Direct flights from Saint Louis to San Diego
All flights from STL to SAN non-stop. There are direct flights from Saint Louis Airport (STL), Missouri, USA to San Diego International Airport (SAN), California, USA with Southwest Airlines. 9 weekly departures are currently scheduled on this route. Departure times range from 07:55 to 22:45 depending on the schedule period. The flight distance is 1562 miles (2513 km). Flight time ranges from 3 hours and 40 minutes to 4 hours.
Saint Louis
, USA
Flight schedule from Saint Louis to San Diego with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-07-12
Saint Louis to San Diego scheduled departures
Select a date to see every published non-stop departure between STL and SAN.
STL - SAN route facts
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Distance1562 miles (2513 km)
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Flight time3 hours and 40 minutes to 4 hours
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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Departure terminalsTerminal 2
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Arrival terminalsTerminal 1
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AircraftBoeing 737-800 (winglets) Passenger/BBJ2, Boeing 737-700 Passenger (Scimitar Winglets) and Boeing 737MAX 8 Passenger
Route FAQ
Direct flights from Saint Louis to CA, USA
From Saint Louis to San Francisco
SFO San Francisco International
From Saint Louis to Sacramento
SMF Sacramento International
From Saint Louis to Los Angeles
LAX Los Angeles International
From Saint Louis to Burbank
BUR Burbank Glendale Pasadena
