Flights to Aspen from Chicago

View ฿3,530 flight on Sat, 25 Oct 2025Opens in a new window

Popular airlines from Chicago to Aspen

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Cheap Flights from Chicago (CHI) to Aspen (DEN)

Prices were available within the past 7 days and start at ฿3,530 for one-way flights and ฿7,060 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 25 Oct - Sat, 1 Nov
ORD
Chicago
DEN
Denver
฿7,060 Return, found 18 hours ago
฿7,060
Return
found 18 hours ago
Select Delta flight, departing Sat, 25 Oct from Chicago to Denver, returning Sat, 1 Nov, priced at ฿7,060 found 18 hours ago
Delta
Sat, 25 Oct - Sat, 1 Nov
ORD
Chicago
DEN
Denver
฿7,230 Return, found 18 hours ago
฿7,230
Return
found 18 hours ago
Select Delta flight, departing Sat, 25 Oct from Chicago to Denver, returning Sat, 1 Nov, priced at ฿7,230 found 18 hours ago
Delta
Sat, 25 Oct - Sat, 1 Nov
ORD
Chicago
DEN
Denver
฿7,260 Return, found 18 hours ago
฿7,260
Return
found 18 hours ago
Select Delta flight, departing Sat, 25 Oct from Chicago to Denver, returning Sat, 1 Nov, priced at ฿7,260 found 18 hours ago
American Airlines
Sat, 25 Oct - Sat, 1 Nov
ORD
Chicago
DEN
Denver
฿7,395 Return, found 18 hours ago
฿7,395
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 25 Oct from Chicago to Denver, returning Sat, 1 Nov, priced at ฿7,395 found 18 hours ago
United
Sat, 25 Oct - Sat, 1 Nov
ORD
Chicago
DEN
Denver
฿7,395 Return, found 18 hours ago
฿7,395
Return
found 18 hours ago
Select United flight, departing Sat, 25 Oct from Chicago to Denver, returning Sat, 1 Nov, priced at ฿7,395 found 18 hours ago
United
Sat, 25 Oct - Sat, 1 Nov
ORD
Chicago
DEN
Denver
฿7,400 Return, found 18 hours ago
฿7,400
Return
found 18 hours ago
Select United flight, departing Sat, 25 Oct from Chicago to Denver, returning Sat, 1 Nov, priced at ฿7,400 found 18 hours ago

Find the cheapest month to fly from Chicago (CHI) to Denver (DEN)

March is typically the cheapest month to fly

From ฿1,549 - ฿17,470 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.