Route Price Intelligence
Cheap Flights From St. Louis to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$335
Deals From
$250
Usually Costs
$250 – $381
Lowest We've Seen
$136
Based on 266 price pointshigh confidence
Monthly Price Guide
Jan
$381
Feb
—
Mar
—
Apr
$339
May
$201
Jun
$210
Jul
$294
Aug
$312
Sep
$342
Oct
$376
Nov
$378
Dec
$381
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 May, when fares average around $201. The most expensive month tends to be January at around $381. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14072 price checksWorst: $286