#1. Airports near ZIP Code 59521, MT Great Falls International Airport (GTF) 88 miles Weekly Flights: 36 Domestic Routes: 8 Delayed Flights: 10% Average Delay (hr): 1¾
#2. Airports near ZIP Code 59521, MT Helena Regional Airport (HLN) 152 miles Weekly Flights: 35 Domestic Routes: 3 Delayed Flights: 6% Average Delay (hr): 1½
#3. Airports near ZIP Code 59521, MT Bozeman Yellowstone International Airport (BZN) 184 miles Weekly Flights: 112 Domestic Routes: 16 Delayed Flights: 15% Average Delay (hr): 1½
#4. Airports near ZIP Code 59521, MT Billings Logan International Airport (BIL) 184 miles Weekly Flights: 80 Domestic Routes: 11 Delayed Flights: 11% Average Delay (hr): 1½
#5. Airports near ZIP Code 59521, MT Bert Mooney Airport (BTM) 202 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#6. Airports near ZIP Code 59521, MT Missoula International Airport (MSO) 217 miles Weekly Flights: 66 Domestic Routes: 13 Delayed Flights: 13% Average Delay (hr): 1¼
#7. Airports near ZIP Code 59521, MT Yellowstone Airport (WYS) 256 miles Weekly Flights: 5 Domestic Routes: 1 Delayed Flights: 5% Average Delay (hr): 1
#8. Airports near ZIP Code 59521, MT Yellowstone Regional Airport (COD) 265 miles Weekly Flights: 16 Domestic Routes: 2 Delayed Flights: 10% Average Delay (hr): 2¼
#9. Airports near ZIP Code 59521, MT Jackson Hole Airport (JAC) 327 miles Weekly Flights: 81 Domestic Routes: 13 Delayed Flights: 18% Average Delay (hr): 1½
#10. Airports near ZIP Code 59521, MT Gillette-Campbell County Airport (GCC) 344 miles Weekly Flights: 16 Domestic Routes: 1 Delayed Flights: 10% Average Delay (hr): 1¾
#11. Airports near ZIP Code 59521, MT Idaho Falls Regional Airport (IDA) 346 miles Weekly Flights: 42 Domestic Routes: 7 Delayed Flights: 11% Average Delay (hr): 1½
#12. Airports near ZIP Code 59521, MT Spokane International Airport (GEG) 355 miles Weekly Flights: 237 Domestic Routes: 17 Delayed Flights: 13% Average Delay (hr): 1
#13. Airports near ZIP Code 59521, MT Lewiston-Nez Perce County Airport (LWS) 358 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1½
#14. Airports near ZIP Code 59521, MT Friedman Memorial Airport (SUN) 392 miles Weekly Flights: 24 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#15. Airports near ZIP Code 59521, MT Pocatello Regional Airport (PIH) 394 miles Weekly Flights: 24 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1¼
#16. Airports near ZIP Code 59521, MT Minot International Airport (MOT) 397 miles Weekly Flights: 49 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#17. Airports near ZIP Code 59521, MT Casper-Natrona County International Airport (CPR) 408 miles Weekly Flights: 19 Domestic Routes: 4 Delayed Flights: 6% Average Delay (hr): 2
#18. Airports near ZIP Code 59521, MT Rapid City Regional Airport (RAP) 440 miles Weekly Flights: 82 Domestic Routes: 11 Delayed Flights: 17% Average Delay (hr): 1½
#19. Airports near ZIP Code 59521, MT Bismarck Municipal Airport (BIS) 440 miles Weekly Flights: 71 Domestic Routes: 9 Delayed Flights: 15% Average Delay (hr): 1½
#20. Airports near ZIP Code 59521, MT Boise Air Terminal-Gowen Field (BOI) 446 miles Weekly Flights: 369 Domestic Routes: 20 Delayed Flights: 13% Average Delay (hr): 1¼