Route Price Intelligence
Cheap Flights From St. Louis to Chicago
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$222
Great Deal
Under $97
Typical Range
$97 – $347
Lowest We've Seen
$89
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$222
Feb
$222
Mar
$347
Apr
$347
May
—
Jun
—
Jul
$372
Aug
$180
Sep
$97
Oct
$97
Nov
$222
Dec
$222
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 $97. The most expensive month tends to be July at around $372. For the best deals, consider flying in October, September, August.
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: July22,131 fares analyzedTypical low: $315