Cheap Flights from Cologne to Aspen

View €697 flight on Thu, 11 Sep 2025Opens in a new window

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Cheap flights from Cologne to Aspen (CGN-DEN)

Prices were available within the past 7 days and start at €697 for one-way flights and €525 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 11 Sep - Thu, 20 Nov
DUS
Düsseldorf
DEN
Denver
€525 Return, found 4 days ago
€525
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 11 Sep from Düsseldorf to Denver, returning Thu, 20 Nov, priced at €525 found 4 days ago
United
Thu, 11 Sep - Thu, 20 Nov
DUS
Düsseldorf
DEN
Denver
€548 Return, found 4 days ago
€548
Return
found 4 days ago
Select United flight, departing Thu, 11 Sep from Düsseldorf to Denver, returning Thu, 20 Nov, priced at €548 found 4 days ago
British Airways
Thu, 11 Sep - Mon, 15 Sep
CGN
Cologne
DEN
Denver
€558 Return, found 6 days ago
€558
Return
found 6 days ago
Select British Airways flight, departing Thu, 11 Sep from Cologne to Denver, returning Mon, 15 Sep, priced at €558 found 6 days ago
American Airlines
Fri, 12 Sep - Fri, 21 Nov
DUS
Düsseldorf
DEN
Denver
€621 Return, found 4 days ago
€621
Return
found 4 days ago
Select American Airlines flight, departing Fri, 12 Sep from Düsseldorf to Denver, returning Fri, 21 Nov, priced at €621 found 4 days ago
Air Canada
Thu, 11 Sep - Thu, 20 Nov
DUS
Düsseldorf
DEN
Denver
€719 Return, found 4 days ago
€719
Return
found 4 days ago
Select Air Canada flight, departing Thu, 11 Sep from Düsseldorf to Denver, returning Thu, 20 Nov, priced at €719 found 4 days ago
Aer Lingus
Thu, 11 Sep - Thu, 20 Nov
DUS
Düsseldorf
DEN
Denver
€737 Return, found 4 days ago
€737
Return
found 4 days ago
Select Aer Lingus flight, departing Thu, 11 Sep from Düsseldorf to Denver, returning Thu, 20 Nov, priced at €737 found 4 days ago
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