Direct flights from Aspen (ASE)

From Aspen Airport (ASE), 4 airlines fly nonstop to 13 destinations, led by American Airlines, United Airlines, and 5E. It's enough volume to carry real upgrade and award inventory, though the best seats to Denver tend to go quickly. 2LNR monitors confirmed space on each Aspen route so you can act while it's still available.

Data current as of August 9, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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13
Nonstop destinations
4
Airlines serving ASE
Free
To get started

About Aspen Airport (ASE)

Aspen Airport (ASE) is the airport serving Aspen, United States. Its ICAO code is KASE. Departure and arrival times at ASE are local to the America/Denver time zone. Every one of its 13 nonstop destinations is inside United States.

Confirmed upgrade & award space on every ASE route

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across more than 25 airlines, segment by segment, date by date. Pick any Aspen destination below to open a calendar of departures with real availability, or watch a route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each ASE route, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch a Aspen route and 2LNR notifies you when space appears.

Plan on the map

Explore every ASE nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Aspen (ASE)

These are the city pairs behind flights to and from Aspen: 13 nonstop destinations with active service at Aspen Airport. Each route links to its confirmed upgrade and award availability.

Explore ASE routes on the interactive map →

Airlines that fly out of Aspen (ASE)

The carriers with nonstop service from Aspen Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map.

Alternative airports near Aspen (ASE)

Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute.

United States flights by airport

Frequently asked questions about Aspen (ASE)

How many nonstop destinations does Aspen Airport (ASE) serve?
Aspen Airport has active nonstop service to 13 destinations in 2LNR's schedule data. The busiest markets from ASE are Denver, Los Angeles, and Chicago. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly out of Aspen (ASE)?
The carriers with nonstop service from Aspen Airport are listed in full on this page, each linked to its own route map. American Airlines, United Airlines, and 5E run the most routes from Aspen, in that order. In 2LNR's schedule data that is 4 airlines in total.
How many airlines fly out of ASE?
2LNR's schedule data currently shows 4 airlines with at least one nonstop route from Aspen (ASE). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season.
How do I check upgrade or award availability from ASE?
Pick any destination on this page, such as Denver, to open a calendar of ASE departures with confirmed upgrade and award space, date by date. You can also set an alert so 2LNR notifies you when space opens on a route you care about.
Does 2LNR track flights from ASE?
Yes. Every nonstop route from Aspen Airport in 2LNR's schedule data is tracked, 13 destinations in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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