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Cheap flights from Eugene to Los Angeles from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Eugene to Los Angeles departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Eugene to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:50 pmEUG  Eugene-ONT Ontario
7h 50m1 stop Denver Intl
United Airlines Logo
6:08 am - 11:43 amONT  Ontario-EUG Eugene
5h 35m1 stop San Francisco
$237United Airlines
Sat, Aug 22 - Sun, Aug 23
Alaska Airlines Logo
4:03 pm - 8:24 pmEUG  Eugene-ONT Ontario
4h 21m1 stop Portland
Alaska Airlines Logo
7:12 am - 12:48 pmONT  Ontario-EUG Eugene
5h 36m1 stop Portland
$247Alaska Airlines
Sat, Aug 22 - Sun, Aug 23
Southwest Logo
2:50 pm - 6:25 pmEUG  Eugene-ONT Ontario
3h 35m1 stop San Jose
Southwest Logo
6:15 pm - 11:30 pmONT  Ontario-EUG Eugene
5h 15m1 stop Sacramento Intl
$275Southwest
Wed, Sep 30 - Thu, Oct 1
Southwest Logo
5:40 am - 12:40 pmEUG  Eugene-ONT Ontario
7h 00m2 stops Sacramento Intl Las Vegas Harry Reid Intl
Southwest Logo
6:00 am - 12:30 pmONT  Ontario-EUG Eugene
6h 30m1 stop San Jose
$281Southwest
Wed, Sep 30 - Thu, Oct 1
Alaska Airlines Logo
4:03 pm - 8:24 pmEUG  Eugene-ONT Ontario
4h 21m1 stop Portland
Alaska Airlines Logo
12:00 pm - 6:58 pmONT  Ontario-EUG Eugene
6h 58m1 stop Seattle/Tacoma Intl
$282Alaska Airlines
Sat, Aug 22 - Wed, Aug 26
Alaska Airlines Logo
1:18 pm - 7:03 pmEUG  Eugene-ONT Ontario
5h 45m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:00 pm - 6:58 pmONT  Ontario-EUG Eugene
6h 58m1 stop Seattle/Tacoma Intl
$282Alaska Airlines
Wed, Aug 26 - Sat, Aug 29
Delta Logo
6:10 am - 11:16 amEUG  Eugene-ONT Ontario
5h 06m1 stop Seattle/Tacoma Intl
Delta Logo
9:43 am - 4:03 pmONT  Ontario-EUG Eugene
6h 20m1 stop Salt Lake City
$317Delta
Tue, Aug 25 - Sun, Aug 30
Delta Logo
6:10 am - 11:16 amEUG  Eugene-ONT Ontario
5h 06m1 stop Seattle/Tacoma Intl
Delta Logo
9:43 am - 4:03 pmONT  Ontario-EUG Eugene
6h 20m1 stop Salt Lake City
$317Delta
Tue, Aug 25 - Sun, Aug 30
United Airlines Logo
1:57 pm - 6:11 pmEUG  Eugene-ONT Ontario
4h 14m1 stop San Francisco
United Airlines Logo
1:18 pm - 9:17 pmONT  Ontario-EUG Eugene
7h 59m1 stop Denver Intl
$317United Airlines
Sun, Aug 23 - Wed, Aug 26
United Airlines Logo
5:45 am - 12:12 pmEUG  Eugene-ONT Ontario
6h 27m1 stop San Francisco
United Airlines Logo
5:00 am - 12:55 pmONT  Ontario-EUG Eugene
7h 55m1 stop Denver Intl
$317United Airlines
Sun, Aug 23 - Fri, Aug 28

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Delta flights from Eugene to Ontario

Our best Delta deals on Eugene to Ontario flight tickets
Delta
Aug 25
EUG6:10 amEugene
5h 06m
1 stop
ONT11:16 amOntario
Aug 30
ONT9:43 amOntario
6h 20m
1 stop
EUG4:03 pmEugene
$317
Delta
Aug 24
EUG4:43 pmEugene
6h 51m
1 stop
ONT11:34 pmOntario
Aug 30
ONT6:01 pmOntario
5h 58m
1 stop
EUG11:59 pmEugene
$345
Delta
Oct 8
EUG5:20 amEugene
7h 01m
1 stop
ONT12:21 pmOntario
Oct 11
ONT9:45 amOntario
6h 16m
1 stop
EUG4:01 pmEugene
$359

