Alamosa San Luis Valley Regional Airport (ALS) Alamosa San Luis Valley Regional Airport (ALS), 2500 State Ave., Alamosa, CO 81101 Local: (719) 589-4848 Visit Website Overview Regional Colorado airport. Related Articles 5 Lesser-Known Colorado Springs Mountains to Summit Where Can Colorado Visitors Consume Marijuana? 8 Tips for Safer Cannabis Consumption Staying on the Right Side of Marijuana Laws How to Dispose of Cannabis on Your Way Out of Colorado Hit Colorado's Trails Like a Pro With These Tips