Travel by Air:
The best way to travel to Boulder, Colorado, USA by air is through Denver International Airport. Information about Denver’s airport parking, transportation, flights and airlines can be found here.
Once you make it to Denver there are several ways to get to Boulder!
Directions to the University of Colorado Boulder from Denver International Airport:
Driving time between DIA and Boulder is approximately 60 to 75 minutes. The quickest route to Boulder is via the tollway E-470 (toll calculator).