Route Price Intelligence
Cheap Flights From St. Louis to Chicago
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$318
Great Deal
Under $269
Typical Range
$269 – $367
Lowest We've Seen
$89
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$269
Feb
$269
Mar
$378
Apr
$367
May
$367
Jun
—
Jul
—
Aug
—
Sep
$324
Oct
$256
Nov
$278
Dec
$269
Cheapest Average Expensive
Best Time to Fly from St. Louis to Chicago
The cheapest time to fly from St. Louis to Chicago is typically October, when fares average around $256. The most expensive month tends to be March at around $378. For the best deals, consider flying in October, December, January.
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: September13,886 fares analyzedTypical low: $317