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Cheap flights from Ontario to Eugene from $170

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Eugene

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:05 am - 3:00 pmONT  Ontario-EUG Eugene
6h 55m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:50 pm - 11:51 amEUG  Eugene-ONT Ontario
20h 01m1 stop Las Vegas Harry Reid Intl
$284Multiple Airlines
Thu, Dec 3 - Sun, Dec 6
Multiple Airlines Logo
2:47 pm - 3:00 pmONT  Ontario-EUG Eugene
24h 13m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:50 pm - 11:51 amEUG  Eugene-ONT Ontario
20h 01m1 stop Las Vegas Harry Reid Intl
$285Multiple Airlines
Wed, Dec 2 - Sun, Dec 6
Alaska Airlines Logo
10:56 am - 3:24 pmONT  Ontario-EUG Eugene
4h 28m1 stop Portland
Alaska Airlines Logo
5:19 am - 10:00 amEUG  Eugene-ONT Ontario
4h 41m1 stop Portland
$339Alaska Airlines
Tue, Jan 19 - Thu, Jan 28
Alaska Airlines Logo
10:56 am - 3:24 pmONT  Ontario-EUG Eugene
4h 28m1 stop Portland
Alaska Airlines Logo
5:19 am - 10:00 amEUG  Eugene-ONT Ontario
4h 41m1 stop Portland
$339Alaska Airlines
Wed, Jan 20 - Thu, Jan 28
Southwest Logo
6:00 am - 12:30 pmONT  Ontario-EUG Eugene
6h 30m1 stop San Jose
Southwest Logo
5:15 am - 10:40 amEUG  Eugene-ONT Ontario
5h 25m1 stop Sacramento Intl
$339Southwest
Thu, Oct 29 - Mon, Nov 2
Southwest Logo
6:15 pm - 11:35 pmONT  Ontario-EUG Eugene
5h 20m1 stop Sacramento Intl
Southwest Logo
5:40 pm - 9:55 pmEUG  Eugene-ONT Ontario
4h 15m1 stop Las Vegas Harry Reid Intl
$339Southwest
Mon, Oct 26 - Mon, Nov 2
United Airlines Logo
11:10 am - 6:12 pmONT  Ontario-EUG Eugene
7h 02m1 stop San Francisco
United Airlines Logo
6:00 am - 10:23 amEUG  Eugene-ONT Ontario
4h 23m1 stop San Francisco
$339United Airlines
Sat, Oct 17 - Tue, Oct 20
Delta Logo
6:00 pm - 11:59 pmONT  Ontario-EUG Eugene
5h 59m1 stop Seattle/Tacoma Intl
Delta Logo
5:41 pm - 10:43 pmEUG  Eugene-ONT Ontario
5h 02m1 stop Seattle/Tacoma Intl
$339Delta
Mon, Oct 19 - Tue, Oct 27
Alaska Airlines Logo
10:56 am - 3:24 pmONT  Ontario-EUG Eugene
4h 28m1 stop Portland
Alaska Airlines Logo
5:19 am - 10:00 amEUG  Eugene-ONT Ontario
4h 41m1 stop Portland
$339Alaska Airlines
Tue, Jan 19 - Wed, Jan 27
Southwest Logo
5:45 am - 12:15 pmONT  Ontario-EUG Eugene
6h 30m1 stop Las Vegas Harry Reid Intl
Southwest Logo
2:40 pm - 8:45 pmEUG  Eugene-ONT Ontario
6h 05m1 stop Las Vegas Harry Reid Intl
$339Southwest
Sat, Oct 24 - Sat, Oct 24

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Delta flights from Ontario to Eugene

