Route Price Intelligence
Cheap Flights From St. Louis to Chicago
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$337
Deals From
$280
Usually Costs
$280 – $337
Lowest We've Seen
$89
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$337
Feb
—
Mar
—
Apr
$511
May
$245
Jun
$267
Jul
$290
Aug
$290
Sep
$337
Oct
$337
Nov
$337
Dec
$337
Cheapest Average Expensive
Best Time to Fly from St. Louis to Chicago
The cheapest time to fly from St. Louis to Chicago is typically May, when fares average around $245. The most expensive month tends to be April at around $511. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $8971 price checksWorst: $186