Route Price Intelligence
Cheap Flights From St. Louis to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$294
Deals From
$260
Usually Costs
$260 – $308
Lowest We've Seen
$145
Based on 8,399 price pointshigh confidence
Monthly Price Guide
Jan
$297
Feb
$338
Mar
$310
Apr
$250
May
$230
Jun
$270
Jul
$274
Aug
$270
Sep
$297
Oct
$297
Nov
$310
Dec
$318
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 May, when fares average around $230. The most expensive month tends to be February at around $338. 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: $16089 price checksWorst: $210