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
Deals From
$260
Usually Costs
$260 – $362
Lowest We've Seen
$136
Based on 3,864 price pointshigh confidence
Monthly Price Guide
Jan
$362
Feb
$375
Mar
$425
Apr
$280
May
$205
Jun
$230
Jul
$305
Aug
$335
Sep
$351
Oct
$354
Nov
$362
Dec
$370
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 $205. The most expensive month tends to be March at around $425. For the best deals, consider flying in May, June, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14074 price checksWorst: $286