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Find low faresSouthwest® flights from Ontario/LA to Eugene from $130
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1 Passenger
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Low fares from Ontario/LA to Eugene
$
Ontario/LA (ONT)to
Eugene (EUG)
Depart: 03/24/2026
One-way
Basic
From
$130
Seen: 19 hrs ago
Ontario/LA (ONT)to
Eugene (EUG)
Depart: 02/25/2026
One-way
Basic
From
$142
Seen: 17 hrs ago
Ontario/LA (ONT)to
Eugene (EUG)
Depart: 03/24/2026
One-way
Choice
From
$144
Seen: 19 hrs ago
Ontario/LA (ONT)to
Eugene (EUG)
Depart: 03/12/2026
One-way
Basic
From
$152
Seen: 18 hrs ago
Ontario/LA (ONT)to
Eugene (EUG)
Depart: 04/21/2026
One-way
Basic
From
$152
Seen: 14 hrs ago
Ontario/LA (ONT)to
Eugene (EUG)
Depart: 03/07/2026
One-way
Basic
From
$152
Seen: 7 hrs ago
Explore flights from Ontario/LA to Eugene
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Flight Details
Departing from:
LA/Ontario International Airport
Arriving at:
Eugene Airport
Distance:
757 miles
Route Information
64† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 64 weekly flights from Ontario/LA to Eugene on Southwest Airlines.
To find the lowest fares by day and time to fly Ontario/LA to Eugene with Southwest, check out our Low Fare Calendar.
You can rent a car at Eugene Airport book yours with your flight.
Yes! Flights from Ontario/LA to Eugene—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.