What airlines fly to Eugene?

Alaska Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Eugene from Ontario according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Eugene. Keep in mind that there are 8 different airlines that fly to Eugene on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Eugene?

Delta, American Airlines, and Alaska Airlines are the most popular carriers operating from Ontario to Eugene

Which airport is the most popular layover for flights between Ontario and Eugene?

Seattle (SEA) was the most common stop: 70% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Ontario to Eugene?

Seattle (SEA) has the shortest average layover time for this route: 1h 18m.

Which layover airport offers the lowest fares from Ontario to Eugene?

Flights via Seattle (SEA) offer the lowest average round-trip price of $261.

Which layover airport has the shortest travel time from Ontario to Eugene?

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 4h 35m.

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?

As of December 2025, there are 4 operators available to choose from 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.

$109 Cheap Flights from Ontario to Eugene in 2025/26

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Find the cheapest flights from Ontario to Eugene

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:03 pm - 9:30 pm

ONT

EUG

5h 27m1 stop

1:36 pm - 8:36 pm

EUG

ONT

7h 00m1 stop

$206Alaska Airlines

Wed, Jan 21 - Tue, Feb 10

7:30 am - 11:12 pm

ONT

EUG

15h 42m1 stop

5:20 pm - 10:44 pm

EUG

ONT

5h 24m1 stop

$207Delta

Sun, Jan 25 - Tue, Feb 10

5:10 pm - 10:48 am

ONT

EUG

17h 38m2 stops

11:30 am - 10:44 pm

EUG

ONT

11h 14m1 stop

$212Delta

Tue, Jan 20 - Tue, Feb 10

4:03 pm - 9:30 pm

ONT

EUG

5h 27m1 stop

3:56 pm - 8:10 pm

EUG

ONT

4h 14m1 stop

$217Alaska Airlines

Sat, Jan 24 - Sun, Jan 25

5:10 pm - 10:48 am

ONT

EUG

17h 38m2 stops

6:10 am - 11:58 pm

EUG

ONT

17h 48m2 stops

$218Delta

Tue, Jan 20 - Tue, Feb 10

1:11 pm - 9:09 pm

ONT

EUG

7h 58m2 stops

5:30 am - 12:16 pm

EUG

ONT

6h 46m1 stop

$222Delta

Sat, Jan 24 - Sun, Jan 25

11:53 am - 4:54 pm

ONT

EUG

5h 01m1 stop

3:56 pm - 8:10 pm

EUG

ONT

4h 14m1 stop

$224Hawaiian Airlines

Sat, Jan 17 - Sun, Jan 18

6:49 pm - 11:45 am

ONT

EUG

16h 56m1 stop

12:35 pm - 9:23 am

EUG

ONT

20h 48m1 stop

$225Multiple Airlines

Wed, Jan 14 - Thu, Jan 22

6:14 am - 11:58 pm

ONT

EUG

17h 44m1 stop

9:01 am - 11:08 am

EUG

ONT

26h 07m1 stop

$226Alaska Airlines

Thu, Feb 26 - Sun, Mar 1

11:53 am - 4:54 pm

ONT

EUG

5h 01m1 stop

3:56 pm - 8:10 pm

EUG

ONT

4h 14m1 stop

$238Alaska Airlines

Sat, Jan 17 - Sun, Jan 18

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets

Alaska Airlines

Jan 21

ONT4:03 pmOntario

5h 27m

1 stop

EUG9:30 pmEugene

Feb 10

EUG1:36 pmEugene

7h 00m

1 stop

ONT8:36 pmOntario

$206

Find similar

Alaska Airlines

Feb 26

ONT6:14 amOntario

17h 44m

1 stop

EUG11:58 pmEugene

Mar 1

EUG9:01 amEugene

26h 07m

1 stop

ONT11:08 amOntario

$226

Find similar

Alaska Airlines

Jan 17

ONT11:53 amOntario

5h 01m

1 stop

EUG4:54 pmEugene

Jan 18

EUG3:56 pmEugene

4h 14m

1 stop

ONT8:10 pmOntario

$238

Find similar

Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets

Southwest

May 1

ONT10:30 amOntario

5h 55m

1 stop

EUG4:25 pmEugene

May 4

EUG2:50 pmEugene

8h 15m

2 stops

ONT11:05 pmOntario

$330

Find similar

Southwest

May 20

ONT10:55 amOntario

5h 45m

1 stop

EUG4:40 pmEugene

Jun 10

EUG1:40 pmEugene

8h 10m

2 stops

ONT9:50 pmOntario

$339

Find similar

Southwest

Jan 9

ONT6:05 amOntario

7h 45m

2 stops

EUG1:50 pmEugene

Jan 23

EUG2:30 pmEugene

6h 15m

1 stop

ONT8:45 pmOntario

$347

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 1/21

4:03 pm-9:30 pm

1 stop5h 27m

Eugene

Tue 2/10

1:36 pm-8:36 pm

1 stop7h 00m

$206

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 1/25

7:30 am-11:12 pm

1 stop15h 42m

Eugene

Tue 2/10

5:20 pm-10:44 pm

1 stop5h 24m

$207

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 1/20

5:10 pm-10:48 am

2 stops17h 38m

Eugene

Tue 2/10

11:30 am-10:44 pm

1 stop11h 14m

$212

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 1/24

4:03 pm-9:30 pm

1 stop5h 27m

Eugene

Sun 1/25

3:56 pm-8:10 pm

1 stop4h 14m

$217

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 1/20

5:10 pm-10:48 am

2 stops17h 38m

Eugene

Tue 2/10

6:10 am-11:58 pm

2 stops17h 48m

$218

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 1/24

1:11 pm-9:09 pm

2 stops7h 58m

Eugene

Sun 1/25

5:30 am-12:16 pm

1 stop6h 46m

$222

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 1/17

11:53 am-4:54 pm

1 stop5h 01m

Eugene

Sun 1/18

3:56 pm-8:10 pm

1 stop4h 14m

$224

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 1/14

6:49 pm-11:45 am

1 stop16h 56m

Eugene

Thu 1/22

12:35 pm-9:23 am

1 stop20h 48m

$225

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 2/26

6:14 am-11:58 pm

1 stop17h 44m

Eugene

Sun 3/1

9:01 am-11:08 am

1 stop26h 07m

$226

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 1/17

11:53 am-4:54 pm

1 stop5h 01m

Eugene

Sun 1/18

3:56 pm-8:10 pm

1 stop4h 14m

$238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the cheapest month to fly to Eugene?

In general, September 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 $250. If you don’t want to visit Eugene in September, then you should wait until May to fly from Ontario, when ticket prices are also cheap, with an average price of $262.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $304 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 $321 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 December 2025, prices for Ontario to Eugene flights are approximately 52% 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 26m
Direct flights	None

The fastest flight from Ontario to Eugene takes 4h 26m

There are no direct flights from Ontario to Eugene. There are no popular flight routes from Ontario to Eugene.

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How far is Ontario to Eugene by plane?
Eugene is 748.3 mi away from Ontario. 4h 26m 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?
As of December 2025, there are 4 operators available to choose from 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?
Based on momondo bookings for flights between Ontario and Eugene, the leading airline is Southwest, making up 52% of the total bookings. Other popular airlines include Alaska Airlines with 27%, Delta with 11%, and United Airlines with 10%.

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
Delta	PriceFrom $178	Free Cancellation	Rating 7.9 8,022 reviews	Search Delta flights
United Airlines	PriceFrom $180	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 8.0 11,549 reviews	Search Alaska Airlines flights

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.