Southwest® flights from Santa Rosa to St. Louis from $216
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
Low fares from Santa Rosa to St. Louis
flight_land
$
Santa Rosa (STS)to
St. Louis (STL)
Depart: 04/09/2026
One-way
Basic
From
$216
Low fares from Santa Rosa to St. Louis
$
Santa Rosa (STS)to
St. Louis (STL)
Depart: 04/09/2026
One-way
Basic
From
$216
Seen: 4 hrs ago
Santa Rosa (STS)to
St. Louis (STL)
Depart: 04/09/2026
One-way
Choice
From
$256
Seen: 4 hrs ago
Santa Rosa (STS)to
St. Louis (STL)
Depart: 04/09/2026
One-way
Choice Preferred
From
$336
Seen: 4 hrs ago
Santa Rosa (STS)to
St. Louis (STL)
Depart: 04/09/2026
One-way
Choice Extra
From
$396
Seen: 4 hrs ago
Explore flights from Santa Rosa to St. Louis
location_on
location_on
Flight Details
Departing from:
Charles M. Schulz–Sonoma County Airport
Arriving at:
Lambert-St Louis Int'l Airport
Distance:
1746 miles
Route Information
31† 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 31 weekly flights from Santa Rosa to St. Louis on Southwest Airlines.
To find the lowest fares by day and time to fly Santa Rosa to St. Louis with Southwest, check out our Low Fare Calendar.
You can rent a car at Lambert-St Louis Int'l Airport book yours with your flight.
Yes! Flights from Santa Rosa to St. Louis—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.