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

Alaska Airlines and Delta 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 travel time from Ontario to Eugene?

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

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 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 50% 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 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.

$129 Cheap Flights from Ontario to Eugene in 2025/26

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Find the cheapest flights from Ontario to Eugene

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4:36 pm - 12:22 am

ONT

EUG

7h 46m1 stop

3:02 pm - 3:08 pm

EUG

ONT

24h 06m1 stop

$206Alaska Airlines

Tue, Jan 6 - Fri, Jan 9

1:11 pm - 11:12 pm

ONT

EUG

10h 01m2 stops

6:20 am - 1:56 pm

EUG

ONT

7h 36m1 stop

$212Delta

Thu, Jan 8 - Sat, Jan 10

7:00 am - 11:52 am

ONT

EUG

4h 52m1 stop

4:01 pm - 11:52 pm

EUG

ONT

7h 51m1 stop

$242Alaska Airlines

Sat, Feb 14 - Tue, Feb 17

1:10 pm - 10:55 pm

ONT

EUG

9h 45m2 stops

6:07 am - 1:54 pm

EUG

ONT

7h 47m1 stop

$247Delta

Wed, Feb 18 - Sat, Feb 28

2:50 pm - 9:12 pm

ONT

EUG

6h 22m1 stop

6:00 am - 12:32 pm

EUG

ONT

6h 32m1 stop

$259Delta

Wed, Dec 24 - Thu, Jan 1

5:59 pm - 10:45 pm

ONT

EUG

4h 46m1 stop

3:56 pm - 8:10 pm

EUG

ONT

4h 14m1 stop

$262Alaska Airlines

Thu, Jan 8 - Sat, Jan 10

6:00 am - 2:51 pm

ONT

EUG

8h 51m2 stops

6:00 am - 12:32 pm

EUG

ONT

6h 32m1 stop

$264Delta

Thu, Dec 25 - Thu, Jan 1

1:11 pm - 11:12 pm

ONT

EUG

10h 01m2 stops

6:10 am - 4:15 pm

EUG

ONT

10h 05m2 stops

$269Delta

Sun, Jan 18 - Wed, Jan 21

1:46 pm - 9:30 pm

ONT

EUG

7h 44m2 stops

9:00 am - 7:16 pm

EUG

ONT

10h 16m2 stops

$273Alaska Airlines

Wed, Jan 14 - Sat, Jan 17

11:53 am - 4:54 pm

ONT

EUG

5h 01m1 stop

5:42 am - 10:59 am

EUG

ONT

5h 17m1 stop

$274Hawaiian Airlines

Sat, Jan 10 - Mon, Jan 12

Delta flights from Ontario to Eugene

Our best Delta deals on Ontario to Eugene flight tickets

Delta

Jan 8

ONT1:11 pmOntario

10h 01m

2 stops

EUG11:12 pmEugene

Jan 10

EUG6:20 amEugene

7h 36m

1 stop

ONT1:56 pmOntario

$212

Find similar

Delta

Feb 18

ONT1:10 pmOntario

9h 45m

2 stops

EUG10:55 pmEugene

Feb 28

EUG6:07 amEugene

7h 47m

1 stop

ONT1:54 pmOntario

$247

Find similar

Delta

Dec 24

ONT2:50 pmOntario

6h 22m

1 stop

EUG9:12 pmEugene

Jan 1

EUG6:00 amEugene

6h 32m

1 stop

ONT12:32 pmOntario

$259

Find similar

United Airlines flights from Ontario to Eugene

Our best United Airlines deals on Ontario to Eugene flight tickets

United Airlines

Dec 25

ONT5:05 amOntario

8h 04m

1 stop

EUG1:09 pmEugene

Jan 1

EUG5:00 amEugene

7h 38m

1 stop

ONT12:38 pmOntario

$329

Find similar

United Airlines

Dec 24

ONT5:05 amOntario

8h 04m

1 stop

EUG1:09 pmEugene

Dec 31

EUG6:37 pmEugene

3h 56m

1 stop

ONT10:33 pmOntario

$364

Find similar

United Airlines

Dec 24

ONT5:05 amOntario

8h 04m

1 stop

EUG1:09 pmEugene

Dec 30

EUG5:00 amEugene

7h 38m

1 stop

ONT12:38 pmOntario

$369

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 1/6

4:36 pm-12:22 am

1 stop7h 46m

Eugene

Fri 1/9

3:02 pm-3:08 pm

1 stop24h 06m

$206

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 1/8

1:11 pm-11:12 pm

2 stops10h 01m

Eugene

Sat 1/10

6:20 am-1:56 pm

1 stop7h 36m

$212

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 2/14

7:00 am-11:52 am

1 stop4h 52m

Eugene

Tue 2/17

4:01 pm-11:52 pm

1 stop7h 51m

$242

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 2/18

1:10 pm-10:55 pm

2 stops9h 45m

Eugene

Sat 2/28

6:07 am-1:54 pm

1 stop7h 47m

$247

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 12/24

2:50 pm-9:12 pm

1 stop6h 22m

Eugene

Thu 1/1

6:00 am-12:32 pm

1 stop6h 32m

$259

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 1/8

5:59 pm-10:45 pm

1 stop4h 46m

Eugene

Sat 1/10

3:56 pm-8:10 pm

1 stop4h 14m

$262

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 12/25

6:00 am-2:51 pm

2 stops8h 51m

Eugene

Thu 1/1

6:00 am-12:32 pm

1 stop6h 32m

$264

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 1/18

1:11 pm-11:12 pm

2 stops10h 01m

Eugene

Wed 1/21

6:10 am-4:15 pm

2 stops10h 05m

$269

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 1/14

1:46 pm-9:30 pm

2 stops7h 44m

Eugene

Sat 1/17

9:00 am-7:16 pm

2 stops10h 16m

$273

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 1/10

11:53 am-4:54 pm

1 stop5h 01m

Eugene

Mon 1/12

5:42 am-10:59 am

1 stop5h 17m

$274

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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, Wednesday is the cheapest day to fly to Eugene from Ontario. The lowest ticket price found for a Wednesday departure recently was $250. 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 $369.

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 $305 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 09m
Direct flights	None

The fastest flight from Ontario to Eugene takes 4h 09m

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 46m 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 53% of the total bookings. Other popular airlines include Alaska Airlines with 27%, Delta with 10%, 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 8,011 reviews	Search Delta flights
United Airlines	PriceFrom $180	Free Cancellation	Rating 7.4 9,084 reviews	Search United Airlines flights
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $227	Free Cancellation	Rating 8.0 11,417 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.

An easier way to manage your Eugene trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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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 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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 cheapest month to fly to Eugene?

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

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

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.

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

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

What airlines fly 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 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.

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 to book flights from Ontario to Eugene

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

Direct flights

How far is Ontario to Eugene by plane?

When did momondo last update prices for flights from Ontario Airport to Eugene Airport?

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?

What documentation or ID do you need to fly to Eugene Airport?

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

Traveling to a place near Eugene?

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Eugene?

Can I find flights from Ontario to Eugene with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Eugene trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Oregon