Route Price Intelligence
Cheap Flights From San Diego to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$297
Deals From
$250
Usually Costs
$250 – $317
Lowest We've Seen
$145
Based on 8,590 price pointshigh confidence
Monthly Price Guide
Jan
$317
Feb
$324
Mar
$345
Apr
$250
May
$210
Jun
$250
Jul
$270
Aug
$270
Sep
$297
Oct
$297
Nov
$317
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 $210. The most expensive month tends to be March at around $345. 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: $15889 price checksWorst: $210