Route Price Intelligence
Cheap Flights From San Antonio to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$339
Deals From
$264
Usually Costs
$264 – $362
Lowest We've Seen
$136
Based on 4,160 price pointshigh confidence
Monthly Price Guide
Jan
$376
Feb
$376
Mar
$608
Apr
$282
May
$201
Jun
$230
Jul
$305
Aug
$327
Sep
$347
Oct
$358
Nov
$362
Dec
$367
Cheapest Average Expensive
Best Time to Fly from San Antonio to Saint Louis
The cheapest time to fly from San Antonio to Saint Louis is typically May, when fares average around $201. The most expensive month tends to be March at around $608. 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: $14072 price checksWorst: $192