Route Price Intelligence
Cheap Flights From St. Louis to Chicago
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$320
Deals From
$230
Usually Costs
$230 – $337
Lowest We've Seen
$89
Based on 4,014 price pointshigh confidence
Monthly Price Guide
Jan
$337
Feb
$337
Mar
$337
Apr
$358
May
$191
Jun
$230
Jul
$270
Aug
$250
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 $191. The most expensive month tends to be April at around $358. For the best deals, consider flying in May, June, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $8974 price checksWorst: $186