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Cheap flights from Ontario to Eugene from $154

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 8/4. 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
1 adult, Economy, 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.
American Airlines Logo
12:59 pm - 8:09 pm
ONT
-
EUG
7h 10m
1 stop
American Airlines Logo
5:24 am - 12:03 pm
EUG
-
ONT
6h 39m
1 stop
$315American Airlines
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
4:20 pm - 7:50 pm
ONT
-
EUG
3h 30m
1 stop
Southwest Logo
11:45 am - 8:05 pm
EUG
-
ONT
8h 20m
2 stops
$320Southwest
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
5:50 am - 1:20 pm
ONT
-
EUG
7h 30m
2 stops
Southwest Logo
11:45 am - 6:20 pm
EUG
-
ONT
6h 35m
2 stops
$325Southwest
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
1:50 pm - 10:30 pm
ONT
-
EUG
8h 40m
1 stop
Southwest Logo
12:20 pm - 7:20 pm
EUG
-
ONT
7h 00m
1 stop
$326Southwest
Wed, Sep 16 - Fri, Sep 18
Southwest Logo
5:40 am - 12:15 pm
ONT
-
EUG
6h 35m
2 stops
Southwest Logo
12:20 pm - 7:20 pm
EUG
-
ONT
7h 00m
1 stop
$329Southwest
Sat, Aug 29 - Mon, Aug 31
Southwest Logo
5:45 am - 11:45 am
ONT
-
EUG
6h 00m
2 stops
Southwest Logo
6:40 am - 2:00 pm
EUG
-
ONT
7h 20m
1 stop
$331Southwest
Wed, Sep 16 - Fri, Sep 18
Delta Logo
6:01 pm - 11:51 pm
ONT
-
EUG
5h 50m
1 stop
Delta Logo
12:32 pm - 5:21 pm
EUG
-
ONT
4h 49m
1 stop
$333Delta
Tue, Jul 7 - Wed, Jul 15
Southwest Logo
11:00 am - 7:50 pm
ONT
-
EUG
8h 50m
2 stops
Southwest Logo
12:20 pm - 7:25 pm
EUG
-
ONT
7h 05m
2 stops
$334Southwest
Sat, Aug 29 - Mon, Aug 31
Delta Logo
9:43 am - 4:03 pm
ONT
-
EUG
6h 20m
1 stop
Delta Logo
5:51 pm - 10:40 pm
EUG
-
ONT
4h 49m
1 stop
$335Delta
Wed, Aug 26 - Wed, Sep 9
Southwest Logo
5:45 am - 2:05 pm
ONT
-
EUG
8h 20m
2 stops
Southwest Logo
1:15 pm - 9:15 pm
EUG
-
ONT
8h 00m
2 stops
$336Southwest
Wed, Sep 16 - Fri, Sep 18

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Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets
Southwest
Aug 15
ONT4:20 pmOntario
3h 30m
1 stop
EUG7:50 pmEugene
Aug 22
EUG11:45 amEugene
8h 20m
2 stops
ONT8:05 pmOntario
$320
Southwest
Aug 15
ONT5:50 amOntario
7h 30m
2 stops
EUG1:20 pmEugene
Aug 22
EUG11:45 amEugene
6h 35m
2 stops
ONT6:20 pmOntario
$325
Southwest
Sep 16
ONT1:50 pmOntario
8h 40m
1 stop
EUG10:30 pmEugene
Sep 18
EUG12:20 pmEugene
7h 00m
1 stop
ONT7:20 pmOntario
$326

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
Jul 3
ONT9:20 pmOntario
11h 47m
1 stop
EUG9:07 amEugene
Jul 7
EUG5:43 pmEugene
5h 28m
1 stop
ONT11:11 pmOntario
$343
Alaska Airlines
Aug 6
ONT10:54 amOntario
4h 29m
1 stop
EUG3:23 pmEugene
Aug 11
EUG1:38 pmEugene
9h 33m
1 stop
ONT11:11 pmOntario
$346
Alaska Airlines
Nov 2
ONT4:09 pmOntario
7h 49m
1 stop
EUG11:58 pmEugene
Nov 5
EUG5:28 amEugene
4h 15m
1 stop
ONT9:43 amOntario
$358

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 June 15, 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

Sat 8/15

12:59 pm-8:09 pm

1 stop7h 10m

Eugene

Sat 8/22

5:24 am-12:03 pm

1 stop6h 39m

$315

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/15

4:20 pm-7:50 pm

1 stop3h 30m

Eugene

Sat 8/22

11:45 am-8:05 pm

2 stops8h 20m

$320

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/15

5:50 am-1:20 pm

2 stops7h 30m

Eugene

Sat 8/22

11:45 am-6:20 pm

2 stops6h 35m

$325

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 9/16

1:50 pm-10:30 pm

1 stop8h 40m

Eugene

Fri 9/18

12:20 pm-7:20 pm

1 stop7h 00m

$326

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/29

5:40 am-12:15 pm

2 stops6h 35m

Eugene

Mon 8/31

12:20 pm-7:20 pm

1 stop7h 00m

$329

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 9/16

5:45 am-11:45 am

2 stops6h 00m

Eugene

Fri 9/18

6:40 am-2:00 pm

1 stop7h 20m

$331
Quickest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 7/7

6:01 pm-11:51 pm

1 stop5h 50m

Eugene

Wed 7/15

12:32 pm-5:21 pm

1 stop4h 49m

$333

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/29

11:00 am-7:50 pm

2 stops8h 50m

Eugene

Mon 8/31

12:20 pm-7:25 pm

2 stops7h 05m

$334

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 8/26

9:43 am-4:03 pm

1 stop6h 20m

Eugene

Wed 9/9

5:51 pm-10:40 pm

1 stop4h 49m

$335

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 9/16

5:45 am-2:05 pm

2 stops8h 20m

Eugene

Fri 9/18

1:15 pm-9:15 pm

2 stops8h 00m

$336

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 $204.

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 $252. 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 $377.

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 $303 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $309 on average. Flights to Eugene from Ontario in the morning 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?

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 43m

Direct flights

None
The fastest flight from Ontario to Eugene takes 3h 43m
There are no direct flights from Ontario to Eugene. There are no popular flight routes from Ontario to Eugene.
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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 43m 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
Allegiant AirPriceFrom $108Free CancellationRating
7.3
694 reviews
Search Allegiant Air flights
DeltaPriceFrom $156Free CancellationRating
7.9
8,403 reviews
Search Delta flights
SouthwestPriceFrom $178Free CancellationRating
7.9
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,841 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $197Free CancellationRating
7.9
12,517 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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