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Cheap flights from Ontario to Eugene from $129

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 6/3. 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.
Multiple Airlines Logo
1:39 pm - 2:26 pm
ONT
-
EUG
24h 47m
1 stop
Multiple Airlines Logo
9:08 pm - 3:09 pm
EUG
-
ONT
18h 01m
1 stop
$242Multiple Airlines
Wed, Jun 3 - Sun, Jun 7
Multiple Airlines Logo
8:17 pm - 2:26 pm
ONT
-
EUG
18h 09m
2 stops
Multiple Airlines Logo
9:08 pm - 3:09 pm
EUG
-
ONT
18h 01m
1 stop
$315Multiple Airlines
Wed, Jun 3 - Sun, Jun 7
Multiple Airlines Logo
3:34 pm - 2:26 pm
ONT
-
EUG
22h 52m
1 stop
Multiple Airlines Logo
9:08 pm - 7:51 pm
EUG
-
ONT
22h 43m
1 stop
$319Multiple Airlines
Wed, Jun 17 - Sun, Jun 21
Delta Logo
6:20 am - 12:59 pm
ONT
-
EUG
6h 39m
1 stop
Delta Logo
5:45 pm - 10:41 pm
EUG
-
ONT
4h 56m
1 stop
$323Delta
Tue, Jun 23 - Wed, Jun 24
Multiple Airlines Logo
11:43 am - 11:16 am
ONT
-
EUG
23h 33m
1 stop
Multiple Airlines Logo
6:00 pm - 3:09 pm
EUG
-
ONT
21h 09m
1 stop
$324Multiple Airlines
Sat, Aug 15 - Thu, Aug 20
Alaska Airlines Logo
10:45 am - 3:26 pm
ONT
-
EUG
4h 41m
1 stop
Alaska Airlines Logo
7:35 pm - 11:04 am
EUG
-
ONT
15h 29m
1 stop
$328Alaska Airlines
Thu, Aug 20 - Tue, Aug 25
Alaska Airlines Logo
5:57 pm - 3:31 pm
ONT
-
EUG
21h 34m
1 stop
Alaska Airlines Logo
10:18 am - 3:09 pm
EUG
-
ONT
4h 51m
1 stop
$333Alaska Airlines
Sat, May 30 - Tue, Jun 2
Alaska Airlines Logo
6:00 am - 1:08 pm
ONT
-
EUG
7h 08m
1 stop
Alaska Airlines Logo
5:25 am - 10:21 am
EUG
-
ONT
4h 56m
1 stop
$338Alaska Airlines
Tue, Jun 2 - Sat, Jun 6
Alaska Airlines Logo
7:41 pm - 9:41 am
ONT
-
EUG
14h 00m
1 stop
Alaska Airlines Logo
4:08 pm - 11:58 pm
EUG
-
ONT
7h 50m
1 stop
$339Alaska Airlines
Wed, Jun 3 - Mon, Jun 8
Alaska Airlines Logo
7:00 am - 11:31 am
ONT
-
EUG
4h 31m
1 stop
Alaska Airlines Logo
7:59 pm - 11:10 am
EUG
-
ONT
15h 11m
1 stop
$343Alaska Airlines
Tue, Jun 2 - Sat, Jun 6

United Airlines flights from Ontario to Eugene

Our best United Airlines deals on Ontario to Eugene flight tickets
United Airlines
May 28
ONT6:00 amOntario
6h 01m
1 stop
EUG12:01 pmEugene
Jun 2
EUG6:00 amEugene
6h 12m
1 stop
ONT12:12 pmOntario
$348
United Airlines
May 20
ONT6:00 amOntario
5h 50m
1 stop
EUG11:50 amEugene
May 20
EUG12:52 pmEugene
7h 44m
1 stop
ONT8:36 pmOntario
$737
United Airlines
May 18
ONT6:59 pmOntario
4h 00m
1 stop
EUG10:59 pmEugene
May 22
EUG12:57 pmEugene
7h 45m
1 stop
ONT8:42 pmOntario
$747

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
Aug 20
ONT10:45 amOntario
4h 41m
1 stop
EUG3:26 pmEugene
Aug 25
EUG7:35 pmEugene
15h 29m
1 stop
ONT11:04 amOntario
$328
Alaska Airlines
May 30
ONT5:57 pmOntario
21h 34m
1 stop
EUG3:31 pmEugene
Jun 2
EUG10:18 amEugene
4h 51m
1 stop
ONT3:09 pmOntario
$333
Alaska Airlines
Jun 2
ONT6:00 amOntario
7h 08m
1 stop
EUG1:08 pmEugene
Jun 6
EUG5:25 amEugene
4h 56m
1 stop
ONT10:21 amOntario
$338

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 May 13, 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

Wed 6/3

1:39 pm-2:26 pm

1 stop24h 47m

Eugene

Sun 6/7

9:08 pm-3:09 pm

1 stop18h 01m

$242

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 6/3

8:17 pm-2:26 pm

2 stops18h 09m

Eugene

Sun 6/7

9:08 pm-3:09 pm

1 stop18h 01m

$315

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 6/17

3:34 pm-2:26 pm

1 stop22h 52m

Eugene

Sun 6/21

9:08 pm-7:51 pm

1 stop22h 43m

$319
Quickest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 6/23

6:20 am-12:59 pm

1 stop6h 39m

Eugene

Wed 6/24

5:45 pm-10:41 pm

1 stop4h 56m

$323

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/15

11:43 am-11:16 am

1 stop23h 33m

Eugene

Thu 8/20

6:00 pm-3:09 pm

1 stop21h 09m

$324

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 8/20

10:45 am-3:26 pm

1 stop4h 41m

Eugene

Tue 8/25

7:35 pm-11:04 am

1 stop15h 29m

$328

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/30

5:57 pm-3:31 pm

1 stop21h 34m

Eugene

Tue 6/2

10:18 am-3:09 pm

1 stop4h 51m

$333

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 6/2

6:00 am-1:08 pm

1 stop7h 08m

Eugene

Sat 6/6

5:25 am-10:21 am

1 stop4h 56m

$338

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 6/3

7:41 pm-9:41 am

1 stop14h 00m

Eugene

Mon 6/8

4:08 pm-11:58 pm

1 stop7h 50m

$339

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 6/2

7:00 am-11:31 am

1 stop4h 31m

Eugene

Sat 6/6

7:59 pm-11:10 am

1 stop15h 11m

$343

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 $368.

What is the cheapest time of day to depart on your flight to Eugene?

Flying to Eugene from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $277 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $303 on average. Flights to Eugene from Ontario in the evening 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

4h 20m

Direct flights

None
The fastest flight from Ontario to Eugene takes 4h 20m
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. 4h 20m 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
708 reviews
Search Allegiant Air flights
DeltaPriceFrom $156Free CancellationRating
7.9
8,453 reviews
Search Delta flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,298 reviews
Search Southwest flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $197Free CancellationRating
7.9
12,361 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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