#1. Airports near Boulder County, CO Denver International Airport (DEN) 42 miles Weekly Flights: 4,538 Domestic Routes: 162 Delayed Flights: 19% Average Delay (hr): 1
#2. Airports near Boulder County, CO Cheyenne Regional Airport-Jerry Olson Field (CYS) 79 miles Weekly Flights: 1 Domestic Routes: 1 Delayed Flights: 18% Average Delay (hr): 1
#3. Airports near Boulder County, CO Laramie Regional Airport (LAR) 85 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 11% Average Delay (hr): 2¼
#4. Airports near Boulder County, CO Eagle County Regional Airport (EGE) 86 miles Weekly Flights: 41 Domestic Routes: 14 Delayed Flights: 20% Average Delay (hr): 2¼
#5. Airports near Boulder County, CO City of Colorado Springs Municipal Airport (COS) 97 miles Weekly Flights: 199 Domestic Routes: 17 Delayed Flights: 18% Average Delay (hr): 1½
#6. Airports near Boulder County, CO Aspen-Pitkin County Airport-Sardy Field (ASE) 99 miles Weekly Flights: 132 Domestic Routes: 10 Delayed Flights: 21% Average Delay (hr): 1¾
#7. Airports near Boulder County, CO Yampa Valley Airport (HDN) 100 miles Weekly Flights: 18 Domestic Routes: 14 Delayed Flights: 17% Average Delay (hr): 1¾
#8. Airports near Boulder County, CO Pueblo Memorial Airport (PUB) 134 miles Weekly Flights: 17 Domestic Routes: 2 Delayed Flights: 12% Average Delay (hr): 2¼
#9. Airports near Boulder County, CO Gunnison-Crested Butte Regional Airport (GUC) 136 miles Weekly Flights: 4 Domestic Routes: 2 Delayed Flights: 16% Average Delay (hr): 1¾
#10. Airports near Boulder County, CO Western Nebraska Regional Airport-William B Heilig Field (BFF) 155 miles Weekly Flights: 11 Domestic Routes: 1 Delayed Flights: 9% Average Delay (hr): 1¾
#11. Airports near Boulder County, CO Montrose Regional Airport (MTJ) 173 miles Weekly Flights: 29 Domestic Routes: 12 Delayed Flights: 19% Average Delay (hr): 1¼
#12. Airports near Boulder County, CO Grand Junction Regional Airport (GJT) 180 miles Weekly Flights: 72 Domestic Routes: 9 Delayed Flights: 9% Average Delay (hr): 1½
#13. Airports near Boulder County, CO Casper-Natrona County International Airport (CPR) 202 miles Weekly Flights: 19 Domestic Routes: 4 Delayed Flights: 6% Average Delay (hr): 2
#14. Airports near Boulder County, CO Southwest Wyoming Regional Airport (RKS) 218 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 9% Average Delay (hr): 2¼
#15. Airports near Boulder County, CO Vernal Regional Airport (VEL) 218 miles Weekly Flights: 6 Domestic Routes: 1 Delayed Flights: 13% Average Delay (hr): 1½
#16. Airports near Boulder County, CO Durango-La Plata County Airport (DRO) 240 miles Weekly Flights: 60 Domestic Routes: 4 Delayed Flights: 17% Average Delay (hr): 1½
#17. Airports near Boulder County, CO Canyonlands Field (CNY) 250 miles Weekly Flights: 8 Domestic Routes: 1 Delayed Flights: 14% Average Delay (hr): 1¼
#18. Airports near Boulder County, CO North Platte Regional Airport-Lee Bird Field (LBF) 257 miles Weekly Flights: 11 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1½
#19. Airports near Boulder County, CO Garden City Regional Airport (GCK) 292 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 14% Average Delay (hr): 1¼
#20. Airports near Boulder County, CO Gillette-Campbell County Airport (GCC) 294 miles Weekly Flights: 16 Domestic Routes: 1 Delayed Flights: 10% Average Delay (hr): 1¾