- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Cologne (CGN) to Aspen (DEN)
Prices were available within the past 7 days and start at AU$993 for one-way flights and AU$1,314 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.
![KLM](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)
Thu., 15 Aug. - Mon., 19 Aug.
DUS
Düsseldorf
DEN
Denver
AU$1,314 Return, found 2 days ago
AU$1,314
Return
found 2 days ago
![Delta](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)
Thu., 15 Aug. - Mon., 19 Aug.
DUS
Düsseldorf
DEN
Denver
AU$1,344 Return, found 2 days ago
AU$1,344
Return
found 2 days ago
![KLM](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)
Thu., 15 Aug. - Mon., 19 Aug.
DUS
Düsseldorf
DEN
Denver
AU$1,348 Return, found 2 days ago
AU$1,348
Return
found 2 days ago
![Delta](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)
Thu., 15 Aug. - Mon., 19 Aug.
DUS
Düsseldorf
DEN
Denver
AU$1,378 Return, found 2 days ago
AU$1,378
Return
found 2 days ago
![KLM](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)
Thu., 15 Aug. - Mon., 19 Aug.
DUS
Düsseldorf
DEN
Denver
AU$1,412 Return, found 2 days ago
AU$1,412
Return
found 2 days ago
![KLM](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif)
Thu., 15 Aug. - Mon., 19 Aug.
DUS
Düsseldorf
DEN
Denver
AU$1,471 Return, found 2 days ago
AU$1,471
Return
found 2 days ago
Nearby Cities
Expedia's Latest Trends
Hotels
Flynns Beach Caravan ParkHotels in ToulouseToora Tourist ParkCentara Grand at CentralWorldCauseway 353 HotelMotels GunningHotels in ViatorBreakFree Royal HarbourHotels in Santa FeHotel Gin Bugis SingaporeCross Bali BreakersGrand Manor Motor Inn - QueanbeyanSurf Parade ResortHotels in Latin QuarterCamp RipanCatalonia Avinyó
Flights
Flights from Honolulu to MauiFlights from Brisbane to HonoluluFlights from Sydney to HonoluluFlights from London (LHR) to Melbourne (MEL)Flights from Perth to HonoluluFlights from Sydney (SYD) to Corfu (CFU)Flights from Honiara to HonoluluFlights from Sydney to Los AngelesFlights from Angurugu (GTE) to Cairns (CNS)
*Available to Expedia members.