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Cheap flights from Eugene to Los Angeles from $109

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 1/20. 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
0 bags

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Find the cheapest flights from Eugene to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:20 pm - 10:51 pm
EUG
-
ONT
5h 31m1 stop
Delta Logo
3:30 pm - 11:12 pm
ONT
-
EUG
7h 42m1 stop
$187Delta
Tue, Jan 6 - Tue, Jan 27
Delta Logo
5:20 pm - 10:51 pm
EUG
-
ONT
5h 31m1 stop
Delta Logo
1:10 pm - 11:12 pm
ONT
-
EUG
10h 02m2 stops
$192Delta
Tue, Jan 6 - Tue, Jan 27
Delta Logo
6:10 am - 4:15 pm
EUG
-
ONT
10h 05m2 stops
Delta Logo
1:10 pm - 11:12 pm
ONT
-
EUG
10h 02m2 stops
$198Delta
Wed, Jan 28 - Wed, Feb 4
Alaska Airlines Logo
9:01 am - 10:44 pm
EUG
-
ONT
13h 43m1 stop
Alaska Airlines Logo
6:14 am - 12:52 pm
ONT
-
EUG
6h 38m1 stop
$215Alaska Airlines
Tue, Feb 24 - Sat, Feb 28
Alaska Airlines Logo
9:01 am - 10:44 pm
EUG
-
ONT
13h 43m1 stop
Alaska Airlines Logo
6:14 am - 9:31 pm
ONT
-
EUG
15h 17m1 stop
$216Alaska Airlines
Wed, Feb 25 - Sun, Mar 1
American Airlines Logo
6:36 am - 12:03 pm
EUG
-
ONT
5h 27m1 stop
American Airlines Logo
12:57 pm - 9:01 pm
ONT
-
EUG
8h 04m1 stop
$217American Airlines
Tue, Jan 13 - Tue, Jan 20
Alaska Airlines Logo
3:56 pm - 8:36 pm
EUG
-
ONT
28h 40m2 stops
Alaska Airlines Logo
4:03 pm - 9:30 pm
ONT
-
EUG
5h 27m1 stop
$235Alaska Airlines
Mon, Jan 19 - Fri, Jan 23
Alaska Airlines Logo
5:51 pm - 12:14 am
EUG
-
ONT
6h 23m1 stop
Alaska Airlines Logo
7:56 pm - 1:08 pm
ONT
-
EUG
17h 12m2 stops
$236Alaska Airlines
Tue, Jan 6 - Tue, Jan 20
Delta Logo
6:20 am - 4:12 pm
EUG
-
ONT
9h 52m2 stops
Delta Logo
1:10 pm - 11:12 pm
ONT
-
EUG
10h 02m2 stops
$242Delta
Tue, Jan 6 - Tue, Jan 27
Alaska Airlines Logo
5:42 am - 1:06 pm
EUG
-
ONT
7h 24m2 stops
Alaska Airlines Logo
4:03 pm - 9:30 pm
ONT
-
EUG
5h 27m1 stop
$244Alaska Airlines
Wed, Feb 11 - Wed, Feb 11

Alaska Airlines flights from Eugene to Ontario

Our best Alaska Airlines deals on Eugene to Ontario flight tickets
Alaska Airlines
Feb 24
EUG9:01 amEugene
13h 43m
1 stop
ONT10:44 pmOntario
Feb 28
ONT6:14 amOntario
6h 38m
1 stop
EUG12:52 pmEugene
$215
Find similar
Alaska Airlines
Feb 25
EUG1:29 pmEugene
9h 15m
1 stop
ONT10:44 pmOntario
Mar 1
ONT6:14 amOntario
15h 17m
1 stop
EUG9:31 pmEugene
$216
Find similar
Alaska Airlines
Feb 24
EUG9:01 amEugene
26h 07m
1 stop
ONT11:08 amOntario
Feb 28
ONT7:00 amOntario
8h 24m
1 stop
EUG3:24 pmEugene
$224
Find similar

Delta flights from Eugene to Ontario

Our best Delta deals on Eugene to Ontario flight tickets
Delta
Jan 6
EUG5:20 pmEugene
5h 31m
1 stop
ONT10:51 pmOntario
Jan 27
ONT3:30 pmOntario
7h 42m
1 stop
EUG11:12 pmEugene
$187
Find similar
Delta
Jan 6
EUG6:20 amEugene
7h 36m
1 stop
ONT1:56 pmOntario
Jan 27
ONT1:10 pmOntario
10h 02m
2 stops
EUG11:12 pmEugene
$192
Find similar
Delta
Jan 6
EUG6:20 amEugene
9h 52m
2 stops
ONT4:12 pmOntario
Jan 27
ONT1:10 pmOntario
10h 02m
2 stops
EUG11:12 pmEugene
$198
Find similar

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 December 11, 2025.
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

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 1/6

5:20 pm-10:51 pm

1 stop5h 31m

Ontario

Tue 1/27

3:30 pm-11:12 pm

1 stop7h 42m

$187

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 1/6

5:20 pm-10:51 pm

1 stop5h 31m

Ontario

Tue 1/27

1:10 pm-11:12 pm

2 stops10h 02m

$192

EugeneOntario

EUG - ONT

EUGONT

Eugene

Wed 1/28

6:10 am-4:15 pm

2 stops10h 05m

Ontario

Wed 2/4

1:10 pm-11:12 pm

2 stops10h 02m

$198

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 2/24

9:01 am-10:44 pm

1 stop13h 43m

Ontario

Sat 2/28

6:14 am-12:52 pm

1 stop6h 38m

$215

EugeneOntario

EUG - ONT

EUGONT

Eugene

Wed 2/25

9:01 am-10:44 pm

1 stop13h 43m

Ontario

Sun 3/1

6:14 am-9:31 pm

1 stop15h 17m

$216

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 1/13

6:36 am-12:03 pm

1 stop5h 27m

Ontario

Tue 1/20

12:57 pm-9:01 pm

1 stop8h 04m

$217

EugeneOntario

EUG - ONT

EUGONT

Eugene

Mon 1/19

3:56 pm-8:36 pm

2 stops28h 40m

Ontario

Fri 1/23

4:03 pm-9:30 pm

1 stop5h 27m

$235

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 1/6

5:51 pm-12:14 am

1 stop6h 23m

Ontario

Tue 1/20

7:56 pm-1:08 pm

2 stops17h 12m

$236

EugeneOntario

EUG - ONT

EUGONT

Eugene

Tue 1/6

6:20 am-4:12 pm

2 stops9h 52m

Ontario

Tue 1/27

1:10 pm-11:12 pm

2 stops10h 02m

$242

EugeneOntario

EUG - ONT

EUGONT

Eugene

Wed 2/11

5:42 am-1:06 pm

2 stops7h 24m

Ontario

Wed 2/11

4:03 pm-9:30 pm

1 stop5h 27m

$244

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

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 August instead. Flights to Ontario in August, while not as cheap as those in October, still average around $267.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $316. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Eugene to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Eugene to Ontario when you can find flight prices for as low as $325. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $332 on average. Flights to Ontario from Eugene in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Eugene to Ontario flight prices changed over time?

As of December 2025, prices for Eugene to Ontario flights are approximately 72% 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 50m

Direct flights

None
The fastest flight from Eugene to Ontario takes 3h 50m
There are no direct flights from Eugene to Ontario. There are no popular flight routes from Eugene to Ontario.
Search flight deals

  • 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 50m.

  • 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 $212Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $239Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $265Free CancellationRating
8.0
11,431 reviews
Search Alaska Airlines 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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