pm

1 stop5h 22m

Eugene

Sun 12/14

5:29 pm-10:47 pm

1 stop5h 18m

$188

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 1/14

1:10 pm-11:12 pm

2 stops10h 02m

Eugene

Sun 1/18

6:20 am-10:51 pm

1 stop16h 31m

$192

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 1/30

4:03 pm-9:30 pm

1 stop5h 27m

Eugene

Mon 2/2

5:42 am-10:59 am

1 stop5h 17m

$204

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 12/19

6:00 am-12:22 am

1 stop18h 22m

Eugene

Tue 1/6

5:51 pm-12:14 am

1 stop6h 23m

$227

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 1/7

5:59 pm-12:27 am

2 stops6h 28m

Eugene

Mon 1/12

9:00 am-3:08 pm

1 stop6h 08m

$230

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 1/11

6:00 am-1:08 pm

1 stop7h 08m

Eugene

Fri 1/16

3:56 pm-1:06 pm

1 stop21h 10m

$243

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Mon 1/5

7:19 pm-8:59 pm

1 stop25h 40m

Eugene

Sun 1/11

1:36 pm-10:59 am

1 stop21h 23m

$250

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 12/16

6:00 am-12:36 pm

1 stop6h 36m

Eugene

Tue 12/16

3:59 pm-8:03 pm

1 stop4h 04m

$253

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 12/6

7:10 am-12:19 pm

1 stop5h 09m

Eugene

Thu 12/11

12:59 pm-8:03 pm

1 stop7h 04m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, September 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 $250. If you don’t want to visit Eugene in September, 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, Wednesday is the cheapest day to fly to Eugene from Ontario. The lowest ticket price found for a Wednesday departure recently was $260. 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 $365.

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 $307 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $321 on average. Flights to Eugene from Ontario in the afternoon 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 November 2025, prices for Ontario to Eugene flights are approximately 275% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Eugene

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Eugene according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Direct flights

None
There are no direct flights from Ontario to Eugene. There are no popular flight routes from Ontario to Eugene.
Search flight deals

  • How far is Ontario to Eugene by plane?

    Eugene is 748.3 mi away from Ontario. 3h 50m 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?

  • 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?

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
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
SouthwestPriceFrom $183Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Alaska AirlinesPriceFrom $227Free CancellationRating
8.0
11,323 reviews
Search Alaska Airlines flights

Traveling to a place near Eugene?

Book flights to Eugene if you plan to visit one of these locations
Newport
Yachats
Albany
Springfield
Corvallis

Why 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.

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