Route Price Intelligence
Cheap Flights From St. Louis to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$377
Deals From
$313
Usually Costs
$313 – $435
Lowest We've Seen
$136
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$430
Feb
$439
Mar
$419
Apr
—
May
—
Jun
$568
Jul
$289
Aug
$308
Sep
$345
Oct
$317
Nov
$400
Dec
$435
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 July, when fares average around $289. The most expensive month tends to be June at around $568. For the best deals, consider flying in July, August, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14072 price checksWorst: $286