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Find low faresSouthwest® flights from Ontario/LA to Rochester from $130
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1 Passenger
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Low fares from Ontario/LA to Rochester
$
Ontario/LA (ONT)to
Rochester (ROC)
Depart: 02/26/2026
One-way
Basic
From
$130
Seen: 10 hrs ago
Ontario/LA (ONT)to
Rochester (ROC)
Depart: 02/28/2026
One-way
Basic
From
$149
Seen: 13 hrs ago
Ontario/LA (ONT)to
Rochester (ROC)
Depart: 02/27/2026
One-way
Basic
From
$164
Seen: 10 hrs ago
Ontario/LA (ONT)to
Rochester (ROC)
Depart: 03/05/2026
One-way
Basic
From
$169
Seen: 1 hour ago
Ontario/LA (ONT)to
Rochester (ROC)
Depart: 02/26/2026
One-way
Choice
From
$170
Seen: 10 hrs ago
Ontario/LA (ONT)to
Rochester (ROC)
Depart: 02/28/2026
One-way
Choice
From
$189
Seen: 13 hrs ago
Explore flights from Ontario/LA to Rochester
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Flight Details
Departing from:
LA/Ontario International Airport
Arriving at:
Greater Rochester International Airport
Distance:
2227 miles
Route Information
46† 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 46 weekly flights from Ontario/LA to Rochester on Southwest Airlines.
To find the lowest fares by day and time to fly Ontario/LA to Rochester with Southwest, check out our Low Fare Calendar.
You can rent a car at Greater Rochester International Airport book yours with your flight.
Yes! Flights from Ontario/LA to Rochester—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.