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Find low faresSouthwest® flights from Steamboat Springs to Ontario/LA from $160
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1 Passenger
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today
Low fares from Steamboat Springs to Ontario/LA
$
Steamboat Springs (HDN)to
Ontario/LA (ONT)
Depart: 02/18/2026
One-way
Basic
From
$160
Seen: 8 hrs ago
Steamboat Springs (HDN)to
Ontario/LA (ONT)
Depart: 02/18/2026
One-way
Choice
From
$195
Seen: 8 hrs ago
Steamboat Springs (HDN)to
Ontario/LA (ONT)
Depart: 02/18/2026
One-way
Choice Preferred
From
$265
Seen: 8 hrs ago
Steamboat Springs (HDN)to
Ontario/LA (ONT)
Depart: 02/18/2026
One-way
Choice Extra
From
$310
Seen: 8 hrs ago
Explore flights from Steamboat Springs to Ontario/LA
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Flight Details
Departing from:
Yampa Valley Airport
Arriving at:
LA/Ontario International Airport
Distance:
723 miles
Route Information
27† 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 27 weekly flights from Steamboat Springs to Ontario/LA on Southwest Airlines.
To find the lowest fares by day and time to fly Steamboat Springs to Ontario/LA with Southwest, check out our Low Fare Calendar.
You can rent a car at LA/Ontario International Airport book yours with your flight.
Yes! Flights from Steamboat Springs to Ontario/LA—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.