Route Price Intelligence
Cheap Flights From St. Louis to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$273
Deals From
$206
Usually Costs
$206 – $347
Lowest We've Seen
$56
Based on 8,673 price pointshigh confidence
Monthly Price Guide
Jan
$347
Feb
$347
Mar
$240
Apr
$174
May
$160
Jun
$208
Jul
$224
Aug
$224
Sep
$347
Oct
$347
Nov
$347
Dec
$358
Cheapest Average Expensive
Best Time to Fly from St. Louis to Denver
The cheapest time to fly from St. Louis to Denver is typically May, when fares average around $160. The most expensive month tends to be December at around $358. For the best deals, consider flying in May, April, June.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $5790 price checksWorst: $144