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Cheap flights from Ontario to Eugene from $112

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 3/17. 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
5:53 pm - 11:50 pm
ONT
-
EUG
5h 57m
1 stop
Delta Logo
6:08 am - 11:18 am
EUG
-
ONT
5h 10m
1 stop
$183Delta
Wed, Mar 18 - Tue, Mar 24
Alaska Airlines Logo
6:14 am - 11:58 pm
ONT
-
EUG
17h 44m
1 stop
Alaska Airlines Logo
9:01 am - 11:08 am
EUG
-
ONT
26h 07m
1 stop
$185Alaska Airlines
Wed, Mar 11 - Mon, Mar 16
Delta Logo
5:09 pm - 11:00 am
ONT
-
EUG
17h 51m
2 stops
Delta Logo
6:08 am - 10:34 pm
EUG
-
ONT
16h 26m
1 stop
$188Delta
Wed, Mar 18 - Mon, Mar 23
Multiple Airlines Logo
3:24 pm - 8:47 pm
ONT
-
EUG
5h 23m
1 stop
Multiple Airlines Logo
9:37 pm - 3:37 pm
EUG
-
ONT
18h 00m
1 stop
$190Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Delta Logo
6:00 am - 11:50 pm
ONT
-
EUG
17h 50m
2 stops
Delta Logo
6:08 am - 11:51 pm
EUG
-
ONT
17h 43m
2 stops
$194Delta
Wed, Mar 18 - Tue, Mar 24
Delta Logo
5:53 pm - 11:00 am
ONT
-
EUG
17h 07m
1 stop
Delta Logo
11:40 am - 5:13 pm
EUG
-
ONT
5h 33m
1 stop
$203Delta
Wed, Mar 25 - Mon, Mar 30
Alaska Airlines Logo
7:00 am - 3:19 pm
ONT
-
EUG
8h 19m
1 stop
Alaska Airlines Logo
8:38 pm - 2:32 pm
EUG
-
ONT
17h 54m
1 stop
$204Alaska Airlines
Sat, May 9 - Mon, May 11
Delta Logo
6:00 am - 11:50 pm
ONT
-
EUG
17h 50m
2 stops
Delta Logo
6:08 am - 10:34 pm
EUG
-
ONT
16h 26m
1 stop
$208Delta
Wed, Mar 18 - Tue, Mar 24
Delta Logo
6:00 am - 11:50 pm
ONT
-
EUG
17h 50m
2 stops
Delta Logo
6:08 am - 11:51 pm
EUG
-
ONT
17h 43m
2 stops
$214Delta
Wed, Mar 18 - Tue, Mar 24
Alaska Airlines Logo
4:02 pm - 9:31 pm
ONT
-
EUG
5h 29m
1 stop
Alaska Airlines Logo
9:01 am - 11:08 am
EUG
-
ONT
26h 07m
1 stop
$223Alaska Airlines
Fri, Mar 13 - Mon, Mar 16

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
Mar 11
ONT6:14 amOntario
17h 44m
1 stop
EUG11:58 pmEugene
Mar 16
EUG9:01 amEugene
26h 07m
1 stop
ONT11:08 amOntario
$185
Alaska Airlines
May 9
ONT7:00 amOntario
8h 19m
1 stop
EUG3:19 pmEugene
May 11
EUG8:38 pmEugene
17h 54m
1 stop
ONT2:32 pmOntario
$204
Alaska Airlines
Mar 13
ONT4:02 pmOntario
5h 29m
1 stop
EUG9:31 pmEugene
Mar 16
EUG9:01 amEugene
26h 07m
1 stop
ONT11:08 amOntario
$223

Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets
Southwest
Apr 1
ONT8:30 amOntario
8h 05m
2 stops
EUG4:35 pmEugene
Apr 8
EUG6:35 amEugene
8h 30m
2 stops
ONT3:05 pmOntario
$313
Southwest
Apr 7
ONT1:55 pmOntario
8h 05m
1 stop
EUG10:00 pmEugene
Apr 9
EUG6:10 amEugene
7h 00m
1 stop
ONT1:10 pmOntario
$322
Southwest
Mar 24
ONT2:35 pmOntario
7h 15m
2 stops
EUG9:50 pmEugene
Mar 26
EUG2:40 pmEugene
8h 05m
1 stop
ONT10:45 pmOntario
$325

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 February 19, 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

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/18

5:53 pm-11:50 pm

1 stop5h 57m

Eugene

Tue 3/24

6:08 am-11:18 am

1 stop5h 10m

$183

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/11

6:14 am-11:58 pm

1 stop17h 44m

Eugene

Mon 3/16

9:01 am-11:08 am

1 stop26h 07m

$185

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/18

5:09 pm-11:00 am

2 stops17h 51m

Eugene

Mon 3/23

6:08 am-10:34 pm

1 stop16h 26m

$188

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 3/5

3:24 pm-8:47 pm

1 stop5h 23m

Eugene

Sun 3/8

9:37 pm-3:37 pm

1 stop18h 00m

$190

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/18

6:00 am-11:50 pm

2 stops17h 50m

Eugene

Tue 3/24

6:08 am-11:51 pm

2 stops17h 43m

$194

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/25

5:53 pm-11:00 am

1 stop17h 07m

Eugene

Mon 3/30

11:40 am-5:13 pm

1 stop5h 33m

$203

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/9

7:00 am-3:19 pm

1 stop8h 19m

Eugene

Mon 5/11

8:38 pm-2:32 pm

1 stop17h 54m

$204

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/18

6:00 am-11:50 pm

2 stops17h 50m

Eugene

Tue 3/24

6:08 am-10:34 pm

1 stop16h 26m

$208

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/18

6:00 am-11:50 pm

2 stops17h 50m

Eugene

Tue 3/24

6:08 am-11:51 pm

2 stops17h 43m

$214

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 3/13

4:02 pm-9:31 pm

1 stop5h 29m

Eugene

Mon 3/16

9:01 am-11:08 am

1 stop26h 07m

$223

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, 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 October to fly from Ontario, when ticket prices are also cheap, with an average price of $281.

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 $248. 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 $357.

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 February 2026, prices for Ontario to Eugene flights are approximately 7% 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

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from Ontario to Eugene takes 4h 10m
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. 4h 10m 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 $178Free CancellationRating
7.9
8,213 reviews
Search Delta flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,322 reviews
Search United Airlines flights
SouthwestPriceFrom $183Free CancellationRating
8.0
4,295 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $197Free CancellationRating
8.0
11,904 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
Corvallis
Albany

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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