Route Price Intelligence
Cheap Flights From San Diego to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$347
Great Deal
Under $338
Typical Range
$338 – $347
Lowest We've Seen
$145
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$342
Feb
$342
Mar
$347
Apr
$347
May
$347
Jun
$383
Jul
—
Aug
—
Sep
$337
Oct
$284
Nov
$301
Dec
$342
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 October, when fares average around $284. The most expensive month tends to be June at around $383. For the best deals, consider flying in October, November, September.
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: September13,943 fares analyzedTypical low: $297