Route Price Intelligence
Cheap Flights From Kansas City to Saint Louis
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$361
Deals From
$313
Usually Costs
$313 – $371
Lowest We've Seen
$138
Based on 6,904 price pointshigh confidence
Monthly Price Guide
Jan
$371
Feb
$371
Mar
$466
Apr
$333
May
$313
Jun
$321
Jul
$327
Aug
$311
Sep
$371
Oct
$371
Nov
$371
Dec
$371
Cheapest Average Expensive
Best Time to Fly from Kansas City to Saint Louis
The cheapest time to fly from Kansas City to Saint Louis is typically August, when fares average around $311. The most expensive month tends to be March at around $466. For the best deals, consider flying in August, May, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13880 price checksWorst: $252