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

Seattle (SEA) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

Delta and United Airlines are the most popular carriers operating from Ontario to Eugene

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.

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 52% 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.

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.

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 January 2026, 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.

$99 Cheap Flights from Ontario to Eugene in 2026

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Find the cheapest flights from Ontario to Eugene

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 10:55 pm

ONT

EUG

7h 25m

1 stop

5:15 am - 12:07 pm

EUG

ONT

6h 52m

1 stop

$197Delta

Tue, Mar 3 - Wed, Mar 4

6:00 am - 11:50 am

ONT

EUG

5h 50m

1 stop

6:10 am - 4:28 pm

EUG

ONT

10h 18m

2 stops

$202Delta

Tue, Mar 3 - Tue, Mar 10

1:10 pm - 10:55 pm

ONT

EUG

9h 45m

2 stops

6:10 am - 4:28 pm

EUG

ONT

10h 18m

2 stops

$208Delta

Tue, Mar 3 - Tue, Mar 10

3:24 pm - 8:46 pm

ONT

EUG

5h 22m

1 stop

9:36 pm - 1:11 pm

EUG

ONT

15h 35m

1 stop

$216Multiple Airlines

Thu, Feb 19 - Sun, Feb 22

6:14 am - 12:52 pm

ONT

EUG

6h 38m

1 stop

5:42 am - 11:08 am

EUG

ONT

5h 26m

1 stop

$228Alaska Airlines

Wed, Mar 4 - Sat, Mar 7

6:14 am - 12:52 pm

ONT

EUG

6h 38m

1 stop

3:07 pm - 10:44 pm

EUG

ONT

7h 37m

1 stop

$231Alaska Airlines

Wed, Mar 4 - Wed, Mar 4

6:14 am - 12:52 pm

ONT

EUG

6h 38m

1 stop

12:30 pm - 11:32 pm

EUG

ONT

11h 02m

2 stops

$235Alaska Airlines

Wed, Mar 4 - Sat, Mar 7

3:24 pm - 8:46 pm

ONT

EUG

5h 22m

1 stop

9:36 pm - 7:22 am

EUG

ONT

9h 46m

1 stop

$237Multiple Airlines

Thu, Feb 12 - Thu, Feb 19

3:30 pm - 10:40 am

ONT

EUG

19h 10m

1 stop

5:50 pm - 10:33 pm

EUG

ONT

4h 43m

1 stop

$240Delta

Fri, Mar 6 - Tue, Mar 10

3:30 pm - 10:40 am

ONT

EUG

19h 10m

1 stop

6:10 am - 4:28 pm

EUG

ONT

10h 18m

2 stops

$245Delta

Fri, Mar 6 - Tue, Mar 10

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets

Alaska Airlines

Mar 4

ONT6:14 amOntario

6h 38m

1 stop

EUG12:52 pmEugene

Mar 7

EUG5:42 amEugene

5h 26m

1 stop

ONT11:08 amOntario

$228

Alaska Airlines

Mar 4

ONT6:14 amOntario

6h 38m

1 stop

EUG12:52 pmEugene

Mar 4

EUG3:07 pmEugene

7h 37m

1 stop

ONT10:44 pmOntario

$231

Alaska Airlines

Mar 4

ONT6:14 amOntario

6h 38m

1 stop

EUG12:52 pmEugene

Mar 7

EUG12:30 pmEugene

11h 02m

2 stops

ONT11:32 pmOntario

$235

United Airlines flights from Ontario to Eugene

Our best United Airlines deals on Ontario to Eugene flight tickets

United Airlines

Mar 3

ONT6:10 amOntario

6h 06m

1 stop

EUG12:16 pmEugene

Mar 10

EUG5:00 amEugene

12h 41m

2 stops

ONT5:41 pmOntario

$272

United Airlines

Jan 22

ONT6:39 pmOntario

4h 30m

1 stop

EUG11:09 pmEugene

Jan 25

EUG6:00 amEugene

5h 18m

1 stop

ONT11:18 amOntario

$687

United Airlines

Jan 18

ONT6:39 pmOntario

4h 30m

1 stop

EUG11:09 pmEugene

Jan 20

EUG5:00 amEugene

7h 47m

1 stop

ONT12:47 pmOntario

$795

Fly from

Fly to

Route

Depart

Return

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 3/3

3:30 pm-10:55 pm

1 stop7h 25m

Eugene

Wed 3/4

5:15 am-12:07 pm

1 stop6h 52m

$197

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 3/3

6:00 am-11:50 am

1 stop5h 50m

Eugene

Tue 3/10

6:10 am-4:28 pm

2 stops10h 18m

$202

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 3/3

1:10 pm-10:55 pm

2 stops9h 45m

Eugene

Tue 3/10

6:10 am-4:28 pm

2 stops10h 18m

$208

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 2/19

3:24 pm-8:46 pm

1 stop5h 22m

Eugene

Sun 2/22

9:36 pm-1:11 pm

1 stop15h 35m

$216

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/4

6:14 am-12:52 pm

1 stop6h 38m

Eugene

Sat 3/7

5:42 am-11:08 am

1 stop5h 26m

$228

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/4

6:14 am-12:52 pm

1 stop6h 38m

Eugene

Wed 3/4

3:07 pm-10:44 pm

1 stop7h 37m

$231

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 3/4

6:14 am-12:52 pm

1 stop6h 38m

Eugene

Sat 3/7

12:30 pm-11:32 pm

2 stops11h 02m

$235

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 2/12

3:24 pm-8:46 pm

1 stop5h 22m

Eugene

Thu 2/19

9:36 pm-7:22 am

1 stop9h 46m

$237

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 3/6

3:30 pm-10:40 am

1 stop19h 10m

Eugene

Tue 3/10

5:50 pm-10:33 pm

1 stop4h 43m

$240

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 3/6

3:30 pm-10:40 am

1 stop19h 10m

Eugene

Tue 3/10

6:10 am-4:28 pm

2 stops10h 18m

$245

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, May 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 $262. If you don’t want to visit Eugene in May, then you should wait until October to fly from Ontario, when ticket prices are also cheap, with an average price of $281.

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 $251. 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 $303 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 January 2026, prices for Ontario to Eugene flights are approximately 71% cheaper 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 10m
Direct flights	None

The fastest flight from Ontario to Eugene takes 4h 10m

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

Search flight deals

How far is Ontario to Eugene by plane?
Eugene is 748.3 mi away from Ontario. 4h 10m 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 January 2026, 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 48% of the total bookings. Other popular airlines include Alaska Airlines with 31%, Delta with 11%, and United Airlines with 11%.

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 8,051 reviews	Search Delta flights
United Airlines	PriceFrom $180	Free Cancellation	Rating 7.4 9,164 reviews	Search United Airlines flights
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 8.0 11,721 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.