Route Price Intelligence
Cheap Flights From St. Louis to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$291
Deals From
$271
Usually Costs
$271 – $292
Lowest We've Seen
$136
Based on 8,112 price pointshigh confidence
Monthly Price Guide
Jan
$291
Feb
$312
Mar
$291
Apr
$241
May
$229
Jun
$287
Jul
$291
Aug
$291
Sep
$291
Oct
$291
Nov
$291
Dec
$291
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 $229. The most expensive month tends to be February at around $312. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13687 price checksWorst: $286