1 Other types of headaches can also cause severe pain, and not all headaches are migraines. For example, some people describe the pain of cluster headaches as the worst pain they have experienced.  The exact cause of migraines is not known.
Eagle County Regional Airport. The nearest airport to Vail, Colorado, is Eagle County Regional Airport (EGE). Located approximately 40 minutes West by car (35 miles), EGE offers winter flights to 13 major domestic destinations.The summer flight schedule at EGE includes daily, non-stops flights to Dallas/Ft.enver International Airport. The largest airport near Vail, Colorado, is Denver International Airport (DEN). A little over two hours East by car (125 miles), DEN offers travelers heading to Vail, extensive air carrier options and provides service to 130 domestic and international destinations.
If the only way for out of towners to get to Vail/Aspen is via the Denver airport then I would think that far more out of towners would choose Vail over Aspen simply because Vail is a 2-Hr drive from the airport while Aspen is a 4-Hr drive.