Route Price Intelligence
Cheap Flights From Chicago to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 3d ago
$138Escape to the Rockies! Frontier nonstop from Chicago to Denver for just $138. Perfect for skiing, hiking, or exploring downtown Denver's craft beer scene.
✓ 15 date combinations found at this price
Search Google FlightsTypical Price
$255
Deals From
$138
Usually Costs
$138 – $264
Lowest We've Seen
$57
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$255
Feb
—
Mar
—
Apr
$210
May
$168
Jun
$208
Jul
$214
Aug
$230
Sep
$255
Oct
$255
Nov
$265
Dec
$265
Cheapest Average Expensive
Best Time to Fly from Chicago to Denver
The cheapest time to fly from Chicago to Denver is typically May, when fares average around $168. The most expensive month tends to be December at around $265. For the best deals, consider flying in May, June, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $5768 price checksWorst: $125