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Find low faresSouthwest® flights from Richmond to St. Louis from $163
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Low fares from Richmond to St. Louis
$
Richmond (RIC)to
St. Louis (STL)
Depart: 04/04/2026
One-way
Basic
From
$163
Seen: 18 hrs ago
Richmond (RIC)to
St. Louis (STL)
Depart: 04/20/2026
One-way
Basic
From
$163
Seen: 16 hrs ago
Richmond (RIC)to
St. Louis (STL)
Depart: 02/21/2026
One-way
Basic
From
$170
Seen: 5 hrs ago
Richmond (RIC)to
St. Louis (STL)
Depart: 03/18/2026
One-way
Basic
From
$184
Seen: 12 hrs ago
Richmond (RIC)to
St. Louis (STL)
Depart: 04/06/2026
One-way
Basic
From
$184
Seen: 18 hrs ago
Richmond (RIC)to
St. Louis (STL)
Depart: 04/05/2026
One-way
Basic
From
$184
Seen: 18 hrs ago
Explore flights from Richmond to St. Louis
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Flight Details
Departing from:
Richmond International Airport
Arriving at:
Lambert-St Louis Int'l Airport
Distance:
716 miles
Route Information
80† 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 80 weekly flights from Richmond to St. Louis on Southwest Airlines.
To find the lowest fares by day and time to fly Richmond 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 Richmond 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.