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Cheap flights from Ontario to Eugene from $91

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 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Eugene

Cheap round-trip flights

American Airlines Logo
6:15 am - 1:32 pmONT-EUG
7h 17m1 stop
American Airlines Logo
6:00 am - 12:01 pmEUG-ONT
6h 01m1 stop
$181American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Delta Logo
1:15 pm - 11:14 pmONT-EUG
9h 59m2 stops
Delta Logo
11:29 am - 5:10 pmEUG-ONT
5h 41m1 stop
$186Delta
Find Deal
Sat, Oct 18 - Sat, Oct 25
United Airlines Logo
1:53 pm - 5:45 pmONT-EUG
3h 52m1 stop
United Airlines Logo
6:00 am - 12:13 pmEUG-ONT
6h 13m1 stop
$249United Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
Logo
6:05 am - 2:12 pmONT-EUG
8h 07m1 stop
Logo
8:55 pm - 11:47 amEUG-ONT
14h 52m1 stop
$251
Find Deal
Thu, Oct 9 - Sun, Oct 12
Logo
6:00 am - 2:12 pmONT-EUG
8h 12m1 stop
Logo
8:52 pm - 12:51 pmEUG-ONT
15h 59m1 stop
$260
Find Deal
Thu, Oct 30 - Sun, Nov 2
United Airlines Logo
6:36 pm - 10:51 pmONT-EUG
4h 15m1 stop
United Airlines Logo
1:57 pm - 5:40 pmEUG-ONT
3h 43m1 stop
$262United Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 18
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
$283Alaska Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Southwest Logo
6:30 pm - 10:15 pmONT-EUG
3h 45m1 stop
Southwest Logo
6:20 am - 12:35 pmEUG-ONT
6h 15m1 stop
$284Southwest
Find Deal
Fri, Nov 14 - Sun, Nov 16
Southwest Logo
2:20 pm - 10:15 pmONT-EUG
7h 55m2 stops
Southwest Logo
6:20 am - 12:35 pmEUG-ONT
6h 15m1 stop
$289Southwest
Find Deal
Fri, Nov 14 - Sun, Nov 16
Alaska Airlines Logo
6:00 am - 3:27 pmONT-EUG
9h 27m2 stops
Alaska Airlines Logo
1:02 pm - 5:05 pmEUG-ONT
4h 03m1 stop
$291Alaska Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 15

Delta flights from Ontario to Eugene

Our best Delta deals on Ontario to Eugene flight tickets
Delta
Oct 18
ONT1:15 pmOntario
9h 59m
2 stops
EUG11:14 pmEugene
Oct 25
EUG11:29 amEugene
5h 41m
1 stop
ONT5:10 pmOntario
$186
Find similar
Delta
Oct 18
ONT1:15 pmOntario
9h 59m
2 stops
EUG11:14 pmEugene
Oct 25
EUG11:29 amEugene
9h 51m
2 stops
ONT9:20 pmOntario
$191
Find similar
Delta
Oct 11
ONT1:15 pmOntario
9h 59m
2 stops
EUG11:14 pmEugene
Oct 15
EUG5:20 pmEugene
5h 21m
1 stop
ONT10:41 pmOntario
$254
Find similar

United Airlines flights from Ontario to Eugene

Our best United Airlines deals on Ontario to Eugene flight tickets
United Airlines
Oct 11
ONT1:53 pmOntario
3h 52m
1 stop
EUG5:45 pmEugene
Oct 14
EUG6:00 amEugene
6h 13m
1 stop
ONT12:13 pmOntario
$249
Find similar
United Airlines
Oct 16
ONT6:36 pmOntario
4h 15m
1 stop
EUG10:51 pmEugene
Oct 18
EUG1:57 pmEugene
3h 43m
1 stop
ONT5:40 pmOntario
$262
Find similar
United Airlines
Oct 16
ONT1:53 pmOntario
3h 52m
1 stop
EUG5:45 pmEugene
Oct 20
EUG6:00 amEugene
6h 13m
1 stop
ONT12:13 pmOntario
$273
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 September 15, 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

Sat 10/18

6:15 am-1:32 pm

1 stop7h 17m

Eugene

Sat 10/25

6:00 am-12:01 pm

1 stop6h 01m

$181

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 10/18

1:15 pm-11:14 pm

2 stops9h 59m

Eugene

Sat 10/25

11:29 am-5:10 pm

1 stop5h 41m

$186

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 10/11

1:53 pm-5:45 pm

1 stop3h 52m

Eugene

Tue 10/14

6:00 am-12:13 pm

1 stop6h 13m

$249

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 10/9

6:05 am-2:12 pm

1 stop8h 07m

Eugene

Sun 10/12

8:55 pm-11:47 am

1 stop14h 52m

$251

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 10/30

6:00 am-2:12 pm

1 stop8h 12m

Eugene

Sun 11/2

8:52 pm-12:51 pm

1 stop15h 59m

$260

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 10/16

6:36 pm-10:51 pm

1 stop4h 15m

Eugene

Sat 10/18

1:57 pm-5:40 pm

1 stop3h 43m

$262

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 12/3

6:00 am-12:36 pm

1 stop6h 36m

Eugene

Mon 12/8

3:59 pm-8:03 pm

1 stop4h 04m

$283

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 11/14

6:30 pm-10:15 pm

1 stop3h 45m

Eugene

Sun 11/16

6:20 am-12:35 pm

1 stop6h 15m

$284

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 11/14

2:20 pm-10:15 pm

2 stops7h 55m

Eugene

Sun 11/16

6:20 am-12:35 pm

1 stop6h 15m

$289

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 11/5

6:00 am-3:27 pm

2 stops9h 27m

Eugene

Sat 11/15

1:02 pm-5:05 pm

1 stop4h 03m

$291

Flights are sorted by cheapest round-trip flights 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, May 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 $262. If you don’t want to visit Eugene in May, then you should wait until September to fly from Ontario, when ticket prices are also cheap, with an average price of $284.

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 $267. 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 $361.

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 $315 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 September 2025, prices for Ontario to Eugene flights are approximately 13% 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 45m 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
SouthwestPriceFrom $183Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $218Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
10,000 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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