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
$250
Usually Costs
$250 – $337
Lowest We've Seen
$89
Based on 8,459 price pointshigh confidence
Monthly Price Guide
Jan
$337
Feb
$337
Mar
$381
Apr
$291
May
$200
Jun
$250
Jul
$304
Aug
$280
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 $200. The most expensive month tends to be March at around $381. 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: $8990 price checksWorst: $317