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Find low faresSouthwest® flights from Ontario/LA to Fresno from $136
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1 Passenger
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Low fares from Ontario/LA to Fresno
$
Ontario/LA (ONT)to
Fresno (FAT)
Depart: 03/03/2026
One-way
Basic
From
$136
Seen: 20 hrs ago
Ontario/LA (ONT)to
Fresno (FAT)
Depart: 03/23/2026
One-way
Basic
From
$145
Seen: 19 hrs ago
Ontario/LA (ONT)to
Fresno (FAT)
Depart: 03/02/2026
One-way
Basic
From
$145
Seen: 20 hrs ago
Ontario/LA (ONT)to
Fresno (FAT)
Depart: 03/09/2026
One-way
Basic
From
$145
Seen: 22 hrs ago
Ontario/LA (ONT)to
Fresno (FAT)
Depart: 03/05/2026
One-way
Basic
From
$145
Seen: 23 hrs ago
Ontario/LA (ONT)to
Fresno (FAT)
Depart: 02/26/2026
One-way
Basic
From
$145
Seen: 13 hrs ago
Explore flights from Ontario/LA to Fresno
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Flight Details
Departing from:
LA/Ontario International Airport
Arriving at:
Fresno Yosemite International Airport
Distance:
222 miles
Route Information
67† 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 67 weekly flights from Ontario/LA to Fresno on Southwest Airlines.
To find the lowest fares by day and time to fly Ontario/LA to Fresno with Southwest, check out our Low Fare Calendar.
You can rent a car at Fresno Yosemite International Airport book yours with your flight.
Yes! Flights from Ontario/LA to Fresno—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.