Route Price Intelligence
Cheap Flights From San Diego to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$294
Deals From
$257
Usually Costs
$257 – $310
Lowest We've Seen
$145
Based on 8,405 price pointshigh confidence
Monthly Price Guide
Jan
$297
Feb
$324
Mar
$336
Apr
$245
May
$230
Jun
$274
Jul
$280
Aug
$270
Sep
$297
Oct
$297
Nov
$310
Dec
$338
Cheapest Average Expensive
Best Time to Fly from San Diego to Saint Louis
The cheapest time to fly from San Diego to Saint Louis is typically May, when fares average around $230. The most expensive month tends to be December at around $338. For the best deals, consider flying in May, April, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14589 price checksWorst: $258