The Aspen to Denver route connects Aspen-Pitkin County Airport (Sardy Field) (ASE) in US with Denver International Airport (DEN) in US. This short-haul flight covers approximately 181 miles (291 km) with a typical flight time of 28m. This route is operated by SkyWest. AirportRoutes has tracked 18 unique flight numbers on this route.
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The Aspen (ASE) → Denver (DEN) route spans 125 miles (201 km) across Colorado’s Rocky Mountains. It’s a high-value hop for skiers, business travelers, and international connectors who need fast access from a resort town to a major hub. Typical block time is about 45–60 minutes, though mountain weather and air-traffic flow into Denver can affect schedules. Travelers choose this route to avoid the longer, winding drive over mountain passes and to connect efficiently to DEN’s extensive domestic and global network. Expect dramatic aerial views of alpine valleys and peaks shortly after departure, followed by a quick descent onto the Front Range. It’s especially popular during winter weekends and holiday periods when Aspen’s lodging and ground transport demand spikes.
Book early for peak ski weeks; limited seats on regional aircraft can push fares higher, and last-minute changes are common. If your schedule is tight, choose earlier departures to reduce cascading delays from mountain weather. At ASE, arrive with extra time for winter conditions and potential deicing; carry-on-only can speed your exit from the small terminal. At DEN, plan for longer walks and train transfers between concourses—check your gate and connection time before landing. Pack essentials in your personal item in case checked bags are delayed. Expect occasional turbulence over terrain and possible holding patterns near Denver during storms. Prices are in USD, and flexible fares can be worth it during high-demand periods.
Denver blends outdoor access with big-city culture. Downtown and LoDo offer historic warehouses turned into restaurants, breweries, and galleries, while Union Station anchors dining and transit. For museums, prioritize the Denver Art Museum and the Museum of Nature & Science; families also love the Denver Zoo and City Park. Catch a game at Coors Field or explore Red Rocks nearby for iconic concerts and trails. Food highlights include green chile, bison burgers, and modern Mexican—especially around RiNo and Highlands. For day trips, Boulder and Golden are close, and the Front Range foothills deliver quick hikes with skyline views. Denver’s craft beer scene is a standout year-round.
For smoother operations and better value, fly in April–May or September–October, when weather is milder and demand is lower. December–March brings peak ski traffic and higher USD fares, plus increased delay risk from snow and deicing in the mountains. Summer offers stable flying but can see afternoon thunderstorms. Notable demand spikes include winter holidays and major Denver events like summer concerts at Red Rocks and sports weekends, which can tighten availability on this 125 miles (201 km) route.
Aspen-Pitkin County Airport (Sardy Field)
KASEASEKDENDEN1
Operator18
Tracked Flights181
Miles28m
Flight Duration
| Airline | ICAO | IATA |
|---|---|---|
| SkyWest |
SKW
|
OO
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 73 | 12% |
|
| Tuesday | 100 | 16% |
|
| Wednesday | 83 | 13% |
|
| Thursday | 94 | 15% |
|
| Friday | 105 | 17% |
|
| Saturday | 88 | 14% |
|
| Sunday | 82 | 13% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
SkyWest
SKW
/ OO
|
|
E75L | 17:16 5:16 PM (Representative) |
M
T
W
T
F
S
S
|
Mar 12, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 17:16 5:16 PM | SkyWest |
SKW
|
OO
|
Time Information
Times are shown in the departure airport's local timezone (KASE - America/Denver).