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Cheap flights from Eugene to Los Angeles from $121

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Delta Logo
12:29 pm - 5:21 pmEUG  Eugene-ONT Ontario
4h 52m1 stop Seattle/Tacoma Intl
Delta Logo
6:00 am - 12:58 pmONT  Ontario-EUG Eugene
6h 58m1 stop Seattle/Tacoma Intl
$267Delta
Wed, Sep 2 - Wed, Sep 16
Southwest Logo
11:15 am - 4:05 pmEUG  Eugene-ONT Ontario
4h 50m1 stop Las Vegas Harry Reid Intl
Southwest Logo
7:45 am - 12:55 pmONT  Ontario-EUG Eugene
5h 10m1 stop Las Vegas Harry Reid Intl
$267Southwest
Wed, Sep 2 - Wed, Sep 16
Southwest Logo
1:40 pm - 10:05 pmEUG  Eugene-ONT Ontario
8h 25m1 stop Denver Intl
Southwest Logo
3:00 pm - 9:15 pmONT  Ontario-EUG Eugene
6h 15m1 stop Sacramento Intl
$267Southwest
Wed, Sep 23 - Wed, Sep 30
Southwest Logo
11:15 am - 6:25 pmEUG  Eugene-ONT Ontario
7h 10m2 stops Las Vegas Harry Reid Intl San Jose
Southwest Logo
3:00 pm - 9:15 pmONT  Ontario-EUG Eugene
6h 15m1 stop Sacramento Intl
$272Southwest
Wed, Sep 2 - Wed, Sep 16
Delta Logo
5:51 pm - 10:40 pmEUG  Eugene-ONT Ontario
4h 49m1 stop Seattle/Tacoma Intl
Delta Logo
11:54 am - 5:11 pmONT  Ontario-EUG Eugene
5h 17m1 stop Seattle/Tacoma Intl
$274Delta
Mon, Sep 21 - Tue, Sep 22
Delta Logo
4:45 pm - 11:47 pmEUG  Eugene-ONT Ontario
7h 02m1 stop Salt Lake City
Delta Logo
6:20 am - 12:56 pmONT  Ontario-EUG Eugene
6h 36m1 stop Seattle/Tacoma Intl
$274Delta
Mon, Oct 5 - Sat, Oct 17
Alaska Airlines Logo
4:03 pm - 8:24 pmEUG  Eugene-ONT Ontario
4h 21m1 stop Portland
Alaska Airlines Logo
7:12 am - 11:58 amONT  Ontario-EUG Eugene
4h 46m1 stop Portland
$289Alaska Airlines
Tue, Aug 25 - Sat, Aug 29
Alaska Airlines Logo
6:05 am - 11:04 amEUG  Eugene-ONT Ontario
4h 59m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:02 am - 1:37 pmONT  Ontario-EUG Eugene
7h 35m1 stop Seattle/Tacoma Intl
$317Alaska Airlines
Sat, Aug 29 - Sun, Aug 30
United Airlines Logo
12:47 pm - 8:53 pmEUG  Eugene-ONT Ontario
8h 06m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:55 pmONT  Ontario-EUG Eugene
7h 55m1 stop Denver Intl
$337United Airlines
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
1:57 pm - 6:11 pmEUG  Eugene-ONT Ontario
4h 14m1 stop San Francisco
United Airlines Logo
5:00 am - 12:55 pmONT  Ontario-EUG Eugene
7h 55m1 stop Denver Intl
$340United Airlines
Thu, Aug 27 - Fri, Aug 28

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Delta flights from Eugene to Ontario

Our best Delta deals on Eugene to Ontario flight tickets
Delta
Sep 2
EUG12:29 pmEugene
4h 52m
1 stop
ONT5:21 pmOntario
Sep 16
ONT6:00 amOntario
6h 58m
1 stop
EUG12:58 pmEugene
$267
Delta
Sep 21
EUG5:51 pmEugene
4h 49m
1 stop
ONT10:40 pmOntario
Sep 22
ONT11:54 amOntario
5h 17m
1 stop
EUG5:11 pmEugene
$274
Delta
Sep 2
EUG12:29 pmEugene
4h 52m
1 stop
ONT5:21 pmOntario
Sep 16
ONT6:00 amOntario
6h 58m
1 stop
EUG12:58 pmEugene
$278

Southwest flights from Eugene to Ontario

Our best Southwest deals on Eugene to Ontario flight tickets
Southwest
Sep 2
EUG11:15 amEugene
7h 10m
2 stops
ONT6:25 pmOntario
Sep 16
ONT3:00 pmOntario
6h 15m
1 stop
EUG9:15 pmEugene
$272
Southwest
Sep 30
EUG2:50 pmEugene
3h 35m
1 stop
ONT6:25 pmOntario
Oct 1
ONT6:15 pmOntario
5h 15m
1 stop
EUG11:30 pmEugene
$275
Southwest
Sep 2
EUG11:15 amEugene
7h 10m
2 stops
ONT6:25 pmOntario
Sep 16
ONT2:10 pmOntario
7h 05m
2 stops
EUG9:15 pmEugene
$277

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 13, 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

Wed 9/2

12:29 pm-5:21 pm

1 stop4h 52m

Ontario

Wed 9/16

6:00 am-12:58 pm

1 stop6h 58m

$267

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Wed 9/2

11:15 am-4:05 pm

1 stop4h 50m

Ontario

Wed 9/16

7:45 am-12:55 pm

1 stop5h 10m

$267

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Wed 9/23

1:40 pm-10:05 pm

1 stop8h 25m

Ontario

Wed 9/30

3:00 pm-9:15 pm

1 stop6h 15m

$267

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Wed 9/2

11:15 am-6:25 pm

2 stops7h 10m

Ontario

Wed 9/16

3:00 pm-9:15 pm

1 stop6h 15m

$272

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Mon 9/21

5:51 pm-10:40 pm

1 stop4h 49m

Ontario

Tue 9/22

11:54 am-5:11 pm

1 stop5h 17m

$274

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Mon 10/5

4:45 pm-11:47 pm

1 stop7h 02m

Ontario

Sat 10/17

6:20 am-12:56 pm

1 stop6h 36m

$274
Quickest round-trip

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Tue 8/25

4:03 pm-8:24 pm

1 stop4h 21m

Ontario

Sat 8/29

7:12 am-11:58 am

1 stop4h 46m

$289

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Sat 8/29

6:05 am-11:04 am

1 stop4h 59m

Ontario

Sun 8/30

6:02 am-1:37 pm

1 stop7h 35m

$317

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Thu 8/27

12:47 pm-8:53 pm

1 stop8h 06m

Ontario

Mon 8/31

5:00 am-12:55 pm

1 stop7h 55m

$337

EugeneOntario

EUG Eugene - ONT Ontario

EUGONT

Eugene

Thu 8/27

1:57 pm-6:11 pm

1 stop4h 14m

Ontario

Fri 8/28

5:00 am-12:55 pm

1 stop7h 55m

$340

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 23m

Direct flights

None
The fastest flight from Eugene to Ontario takes 4h 23m
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 23m.

  • 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
10,114 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $236Free CancellationRating
7.9
12,804 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $236Free 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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