Route Price Intelligence
Cheap Flights From St. Louis to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$339
Great Deal
Under $295
Typical Range
$295 – $410
Lowest We've Seen
$136
Based on 482 price pointshigh confidence
Monthly Price Guide
Jan
$394
Feb
$395
Mar
$449
Apr
—
May
—
Jun
—
Jul
$479
Aug
$281
Sep
$294
Oct
$275
Nov
$346
Dec
$395
Cheapest Average Expensive
Best Time to Fly from St. Louis to San Antonio
The cheapest time to fly from St. Louis to San Antonio is typically October, when fares average around $275. The most expensive month tends to be July at around $479. For the best deals, consider flying in October, August, September.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August21,388 fares analyzedTypical low: $269