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Cheap flights from Ontario to Eugene from $122

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 5/26. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Eugene

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:50 pm - 11:50 pm
ONT
-
EUG
6h 00m
1 stop
Delta Logo
5:41 pm - 10:34 pm
EUG
-
ONT
4h 53m
1 stop
$243Delta
Tue, May 12 - Wed, May 13
Southwest Logo
4:15 pm - 10:40 pm
ONT
-
EUG
6h 25m
1 stop
Southwest Logo
5:10 am - 10:25 am
EUG
-
ONT
5h 15m
1 stop
$292Southwest
Sat, May 16 - Mon, May 18
Delta Logo
6:00 am - 11:46 am
ONT
-
EUG
5h 46m
1 stop
Delta Logo
5:41 pm - 10:34 pm
EUG
-
ONT
4h 53m
1 stop
$301Delta
Wed, May 13 - Wed, May 13
Alaska Airlines Logo
4:03 pm - 11:59 pm
ONT
-
EUG
7h 56m
1 stop
Alaska Airlines Logo
4:08 pm - 11:58 pm
EUG
-
ONT
7h 50m
1 stop
$303Alaska Airlines
Tue, May 19 - Wed, May 20
Alaska Airlines Logo
3:26 pm - 9:54 pm
ONT
-
EUG
6h 28m
1 stop
Alaska Airlines Logo
10:18 am - 3:09 pm
EUG
-
ONT
4h 51m
1 stop
$313Alaska Airlines
Tue, May 12 - Tue, May 19
United Airlines Logo
6:39 pm - 10:59 pm
ONT
-
EUG
4h 20m
1 stop
United Airlines Logo
6:00 am - 12:12 pm
EUG
-
ONT
6h 12m
1 stop
$315United Airlines
Fri, May 29 - Mon, Jun 1
Alaska Airlines Logo
4:03 pm - 11:59 pm
ONT
-
EUG
7h 56m
1 stop
Alaska Airlines Logo
10:18 am - 3:09 pm
EUG
-
ONT
4h 51m
1 stop
$318Alaska Airlines
Tue, May 19 - Wed, May 27
Alaska Airlines Logo
11:15 am - 3:31 pm
ONT
-
EUG
4h 16m
1 stop
Alaska Airlines Logo
5:25 am - 10:21 am
EUG
-
ONT
4h 56m
1 stop
$323Alaska Airlines
Wed, May 27 - Sat, May 30
Alaska Airlines Logo
4:03 pm - 11:59 pm
ONT
-
EUG
7h 56m
1 stop
Alaska Airlines Logo
7:59 pm - 11:10 am
EUG
-
ONT
15h 11m
1 stop
$333Alaska Airlines
Sat, May 23 - Sat, May 30
Southwest Logo
4:25 pm - 9:50 pm
ONT
-
EUG
5h 25m
1 stop
Southwest Logo
5:10 am - 11:30 am
EUG
-
ONT
6h 20m
1 stop
$334Southwest
Thu, May 28 - Sun, May 31

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Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets
Southwest
May 16
ONT4:15 pmOntario
6h 25m
1 stop
EUG10:40 pmEugene
May 18
EUG5:10 amEugene
5h 15m
1 stop
ONT10:25 amOntario
$292
Southwest
May 28
ONT4:25 pmOntario
5h 25m
1 stop
EUG9:50 pmEugene
May 31
EUG5:10 amEugene
6h 20m
1 stop
ONT11:30 amOntario
$334
Southwest
May 16
ONT6:20 pmOntario
4h 20m
1 stop
EUG10:40 pmEugene
May 23
EUG6:00 amEugene
9h 35m
2 stops
ONT3:35 pmOntario
$335

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
May 19
ONT4:03 pmOntario
7h 56m
1 stop
EUG11:59 pmEugene
May 20
EUG4:08 pmEugene
7h 50m
1 stop
ONT11:58 pmOntario
$303
Alaska Airlines
May 12
ONT3:26 pmOntario
6h 28m
1 stop
EUG9:54 pmEugene
May 19
EUG10:18 amEugene
4h 51m
1 stop
ONT3:09 pmOntario
$313
Alaska Airlines
May 19
ONT4:03 pmOntario
7h 56m
1 stop
EUG11:59 pmEugene
May 27
EUG10:18 amEugene
4h 51m
1 stop
ONT3:09 pmOntario
$318

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 April 22, 2026.
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

Cheapest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 5/12

5:50 pm-11:50 pm

1 stop6h 00m

Eugene

Wed 5/13

5:41 pm-10:34 pm

1 stop4h 53m

$243

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/16

4:15 pm-10:40 pm

1 stop6h 25m

Eugene

Mon 5/18

5:10 am-10:25 am

1 stop5h 15m

$292

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 5/13

6:00 am-11:46 am

1 stop5h 46m

Eugene

Wed 5/13

5:41 pm-10:34 pm

1 stop4h 53m

$301

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 5/19

4:03 pm-11:59 pm

1 stop7h 56m

Eugene

Wed 5/20

4:08 pm-11:58 pm

1 stop7h 50m

$303

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 5/12

3:26 pm-9:54 pm

1 stop6h 28m

Eugene

Tue 5/19

10:18 am-3:09 pm

1 stop4h 51m

$313

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 5/29

6:39 pm-10:59 pm

1 stop4h 20m

Eugene

Mon 6/1

6:00 am-12:12 pm

1 stop6h 12m

$315

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 5/19

4:03 pm-11:59 pm

1 stop7h 56m

Eugene

Wed 5/27

10:18 am-3:09 pm

1 stop4h 51m

$318
Quickest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 5/27

11:15 am-3:31 pm

1 stop4h 16m

Eugene

Sat 5/30

5:25 am-10:21 am

1 stop4h 56m

$323

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/23

4:03 pm-11:59 pm

1 stop7h 56m

Eugene

Sat 5/30

7:59 pm-11:10 am

1 stop15h 11m

$333

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 5/28

4:25 pm-9:50 pm

1 stop5h 25m

Eugene

Sun 5/31

5:10 am-11:30 am

1 stop6h 20m

$334

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 typical price of a round-trip flight between Ontario and Eugene?

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 August to fly from Ontario, when ticket prices are also cheap, with an average price of $220.

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 $243. 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 $383.

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 $294 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 $327 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 April 2026, prices for Ontario to Eugene flights are approximately 55% cheaper 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

Fastest flight time

3h 30m

Direct flights

None
The fastest flight from Ontario to Eugene takes 3h 30m
There are no direct flights from Ontario to Eugene. There are no popular flight routes from Ontario to Eugene.
Search flight deals

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. 3h 30m 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
DeltaPriceFrom $156Free CancellationRating
7.9
8,431 reviews
Search Delta flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,330 reviews
Search Southwest flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,625 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $197Free CancellationRating
7.9
12,273 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
Springfield
Albany
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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