Featured airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from San José to Aspen (SJO-DEN)
Prices were available within the past 7 days and start at S$304 for one-way flights and S$664 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Mon, 23 Dec - Sat, 4 Jan
SJO
San José
DEN
Denver
S$664 Return, found 3 days ago
S$664
Return
found 3 days ago
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Mon, 23 Dec - Sat, 4 Jan
SJO
San José
DEN
Denver
S$678 Return, found 3 days ago
S$678
Return
found 3 days ago
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Sun, 22 Dec - Fri, 3 Jan
SJO
San José
DEN
Denver
S$710 Return, found 3 days ago
S$710
Return
found 3 days ago
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Sun, 22 Dec - Fri, 3 Jan
SJO
San José
DEN
Denver
S$715 Return, found 3 days ago
S$715
Return
found 3 days ago
![United](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)
Sun, 22 Dec - Fri, 3 Jan
SJO
San José
DEN
Denver
S$718 Return, found 3 days ago
S$718
Return
found 3 days ago
![Delta](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)
Sun, 22 Dec - Fri, 3 Jan
SJO
San José
DEN
Denver
S$722 Return, found 3 days ago
S$722
Return
found 3 days ago
Expedia's Latest Trends
Flights
Flights from Dallas to Rehoboth BeachFlights from Springfield to Vero BeachFlights from Salisbury to Vero BeachFlights from Salt Lake City to Glenwood SpringsFlights from San Jose to TemeculaFlights from Las Vegas to VictorvilleFlights from Missoula to TaosFlights from Sioux Falls to Coeur d'AleneFlights from Hooper Bay to ParoFlights from Taos to BozemanFlights from Scranton to BoulderFlights from Raleigh to HarrisonburgFlights from St. Louis to PontianakFlights from Los Angeles to Las VegasFlights from Singapore to SedonaFlights from Edmonton International Airport to HoughtonFlights from St. Petersburg - Clearwater to ProvoFlights from Tallahassee to Port CharlotteFlights from Omaha to Glenwood SpringsFlights from Cedar City to OgdenFlights from Pensacola to TaosFlights from Des Moines to Storm LakeFlights from Syracuse to Gulf ShoresFlights from Fresno to FredericksburgFlights from Indianapolis to StamfordFlights from Milwaukee to Mammoth LakesFlights from Liberia to San Juan del SurFlights from Nanaimo to PrincetonFlights from Tyler to HattiesburgFlights from Houston to Anaheim
*Available to Expedia members.