Our best Delta deals on Ontario to Eugene flight tickets
Delta
Oct 19
ONT6:00 pmOntario
5h 59m
1 stop
EUG11:59 pmEugene
Oct 29
EUG12:33 pmEugene
4h 39m
1 stop
ONT5:12 pmOntario
$339
Delta
Nov 15
ONT7:00 amOntario
6h 00m
1 stop
EUG1:00 pmEugene
Nov 17
EUG5:43 pmEugene
5h 17m
1 stop
ONT11:00 pmOntario
$377
Delta
Dec 22
ONT11:59 amOntario
5h 02m
1 stop
EUG5:01 pmEugene
Dec 29
EUG6:10 amEugene
5h 09m
1 stop
ONT11:19 amOntario
$386

Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets
Southwest
Oct 17
ONT4:25 pmOntario
3h 30m
1 stop
EUG7:55 pmEugene
Oct 20
EUG6:50 amEugene
8h 45m
2 stops
ONT3:35 pmOntario
$344
Southwest
Oct 17
ONT5:30 amOntario
8h 15m
2 stops
EUG1:45 pmEugene
Oct 20
EUG6:50 amEugene
8h 45m
2 stops
ONT3:35 pmOntario
$349
Southwest
Oct 30
ONT6:00 amOntario
6h 30m
1 stop
EUG12:30 pmEugene
Nov 2
EUG5:40 pmEugene
4h 15m
1 stop
ONT9:55 pmOntario
$352

momondo Fare Finder

 
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 Ontario - EUG Eugene

ONTEUG

Ontario

Thu 12/3

8:05 am-3:00 pm

1 stop6h 55m

Eugene

Sun 12/6

3:50 pm-11:51 am

1 stop20h 01m

$284

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Wed 12/2

2:47 pm-3:00 pm

1 stop24h 13m

Eugene

Sun 12/6

3:50 pm-11:51 am

1 stop20h 01m

$285
Quickest round-trip

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Tue 1/19

10:56 am-3:24 pm

1 stop4h 28m

Eugene

Thu 1/28

5:19 am-10:00 am

1 stop4h 41m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Wed 1/20

10:56 am-3:24 pm

1 stop4h 28m

Eugene

Thu 1/28

5:19 am-10:00 am

1 stop4h 41m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Thu 10/29

6:00 am-12:30 pm

1 stop6h 30m

Eugene

Mon 11/2

5:15 am-10:40 am

1 stop5h 25m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Mon 10/26

6:15 pm-11:35 pm

1 stop5h 20m

Eugene

Mon 11/2

5:40 pm-9:55 pm

1 stop4h 15m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Sat 10/17

11:10 am-6:12 pm

1 stop7h 02m

Eugene

Tue 10/20

6:00 am-10:23 am

1 stop4h 23m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Mon 10/19

6:00 pm-11:59 pm

1 stop5h 59m

Eugene

Tue 10/27

5:41 pm-10:43 pm

1 stop5h 02m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Tue 1/19

10:56 am-3:24 pm

1 stop4h 28m

Eugene

Wed 1/27

5:19 am-10:00 am

1 stop4h 41m

$339

OntarioEugene

ONT Ontario - EUG Eugene

ONTEUG

Ontario

Sat 10/24

5:45 am-12:15 pm

1 stop6h 30m

Eugene

Sat 10/24

2:40 pm-8:45 pm

1 stop6h 05m

$339

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?

Prices are currently low for flights on this route.

Typical prices usually range from $353 to $467.
The lowest price recently found on this route was $284.

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 January to fly from Ontario, when ticket prices are also cheap, with an average price of $307.

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 $288. 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 $387.

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 $306 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 $323 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?

As of September 2026, prices for Ontario to Eugene flights are approximately 30% 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

Best Price Found

$170

Fastest flight time

3h 54m

Direct flights

None
The best one-way flight to Eugene from Ontario in the past 72 hours is $170. The best round-trip flight deal from Ontario to Eugene found on momondo in the last 72 hours is $284.
The fastest flight from Ontario to Eugene takes 3h 54m
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 54m 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
Alaska AirlinesPriceFrom $197Free CancellationRating
7.9
12,992 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,202 reviews
Search Southwest 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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