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Cheap flights from Ontario to Eugene from $89

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 12/11. 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

Enter your travel dates to find the best prices.
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
$169Alaska Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
Alaska Airlines Logo
7:10 am - 12:19 pmONT-EUG
5h 09m1 stop
Alaska Airlines Logo
3:59 pm - 8:03 pmEUG-ONT
4h 04m1 stop
$177Alaska Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
American Airlines Logo
6:17 am - 1:46 pmONT-EUG
7h 29m1 stop
American Airlines Logo
5:30 am - 12:00 pmEUG-ONT
6h 30m1 stop
$178American Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
Alaska Airlines Logo
7:33 pm - 12:36 pmONT-EUG
17h 03m1 stop
Alaska Airlines Logo
9:00 am - 11:19 amEUG-ONT
26h 19m1 stop
$205Alaska Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Alaska Airlines Logo
12:13 pm - 9:30 pmONT-EUG
9h 17m1 stop
Alaska Airlines Logo
9:00 am - 11:19 amEUG-ONT
26h 19m1 stop
$206Alaska Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Alaska Airlines Logo
7:10 am - 12:19 pmONT-EUG
5h 09m1 stop
Alaska Airlines Logo
3:59 pm - 8:03 pmEUG-ONT
4h 04m1 stop
$212Alaska Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
Delta Logo
6:00 am - 11:55 amONT-EUG
5h 55m1 stop
Delta Logo
5:29 pm - 10:47 pmEUG-ONT
5h 18m1 stop
$218Delta
Find Deal
Tue, Dec 9 - Mon, Dec 15
Alaska Airlines Logo
11:53 am - 9:30 pmONT-EUG
9h 37m1 stop
Alaska Airlines Logo
9:00 am - 11:56 pmEUG-ONT
14h 56m1 stop
$227Alaska Airlines
Find Deal
Fri, Jan 16 - Sun, Jan 18
Delta Logo
1:29 pm - 11:11 pmONT-EUG
9h 42m2 stops
Delta Logo
5:29 pm - 10:47 pmEUG-ONT
5h 18m1 stop
$232Delta
Find Deal
Fri, Dec 5 - Sun, Dec 7
Alaska Airlines Logo
7:10 am - 12:19 pmONT-EUG
5h 09m1 stop
Alaska Airlines Logo
9:00 am - 8:03 pmEUG-ONT
11h 03m2 stops
$235Alaska Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10

Delta flights from Ontario to Eugene

Our best Delta deals on Ontario to Eugene flight tickets
Delta
Dec 9
ONT6:00 amOntario
5h 55m
1 stop
EUG11:55 amEugene
Dec 15
EUG5:29 pmEugene
5h 18m
1 stop
ONT10:47 pmOntario
$218
Find similar
Delta
Dec 5
ONT1:29 pmOntario
9h 42m
2 stops
EUG11:11 pmEugene
Dec 7
EUG5:29 pmEugene
5h 18m
1 stop
ONT10:47 pmOntario
$232
Find similar
Delta
Dec 9
ONT6:00 amOntario
9h 49m
2 stops
EUG3:49 pmEugene
Dec 11
EUG5:30 amEugene
7h 04m
1 stop
ONT12:34 pmOntario
$287
Find similar

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
Dec 6
ONT7:10 amOntario
5h 09m
1 stop
EUG12:19 pmEugene
Dec 7
EUG12:59 pmEugene
7h 04m
1 stop
ONT8:03 pmOntario
$169
Find similar
Alaska Airlines
Dec 5
ONT7:10 amOntario
5h 09m
1 stop
EUG12:19 pmEugene
Dec 8
EUG3:59 pmEugene
4h 04m
1 stop
ONT8:03 pmOntario
$177
Find similar
Alaska Airlines
Dec 5
ONT7:33 pmOntario
17h 03m
1 stop
EUG12:36 pmEugene
Dec 7
EUG9:00 amEugene
26h 19m
1 stop
ONT11:19 amOntario
$205
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 13, 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 12/6

7:10 am-12:19 pm

1 stop5h 09m

Eugene

Sun 12/7

12:59 pm-8:03 pm

1 stop7h 04m

$169

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 12/5

7:10 am-12:19 pm

1 stop5h 09m

Eugene

Mon 12/8

3:59 pm-8:03 pm

1 stop4h 04m

$177

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 12/6

6:17 am-1:46 pm

1 stop7h 29m

Eugene

Sun 12/7

5:30 am-12:00 pm

1 stop6h 30m

$178

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 12/5

7:33 pm-12:36 pm

1 stop17h 03m

Eugene

Sun 12/7

9:00 am-11:19 am

1 stop26h 19m

$205

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 12/4

12:13 pm-9:30 pm

1 stop9h 17m

Eugene

Sun 12/7

9:00 am-11:19 am

1 stop26h 19m

$206

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 12/7

7:10 am-12:19 pm

1 stop5h 09m

Eugene

Wed 12/10

3:59 pm-8:03 pm

1 stop4h 04m

$212

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 12/9

6:00 am-11:55 am

1 stop5h 55m

Eugene

Mon 12/15

5:29 pm-10:47 pm

1 stop5h 18m

$218

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 1/16

11:53 am-9:30 pm

1 stop9h 37m

Eugene

Sun 1/18

9:00 am-11:56 pm

1 stop14h 56m

$227

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 12/5

1:29 pm-11:11 pm

2 stops9h 42m

Eugene

Sun 12/7

5:29 pm-10:47 pm

1 stop5h 18m

$232

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 12/7

7:10 am-12:19 pm

1 stop5h 09m

Eugene

Wed 12/10

9:00 am-8:03 pm

2 stops11h 03m

$235

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, 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
9,016 reviews
Search United Airlines flights
SouthwestPriceFrom $183Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Alaska AirlinesPriceFrom $227Free CancellationRating
8.0
11,282 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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