Aspen/Pitkin County Airport (ASE):

This is the closest and most convenient airport to Aspen, as it is only three miles from the town center. You can take a free shuttle bus or a taxi to your hotel or ski resort. However, this airport is also the most expensive and has limited flight options. It may also be affected by bad weather or delays.

Eagle County Airport (EGE):

This airport is about 70 miles from Aspen, and offers more flight options than ASE. You can rent a car or take a shuttle service to Aspen, which takes about one and a half hours. The drive is scenic and easy, but you may encounter traffic or road closures during peak seasons.

Grand Junction Regional Airport (GJT):

This airport is about 130 miles from Aspen, and has fewer flight options than EGE. You can rent a car or take a shuttle service to Aspen, which takes about two and a half hours. The drive is longer and more winding, but you can enjoy the views of the Colorado River and the red rock formations.

Denver International Airport (DIA):

This airport is about 220 miles from Aspen, and has the most flight options and the lowest fares. You can rent a car or take a shuttle service to Aspen, which takes about four hours. The drive is the longest and most challenging, as you have to cross the Continental Divide and deal with traffic and weather conditions. However, you can also stop by some of the other ski resorts along the way, such as Breckenridge or Vail.