Route Price Intelligence
Cheap Flights From St. Louis to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$237
Deals From
$237
Usually Costs
$237 – $288
Lowest We've Seen
$145
Based on 8,530 price pointshigh confidence
Monthly Price Guide
Jan
$316
Feb
$257
Mar
$260
Apr
$257
May
$312
Jun
$382
Jul
$382
Aug
$380
Sep
$380
Oct
$380
Nov
$380
Dec
$382
Cheapest Average Expensive
Best Time to Fly from St. Louis to San Diego
The cheapest time to fly from St. Louis to San Diego is typically February, when fares average around $257. The most expensive month tends to be July at around $382. For the best deals, consider flying in February, April, March.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $14559 price checksWorst: $190