Watch this Route
Enter Your Email to Get Alerts.
Congratulations!
You'll now receive email alerts on fares from St. Louis, MO (STL) to San Diego, CA (SAN).
There are no longer low prices for this route that meet our standards.
Last Published Fare:
$266 Flight from St. Louis, MO (STL) to San Diego, CA (SAN),
Southwest
Your Travel Dates: to
We did the hard work!
We've analyzed hotels and found the best values.
See Our List!