Route Price Intelligence
Cheap Flights From Chicago to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 5d ago
$57Amazing deal to the Rockies! Frontier nonstop from Chicago to Denver for just $57 roundtrip. This ties our all-time low price - book fast for mountain adventures.
✓ 4 date combinations found at this price
Search Google FlightsTypical Price
$212
Deals From
$180
Usually Costs
$180 – $245
Lowest We've Seen
$57
Based on 8,305 price pointshigh confidence
Monthly Price Guide
Jan
$221
Feb
$165
Mar
$177
Apr
$154
May
$204
Jun
$225
Jul
$225
Aug
$225
Sep
$225
Oct
$225
Nov
$225
Dec
$225
Cheapest Average Expensive
Best Time to Fly from Chicago to Denver
The cheapest time to fly from Chicago to Denver is typically April, when fares average around $154. The most expensive month tends to be September at around $225. For the best deals, consider flying in April, February, March.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $5785 price checksWorst: $139