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

Southwest, Alaska Airlines, and United Airlines are the most popular carriers operating from Ontario to Eugene

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 63% of people opting to fly with this airline when traveling to Eugene. Keep in mind that there are 9 different airlines that fly to Eugene on a routine basis, so you have a few additional options to choose from.

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

Flights via Seattle (SEA) offer the lowest average round-trip price of $156.

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: 5h 00m.

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

Seattle (SEA) has the shortest average layover time for this route: 0h 50m.

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

Denver (DEN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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 July 2026, there are 5 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.

$131 Cheap Flights from Ontario to Eugene in 2026

Q: 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 $317 to $437. The lowest price recently found on this route was $262.

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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.

1:00 pm - 9:15 pm

ONT

EUG

8h 15m

1 stop

6:00 am - 9:50 am

EUG

ONT

3h 50m

1 stop

$262Southwest

Sat, Aug 29 - Sat, Sep 5

11:00 am - 9:15 pm

ONT

EUG

10h 15m

2 stops

6:00 am - 9:50 am

EUG

ONT

3h 50m

1 stop

$267Southwest

Sat, Aug 29 - Sat, Sep 5

5:40 am - 12:15 pm

ONT

EUG

6h 35m

2 stops

11:45 am - 6:20 pm

EUG

ONT

6h 35m

2 stops

$273Southwest

Sat, Aug 29 - Sat, Sep 5

4:10 pm - 9:45 pm

ONT

EUG

5h 35m

1 stop

5:40 am - 10:20 am

EUG

ONT

4h 40m

1 stop

$276Southwest

Thu, Aug 13 - Mon, Aug 17

6:00 am - 12:40 pm

ONT

EUG

6h 40m

1 stop

5:40 am - 11:25 am

EUG

ONT

5h 45m

2 stops

$282Southwest

Thu, Aug 13 - Mon, Aug 17

6:00 am - 3:10 pm

ONT

EUG

9h 10m

2 stops

11:20 am - 7:25 pm

EUG

ONT

8h 05m

2 stops

$287Southwest

Thu, Aug 13 - Mon, Aug 17

7:00 am - 3:18 pm

ONT

EUG

8h 18m

1 stop

6:00 am - 1:09 pm

EUG

ONT

7h 09m

1 stop

$289Alaska Airlines

Sat, Aug 8 - Tue, Aug 11

10:54 am - 3:18 pm

ONT

EUG

4h 24m

1 stop

12:43 pm - 4:50 pm

EUG

ONT

4h 07m

1 stop

$315Alaska Airlines

Sat, Aug 8 - Wed, Oct 14

6:00 am - 1:20 pm

ONT

EUG

7h 20m

2 stops

2:50 pm - 6:25 pm

EUG

ONT

3h 35m

1 stop

$320Southwest

Sat, Aug 8 - Tue, Aug 11

5:40 am - 12:15 pm

ONT

EUG

6h 35m

2 stops

12:25 pm - 8:55 pm

EUG

ONT

8h 30m

2 stops

$325Southwest

Sat, Aug 8 - Tue, Aug 11

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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 8

ONT7:00 amOntario

8h 18m

1 stop

EUG3:18 pmEugene

Aug 11

EUG6:00 amEugene

7h 09m

1 stop

ONT1:09 pmOntario

$289

Alaska Airlines

Aug 8

ONT10:54 amOntario

4h 24m

1 stop

EUG3:18 pmEugene

Oct 14

EUG12:43 pmEugene

4h 07m

1 stop

ONT4:50 pmOntario

$315

Alaska Airlines

Jul 24

ONT9:20 pmOntario

11h 47m

1 stop

EUG9:07 amEugene

Jul 29

EUG1:38 pmEugene

9h 33m

1 stop

ONT11:11 pmOntario

$368

Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets

Southwest

Aug 29

ONT1:00 pmOntario

8h 15m

1 stop

EUG9:15 pmEugene

Sep 5

EUG6:00 amEugene

3h 50m

1 stop

ONT9:50 amOntario

$262

Southwest

Aug 29

ONT11:00 amOntario

10h 15m

2 stops

EUG9:15 pmEugene

Sep 5

EUG6:00 amEugene

3h 50m

1 stop

ONT9:50 amOntario

$267

Southwest

Aug 29

ONT5:40 amOntario

6h 35m

2 stops

EUG12:15 pmEugene

Sep 5

EUG11:45 amEugene

6h 35m

2 stops

ONT6:20 pmOntario

$273

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/29

1:00 pm-9:15 pm

1 stop8h 15m

Eugene

Sat 9/5

6:00 am-9:50 am

1 stop3h 50m

$262

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/29

11:00 am-9:15 pm

2 stops10h 15m

Eugene

Sat 9/5

6:00 am-9:50 am

1 stop3h 50m

$267

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/29

5:40 am-12:15 pm

2 stops6h 35m

Eugene

Sat 9/5

11:45 am-6:20 pm

2 stops6h 35m

$273

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 8/13

4:10 pm-9:45 pm

1 stop5h 35m

Eugene

Mon 8/17

5:40 am-10:20 am

1 stop4h 40m

$276

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 8/13

6:00 am-12:40 pm

1 stop6h 40m

Eugene

Mon 8/17

5:40 am-11:25 am

2 stops5h 45m

$282

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 8/13

6:00 am-3:10 pm

2 stops9h 10m

Eugene

Mon 8/17

11:20 am-7:25 pm

2 stops8h 05m

$287

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/8

7:00 am-3:18 pm

1 stop8h 18m

Eugene

Tue 8/11

6:00 am-1:09 pm

1 stop7h 09m

$289

Quickest round-trip

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/8

10:54 am-3:18 pm

1 stop4h 24m

Eugene

Wed 10/14

12:43 pm-4:50 pm

1 stop4h 07m

$315

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/8

6:00 am-1:20 pm

2 stops7h 20m

Eugene

Tue 8/11

2:50 pm-6:25 pm

1 stop3h 35m

$320

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 8/8

5:40 am-12:15 pm

2 stops6h 35m

Eugene

Tue 8/11

12:25 pm-8:55 pm

2 stops8h 30m

$325

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 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 $236.

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 $271. 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 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 morning when prices are $313 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	4h 20m
Direct flights	None

The fastest flight from Ontario to Eugene takes 4h 20m

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

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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. 4h 20m 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 July 2026, there are 5 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 35% of the total bookings. Other popular airlines include Alaska Airlines with 32%, United Airlines with 14%, and Delta 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
Allegiant Air	PriceFrom $108	Free Cancellation	Rating 7.3 685 reviews	Search Allegiant Air flights
Delta	PriceFrom $156	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
United Airlines	PriceFrom $180	Free Cancellation	Rating 7.4 9,947 reviews	Search United Airlines flights
Southwest	PriceFrom $183	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 7.9 12,634 reviews	Search Alaska Airlines flights

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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Cheap flights from Ontario to Eugene from $131

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 8/11. 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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Alaska Airlines flights from Ontario to Eugene

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Our best Southwest deals on Ontario to Eugene flight tickets

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How to get the cheapest flight ticket from Ontario to Eugene

What is the typical price of a round-trip flight between Ontario and Eugene?

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?

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

What airlines fly to Eugene?

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

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

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

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

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

Frequently asked questions about flying 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?

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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List of cabin classes available on flights landing in Eugene. Availability may vary depending on flight origin and airline.

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