#1. Airports near ZIP Code 82421, WY Yellowstone Regional Airport (COD) 34 miles Weekly Flights: 16 Domestic Routes: 2 Delayed Flights: 10% Average Delay (hr): 2¼
#2. Airports near ZIP Code 82421, WY Billings Logan International Airport (BIL) 62 miles Weekly Flights: 80 Domestic Routes: 11 Delayed Flights: 11% Average Delay (hr): 1½
#3. Airports near ZIP Code 82421, WY Yellowstone Airport (WYS) 124 miles Weekly Flights: 5 Domestic Routes: 1 Delayed Flights: 5% Average Delay (hr): 1
#4. Airports near ZIP Code 82421, WY Bozeman Yellowstone International Airport (BZN) 138 miles Weekly Flights: 112 Domestic Routes: 16 Delayed Flights: 15% Average Delay (hr): 1½
#5. Airports near ZIP Code 82421, WY Jackson Hole Airport (JAC) 139 miles Weekly Flights: 81 Domestic Routes: 13 Delayed Flights: 18% Average Delay (hr): 1½
#6. Airports near ZIP Code 82421, WY Gillette-Campbell County Airport (GCC) 155 miles Weekly Flights: 16 Domestic Routes: 1 Delayed Flights: 10% Average Delay (hr): 1¾
#7. Airports near ZIP Code 82421, WY Casper-Natrona County International Airport (CPR) 175 miles Weekly Flights: 19 Domestic Routes: 4 Delayed Flights: 6% Average Delay (hr): 2
#8. Airports near ZIP Code 82421, WY Idaho Falls Regional Airport (IDA) 197 miles Weekly Flights: 42 Domestic Routes: 7 Delayed Flights: 11% Average Delay (hr): 1½
#9. Airports near ZIP Code 82421, WY Helena Regional Airport (HLN) 201 miles Weekly Flights: 35 Domestic Routes: 3 Delayed Flights: 6% Average Delay (hr): 1½
#10. Airports near ZIP Code 82421, WY Bert Mooney Airport (BTM) 202 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#11. Airports near ZIP Code 82421, WY Great Falls International Airport (GTF) 222 miles Weekly Flights: 36 Domestic Routes: 8 Delayed Flights: 10% Average Delay (hr): 1¾
#12. Airports near ZIP Code 82421, WY Southwest Wyoming Regional Airport (RKS) 230 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 9% Average Delay (hr): 2¼
#13. Airports near ZIP Code 82421, WY Pocatello Regional Airport (PIH) 242 miles Weekly Flights: 24 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1¼
#14. Airports near ZIP Code 82421, WY Rapid City Regional Airport (RAP) 280 miles Weekly Flights: 82 Domestic Routes: 11 Delayed Flights: 17% Average Delay (hr): 1½
#15. Airports near ZIP Code 82421, WY Laramie Regional Airport (LAR) 289 miles Weekly Flights: 12 Domestic Routes: 1 Delayed Flights: 11% Average Delay (hr): 2¼
#16. Airports near ZIP Code 82421, WY Missoula International Airport (MSO) 298 miles Weekly Flights: 66 Domestic Routes: 13 Delayed Flights: 13% Average Delay (hr): 1¼
#17. Airports near ZIP Code 82421, WY Friedman Memorial Airport (SUN) 298 miles Weekly Flights: 24 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#18. Airports near ZIP Code 82421, WY Ogden-Hinckley Airport (OGD) 309 miles Weekly Flights: 2 Domestic Routes: 3 Delayed Flights: 33% Average Delay (hr): 1
#19. Airports near ZIP Code 82421, WY Vernal Regional Airport (VEL) 312 miles Weekly Flights: 6 Domestic Routes: 1 Delayed Flights: 13% Average Delay (hr): 1½
#20. Airports near ZIP Code 82421, WY Yampa Valley Airport (HDN) 314 miles Weekly Flights: 18 Domestic Routes: 14 Delayed Flights: 17% Average Delay (hr): 1¾