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Cheap flights from Ontario to Eugene from $144

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 8/22. 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.
Alaska Airlines Logo
7:12 am - 12:48 pm
ONT
-
EUG
5h 36m
1 stop
Alaska Airlines Logo
4:03 pm - 8:24 pm
EUG
-
ONT
4h 21m
1 stop
$302Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Alaska Airlines Logo
7:12 am - 12:48 pm
ONT
-
EUG
5h 36m
1 stop
Alaska Airlines Logo
4:03 pm - 8:24 pm
EUG
-
ONT
4h 21m
1 stop
$309Alaska Airlines
Tue, Sep 1 - Tue, Sep 1
Alaska Airlines Logo
7:12 am - 12:48 pm
ONT
-
EUG
5h 36m
1 stop
Alaska Airlines Logo
4:03 pm - 8:24 pm
EUG
-
ONT
4h 21m
1 stop
$315Alaska Airlines
Thu, Aug 20 - Thu, Aug 27
Alaska Airlines Logo
6:02 am - 1:01 pm
ONT
-
EUG
6h 59m
1 stop
Alaska Airlines Logo
6:00 am - 1:09 pm
EUG
-
ONT
7h 09m
1 stop
$332Alaska Airlines
Wed, Jul 29 - Tue, Aug 4
Delta Logo
11:56 am - 5:03 pm
ONT
-
EUG
5h 07m
1 stop
Delta Logo
5:43 pm - 10:45 pm
EUG
-
ONT
5h 02m
1 stop
$333Delta
Tue, Aug 4 - Sat, Aug 15
Southwest Logo
8:30 am - 1:00 pm
ONT
-
EUG
4h 30m
1 stop
Southwest Logo
5:40 am - 12:40 pm
EUG
-
ONT
7h 00m
2 stops
$338Southwest
Tue, Jul 21 - Tue, Aug 4
Southwest Logo
5:30 am - 2:05 pm
ONT
-
EUG
8h 35m
2 stops
Southwest Logo
12:25 pm - 8:55 pm
EUG
-
ONT
8h 30m
2 stops
$343Southwest
Tue, Jul 21 - Tue, Aug 4
Alaska Airlines Logo
10:47 am - 3:26 pm
ONT
-
EUG
4h 39m
1 stop
Alaska Airlines Logo
4:03 pm - 8:24 pm
EUG
-
ONT
4h 21m
1 stop
$346Alaska Airlines
Tue, Sep 29 - Thu, Oct 1
Southwest Logo
4:10 pm - 9:45 pm
ONT
-
EUG
5h 35m
1 stop
Southwest Logo
11:45 am - 6:20 pm
EUG
-
ONT
6h 35m
2 stops
$351Southwest
Mon, Aug 10 - Sat, Aug 15
Alaska Airlines Logo
5:32 pm - 10:28 pm
ONT
-
EUG
4h 56m
1 stop
Alaska Airlines Logo
6:00 am - 1:09 pm
EUG
-
ONT
7h 09m
1 stop
$355Alaska Airlines
Sat, Aug 8 - Sat, Aug 15

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Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets
Alaska Airlines
Aug 25
ONT7:12 amOntario
5h 36m
1 stop
EUG12:48 pmEugene
Aug 26
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
$302
Alaska Airlines
Sep 1
ONT7:12 amOntario
5h 36m
1 stop
EUG12:48 pmEugene
Sep 1
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
$309
Alaska Airlines
Aug 20
ONT7:12 amOntario
5h 36m
1 stop
EUG12:48 pmEugene
Aug 27
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
$315

Delta flights from Ontario to Eugene

Our best Delta deals on Ontario to Eugene flight tickets
Delta
Aug 4
ONT11:56 amOntario
5h 07m
1 stop
EUG5:03 pmEugene
Aug 15
EUG5:43 pmEugene
5h 02m
1 stop
ONT10:45 pmOntario
$333
Delta
Sep 1
ONT6:20 amOntario
6h 44m
1 stop
EUG1:04 pmEugene
Sep 6
EUG5:20 amEugene
6h 56m
1 stop
ONT12:16 pmOntario
$358
Delta
Jul 25
ONT5:10 pmOntario
4h 33m
1 stop
EUG9:43 pmEugene
Aug 1
EUG5:45 pmEugene
5h 07m
1 stop
ONT10:52 pmOntario
$396

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 27, 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 8/25

7:12 am-12:48 pm

1 stop5h 36m

Eugene

Wed 8/26

4:03 pm-8:24 pm

1 stop4h 21m

$302

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 9/1

7:12 am-12:48 pm

1 stop5h 36m

Eugene

Tue 9/1

4:03 pm-8:24 pm

1 stop4h 21m

$309

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 8/20

7:12 am-12:48 pm

1 stop5h 36m

Eugene

Thu 8/27

4:03 pm-8:24 pm

1 stop4h 21m

$315

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 7/29

6:02 am-1:01 pm

1 stop6h 59m

Eugene

Tue 8/4

6:00 am-1:09 pm

1 stop7h 09m

$332

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 8/4

11:56 am-5:03 pm

1 stop5h 07m

Eugene

Sat 8/15

5:43 pm-10:45 pm

1 stop5h 02m

$333

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 7/21

8:30 am-1:00 pm

1 stop4h 30m

Eugene

Tue 8/4

5:40 am-12:40 pm

2 stops7h 00m

$338

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 7/21

5:30 am-2:05 pm

2 stops8h 35m

Eugene

Tue 8/4

12:25 pm-8:55 pm

2 stops8h 30m

$343
Quickest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 9/29

10:47 am-3:26 pm

1 stop4h 39m

Eugene

Thu 10/1

4:03 pm-8:24 pm

1 stop4h 21m

$346

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Mon 8/10

4:10 pm-9:45 pm

1 stop5h 35m

Eugene

Sat 8/15

11:45 am-6:20 pm

2 stops6h 35m

$351

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/8

5:32 pm-10:28 pm

1 stop4h 56m

Eugene

Sat 8/15

6:00 am-1:09 pm

1 stop7h 09m

$355

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, Wednesday is the cheapest day to fly to Eugene from Ontario. The lowest ticket price found for a Wednesday departure recently was $264. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $297 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $312 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 25m

Direct flights

None
The fastest flight from Ontario to Eugene takes 3h 25m
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 25m 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
693 reviews
Search Allegiant Air flights
DeltaPriceFrom $156Free CancellationRating
7.8
8,453 reviews
Search Delta flights
SouthwestPriceFrom $178Free CancellationRating
7.9
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $180Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $197Free CancellationRating
7.9
12,581 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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