Route Price Intelligence
Cheap Flights From St. Louis to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$297
Great Deal
Under $274
Typical Range
$274 – $297
Lowest We've Seen
$145
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$297
Feb
$297
Mar
$329
Apr
$297
May
—
Jun
—
Jul
$279
Aug
$240
Sep
$269
Oct
$275
Nov
$297
Dec
$297
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 August, when fares average around $240. The most expensive month tends to be March at around $329. For the best deals, consider flying in August, September, October.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August21,435 fares analyzedTypical low: $270