Alaska Airlines flights from Eugene to Ontario

Our best Alaska Airlines deals on Eugene to Ontario flight tickets
Alaska Airlines
Aug 22
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
Aug 23
ONT7:12 amOntario
5h 36m
1 stop
EUG12:48 pmEugene
$247
Alaska Airlines
Aug 22
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
Aug 26
ONT12:00 pmOntario
6h 58m
1 stop
EUG6:58 pmEugene
$282
Alaska Airlines
Aug 25
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
Aug 29
ONT7:12 amOntario
4h 46m
1 stop
EUG11:58 amEugene
$289

momondo Fare Finder

 
Customize your flight search to find flights from Eugene to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Eugene to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Sat 8/22

5:00 am-12:50 pm

1 stop7h 50m

Ontario

Sun 8/23

6:08 am-11:43 am

1 stop5h 35m

$237

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Sat 8/22

4:03 pm-8:24 pm

1 stop4h 21m

Ontario

Sun 8/23

7:12 am-12:48 pm

1 stop5h 36m

$247
Quickest round-trip

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Wed 9/30

2:50 pm-6:25 pm

1 stop3h 35m

Ontario

Thu 10/1

6:15 pm-11:30 pm

1 stop5h 15m

$275

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Wed 9/30

5:40 am-12:40 pm

2 stops7h 00m

Ontario

Thu 10/1

6:00 am-12:30 pm

1 stop6h 30m

$281

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Sat 8/22

4:03 pm-8:24 pm

1 stop4h 21m

Ontario

Wed 8/26

12:00 pm-6:58 pm

1 stop6h 58m

$282

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Wed 8/26

1:18 pm-7:03 pm

1 stop5h 45m

Ontario

Sat 8/29

12:00 pm-6:58 pm

1 stop6h 58m

$282

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Tue 8/25

6:10 am-11:16 am

1 stop5h 06m

Ontario

Sun 8/30

9:43 am-4:03 pm

1 stop6h 20m

$317

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Tue 8/25

6:10 am-11:16 am

1 stop5h 06m

Ontario

Sun 8/30

9:43 am-4:03 pm

1 stop6h 20m

$317

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Sun 8/23

1:57 pm-6:11 pm

1 stop4h 14m

Ontario

Wed 8/26

1:18 pm-9:17 pm

1 stop7h 59m

$317

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Sun 8/23

5:45 am-12:12 pm

1 stop6h 27m

Ontario

Fri 8/28

5:00 am-12:55 pm

1 stop7h 55m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Eugene to Ontario

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 Ontario?

In general, October is the cheapest month to fly from Eugene to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $264. If you aren’t able to travel during the month of October, then book flights to Ontario from Eugene during January instead. Flights to Ontario in January, while not as cheap as those in October, still average around $267.

How have Eugene to Ontario flight prices changed over time?

As of August 2026, prices for Eugene to Ontario flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Eugene to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Eugene to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Eugene to Ontario (EUG to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Eugene to Ontario

Fastest flight time

4h 14m

Direct flights

None
The fastest flight from Eugene to Ontario takes 4h 14m
There are no direct flights from Eugene to Ontario. There are no popular flight routes from Eugene to Ontario.
Search flight deals

Frequently asked questions about flying from Eugene to Ontario

  • How far is Eugene to Ontario by plane?

    Eugene and Ontario are 748.3 mi apart from one another. A reasonable flight in good conditions will take 4h 14m.

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

    Prices for flights from Eugene Airport to Ontario Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Eugene Airport to Ontario Airport?

  • How old do you have to be to fly from Eugene Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Eugene Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Eugene to Ontario?

Best airlines flying from Eugene to Ontario

Compare and see reviews for airlines that fly from Eugene to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $199Free CancellationRating
7.4
10,099 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $236Free CancellationRating
7.9
12,794 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $248Free CancellationRating
8.0
4,218 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Eugene to Ontario. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Ontario from Eugene which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Eugene to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Eugene.

I’m not ready to book a flight from Eugene to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Eugene and alert you when they change.

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