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Cheap flights from Eugene to Los Angeles from $145

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 7/28. 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.
Alaska Airlines Logo
6:00 am - 1:09 pm
EUG
-
ONT
7h 09m
1 stop
Alaska Airlines Logo
9:20 pm - 9:07 am
ONT
-
EUG
11h 47m
1 stop
$289Alaska Airlines
Tue, Jul 28 - Sat, Aug 1
Southwest Logo
5:25 am - 9:35 am
EUG
-
ONT
4h 10m
1 stop
Southwest Logo
5:40 am - 12:45 pm
ONT
-
EUG
7h 05m
2 stops
$294Southwest
Tue, Jul 28 - Sat, Aug 1
Alaska Airlines Logo
4:03 pm - 8:24 pm
EUG
-
ONT
4h 21m
1 stop
Alaska Airlines Logo
10:47 am - 3:26 pm
ONT
-
EUG
4h 39m
1 stop
$296Alaska Airlines
Sat, Aug 22 - Mon, Aug 24
Alaska Airlines Logo
5:26 am - 10:49 am
EUG
-
ONT
5h 23m
1 stop
Alaska Airlines Logo
6:56 pm - 11:57 pm
ONT
-
EUG
5h 01m
1 stop
$302Alaska Airlines
Tue, Oct 27 - Wed, Oct 28
Southwest Logo
5:20 pm - 10:00 pm
EUG
-
ONT
4h 40m
1 stop
Southwest Logo
5:40 am - 12:15 pm
ONT
-
EUG
6h 35m
2 stops
$307Southwest
Sat, Aug 1 - Sat, Aug 8
Southwest Logo
1:15 pm - 9:15 pm
EUG
-
ONT
8h 00m
2 stops
Southwest Logo
5:45 am - 11:45 am
ONT
-
EUG
6h 00m
2 stops
$312Southwest
Thu, Sep 3 - Tue, Sep 15
Alaska Airlines Logo
12:34 pm - 5:18 pm
EUG
-
ONT
4h 44m
1 stop
Alaska Airlines Logo
7:12 am - 12:54 pm
ONT
-
EUG
5h 42m
1 stop
$315Alaska Airlines
Tue, Sep 8 - Tue, Sep 22
Delta Logo
5:20 am - 12:16 pm
EUG
-
ONT
6h 56m
1 stop
Delta Logo
6:01 pm - 11:59 pm
ONT
-
EUG
5h 58m
1 stop
$316Delta
Thu, Aug 27 - Mon, Aug 31
Alaska Airlines Logo
4:03 pm - 8:24 pm
EUG
-
ONT
4h 21m
1 stop
Alaska Airlines Logo
6:05 pm - 10:41 pm
ONT
-
EUG
4h 36m
1 stop
$317Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
Southwest Logo
5:25 am - 2:05 pm
EUG
-
ONT
8h 40m
2 stops
Southwest Logo
5:40 am - 12:45 pm
ONT
-
EUG
7h 05m
2 stops
$339Southwest
Tue, Jul 28 - Sat, Aug 1

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Alaska Airlines flights from Eugene to Ontario

Our best Alaska Airlines deals on Eugene to Ontario flight tickets
Alaska Airlines
Jul 28
EUG6:00 amEugene
7h 09m
1 stop
ONT1:09 pmOntario
Aug 1
ONT9:20 pmOntario
11h 47m
1 stop
EUG9:07 amEugene
$289
Alaska Airlines
Aug 22
EUG4:03 pmEugene
4h 21m
1 stop
ONT8:24 pmOntario
Aug 24
ONT10:47 amOntario
4h 39m
1 stop
EUG3:26 pmEugene
$296
Alaska Airlines
Oct 27
EUG5:26 amEugene
5h 23m
1 stop
ONT10:49 amOntario
Oct 28
ONT6:56 pmOntario
5h 01m
1 stop
EUG11:57 pmEugene
$302

Southwest flights from Eugene to Ontario

Our best Southwest deals on Eugene to Ontario flight tickets
Southwest
Jul 28
EUG5:25 amEugene
4h 10m
1 stop
ONT9:35 amOntario
Aug 1
ONT5:40 amOntario
7h 05m
2 stops
EUG12:45 pmEugene
$294
Southwest
Aug 1
EUG5:20 pmEugene
4h 40m
1 stop
ONT10:00 pmOntario
Aug 8
ONT5:40 amOntario
6h 35m
2 stops
EUG12:15 pmEugene
$307
Southwest
Sep 3
EUG1:15 pmEugene
8h 00m
2 stops
ONT9:15 pmOntario
Sep 15
ONT5:45 amOntario
6h 00m
2 stops
EUG11:45 amEugene
$312

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 July 6, 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 - ONT

EUGONT

Eugene

Tue 7/28

6:00 am-1:09 pm

1 stop7h 09m

Ontario

Sat 8/1

9:20 pm-9:07 am

1 stop11h 47m

$289

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 7/28

5:25 am-9:35 am

1 stop4h 10m

Ontario

Sat 8/1

5:40 am-12:45 pm

2 stops7h 05m

$294

EugeneOntario

EUG - ONT

EUGONT

Eugene

Sat 8/22

4:03 pm-8:24 pm

1 stop4h 21m

Ontario

Mon 8/24

10:47 am-3:26 pm

1 stop4h 39m

$296

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 10/27

5:26 am-10:49 am

1 stop5h 23m

Ontario

Wed 10/28

6:56 pm-11:57 pm

1 stop5h 01m

$302

EugeneOntario

EUG - ONT

EUGONT

Eugene

Sat 8/1

5:20 pm-10:00 pm

1 stop4h 40m

Ontario

Sat 8/8

5:40 am-12:15 pm

2 stops6h 35m

$307

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 9/3

1:15 pm-9:15 pm

2 stops8h 00m

Ontario

Tue 9/15

5:45 am-11:45 am

2 stops6h 00m

$312

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 9/8

12:34 pm-5:18 pm

1 stop4h 44m

Ontario

Tue 9/22

7:12 am-12:54 pm

1 stop5h 42m

$315

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 8/27

5:20 am-12:16 pm

1 stop6h 56m

Ontario

Mon 8/31

6:01 pm-11:59 pm

1 stop5h 58m

$316
Quickest round-trip

EugeneOntario

EUG - ONT

EUGONT

Eugene

Sat 8/22

4:03 pm-8:24 pm

1 stop4h 21m

Ontario

Sat 8/29

6:05 pm-10:41 pm

1 stop4h 36m

$317

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 7/28

5:25 am-2:05 pm

2 stops8h 40m

Ontario

Sat 8/1

5:40 am-12:45 pm

2 stops7h 05m

$339

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 July 2026, prices for Eugene to Ontario flights are approximately 43% 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

3h 35m

Direct flights

None
The fastest flight from Eugene to Ontario takes 3h 35m
There are no direct flights from Eugene to Ontario. There are no popular flight routes from Eugene to Ontario.
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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 3h 35m.

  • 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
9,938 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $236Free CancellationRating
7.9
12,625 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $236Free CancellationRating
7.9
4,252 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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