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.

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 travel time from Ontario to Eugene?

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

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

Alaska Airlines is the most popular carrier operating from Ontario to Eugene

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

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

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.

$103 Cheap Flights from Ontario to Eugene in 2026

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Find the cheapest flights from Ontario to Eugene

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:14 am - 11:58 pm

ONT

EUG

17h 44m1 stop

1:29 pm - 11:32 pm

EUG

ONT

10h 03m1 stop

$165Alaska Airlines

mié., mar. 4 - sáb., mar. 7

3:30 pm - 10:55 pm

ONT

EUG

7h 25m1 stop

6:10 am - 4:28 pm

EUG

ONT

10h 18m2 stops

$171Delta

mar., mar. 3 - mar., mar. 10

4:03 pm - 4:54 pm

ONT

EUG

24h 51m1 stop

9:00 am - 10:59 am

EUG

ONT

25h 59m1 stop

$175Alaska Airlines

vie., ene. 30 - dom., feb. 1

1:10 pm - 10:55 pm

ONT

EUG

9h 45m2 stops

6:10 am - 4:28 pm

EUG

ONT

10h 18m2 stops

$176Delta

mar., mar. 3 - mar., mar. 10

11:53 am - 9:30 pm

ONT

EUG

9h 37m1 stop

9:00 am - 10:59 am

EUG

ONT

25h 59m1 stop

$185Alaska Airlines

jue., ene. 29 - dom., feb. 1

3:30 pm - 10:40 am

ONT

EUG

19h 10m1 stop

5:20 pm - 12:07 pm

EUG

ONT

18h 47m2 stops

$191Delta

jue., feb. 12 - lun., feb. 16

12:57 pm - 9:01 pm

ONT

EUG

8h 04m1 stop

6:36 am - 12:03 pm

EUG

ONT

5h 27m1 stop

$192American Airlines

mar., ene. 27 - vie., ene. 30

7:08 pm - 8:31 pm

ONT

EUG

25h 23m1 stop

7:17 pm - 11:59 pm

EUG

ONT

4h 42m1 stop

$194Alaska Airlines

mar., mar. 31 - mié., abr. 8

6:00 am - 10:55 pm

ONT

EUG

16h 55m2 stops

5:20 pm - 12:07 pm

EUG

ONT

18h 47m2 stops

$196Delta

jue., feb. 12 - lun., feb. 16

7:08 pm - 8:31 pm

ONT

EUG

25h 23m1 stop

8:01 am - 9:39 am

EUG

ONT

25h 38m1 stop

$204Alaska Airlines

mar., mar. 31 - lun., abr. 13

Southwest flights from Ontario to Eugene

Our best Southwest deals on Ontario to Eugene flight tickets

Southwest

Feb 23

ONT5:50 amOntario

8h 35m

1 stop

EUG2:25 pmEugene

Feb 25

EUG12:25 pmEugene

3h 40m

1 stop

ONT4:05 pmOntario

$183

Southwest

Feb 23

ONT6:15 pmOntario

3h 50m

1 stop

EUG10:05 pmEugene

Feb 25

EUG2:30 pmEugene

6h 35m

2 stops

ONT9:05 pmOntario

$188

Southwest

Feb 20

ONT3:40 pmOntario

6h 40m

2 stops

EUG10:20 pmEugene

Feb 26

EUG3:30 pmEugene

8h 05m

1 stop

ONT11:35 pmOntario

$267

Alaska Airlines flights from Ontario to Eugene

Our best Alaska Airlines deals on Ontario to Eugene flight tickets

Alaska Airlines

Mar 4

ONT4:02 pmOntario

7h 56m

1 stop

EUG11:58 pmEugene

Mar 7

EUG5:42 amEugene

17h 50m

1 stop

ONT11:32 pmOntario

$165

Alaska Airlines

Jan 30

ONT4:03 pmOntario

24h 51m

1 stop

EUG4:54 pmEugene

Feb 1

EUG9:00 amEugene

25h 59m

1 stop

ONT10:59 amOntario

$175

Alaska Airlines

Jan 29

ONT4:03 pmOntario

24h 51m

1 stop

EUG4:54 pmEugene

Feb 1

EUG1:36 pmEugene

21h 23m

1 stop

ONT10:59 amOntario

$185

Fly from

Fly to

Route

Depart

Return

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

mié. 3/4

6:14 am-11:58 pm

1 stop17h 44m

Eugene

sáb. 3/7

1:29 pm-11:32 pm

1 stop10h 03m

$165

OntarioEugene

ONT - EUG

ONTEUG

Ontario

mar. 3/3

3:30 pm-10:55 pm

1 stop7h 25m

Eugene

mar. 3/10

6:10 am-4:28 pm

2 stops10h 18m

$171

OntarioEugene

ONT - EUG

ONTEUG

Ontario

vie. 1/30

4:03 pm-4:54 pm

1 stop24h 51m

Eugene

dom. 2/1

9:00 am-10:59 am

1 stop25h 59m

$175

OntarioEugene

ONT - EUG

ONTEUG

Ontario

mar. 3/3

1:10 pm-10:55 pm

2 stops9h 45m

Eugene

mar. 3/10

6:10 am-4:28 pm

2 stops10h 18m

$176

OntarioEugene

ONT - EUG

ONTEUG

Ontario

jue. 1/29

11:53 am-9:30 pm

1 stop9h 37m

Eugene

dom. 2/1

9:00 am-10:59 am

1 stop25h 59m

$185

OntarioEugene

ONT - EUG

ONTEUG

Ontario

jue. 2/12

3:30 pm-10:40 am

1 stop19h 10m

Eugene

lun. 2/16

5:20 pm-12:07 pm

2 stops18h 47m

$191

OntarioEugene

ONT - EUG

ONTEUG

Ontario

mar. 1/27

12:57 pm-9:01 pm

1 stop8h 04m

Eugene

vie. 1/30

6:36 am-12:03 pm

1 stop5h 27m

$192

OntarioEugene

ONT - EUG

ONTEUG

Ontario

mar. 3/31

7:08 pm-8:31 pm

1 stop25h 23m

Eugene

mié. 4/8

7:17 pm-11:59 pm

1 stop4h 42m

$194

OntarioEugene

ONT - EUG

ONTEUG

Ontario

jue. 2/12

6:00 am-10:55 pm

2 stops16h 55m

Eugene

lun. 2/16

5:20 pm-12:07 pm

2 stops18h 47m

$196

OntarioEugene

ONT - EUG

ONTEUG

Ontario

mar. 3/31

7:08 pm-8:31 pm

1 stop25h 23m

Eugene

lun. 4/13

8:01 am-9:39 am

1 stop25h 38m

$204

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 $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 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 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.

Search flight deals

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 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 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 8,032 reviews	Search Delta flights
United Airlines	PriceFrom $180	Free Cancellation	Rating 7.4 9,142 reviews	Search United Airlines flights
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 8.0 11,672 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.