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Find low faresSouthwest® flights from Ontario/LA to Miami from $151
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1 Passenger
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today
Low fares from Ontario/LA to Miami
$
Ontario/LA (ONT)to
Miami (MIA)
Depart: 03/17/2026
One-way
Basic
From
$151
Seen: 1 hour ago
Ontario/LA (ONT)to
Miami (MIA)
Depart: 03/04/2026
One-way
Basic
From
$156
Seen: 13 hrs ago
Ontario/LA (ONT)to
Miami (MIA)
Depart: 03/07/2026
One-way
Basic
From
$164
Seen: 4 hrs ago
Ontario/LA (ONT)to
Miami (MIA)
Depart: 05/09/2026
One-way
Basic
From
$164
Seen: 8 hrs ago
Ontario/LA (ONT)to
Miami (MIA)
Depart: 03/02/2026
One-way
Basic
From
$164
Seen: 7 hrs ago
Ontario/LA (ONT)to
Miami (MIA)
Depart: 03/25/2026
One-way
Basic
From
$169
Seen: 13 hrs ago
Explore flights from Ontario/LA to Miami
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Flight Details
Departing from:
LA/Ontario International Airport
Arriving at:
Miami International Airport
Distance:
2296 miles
Route Information
52† 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 52 weekly flights from Ontario/LA to Miami on Southwest Airlines.
To find the lowest fares by day and time to fly Ontario/LA to Miami with Southwest, check out our Low Fare Calendar.
You can rent a car at Miami International Airport book yours with your flight.
Yes! Flights from Ontario/LA to Miami—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.