Route Price Intelligence
Cheap Flights From St. Louis to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$321
Great Deal
Under $286
Typical Range
$286 – $395
Lowest We've Seen
$136
Based on 241 price pointshigh confidence
Monthly Price Guide
Jan
$394
Feb
$392
Mar
$449
Apr
—
May
—
Jun
—
Jul
$481
Aug
$285
Sep
$288
Oct
$275
Nov
$341
Dec
$394
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 $481. 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: September13,341 fares analyzedTypical low: $279