#1. Airports near ZIP Code 99321, WA Tri-Cities Airport (PSC) 57 miles Weekly Flights: 56 Domestic Routes: 8 Delayed Flights: 14% Average Delay (hr): 1½
#2. Airports near ZIP Code 99321, WA Seattle-Tacoma International Airport (SEA) 120 miles Weekly Flights: 2,692 Domestic Routes: 82 Delayed Flights: 16% Average Delay (hr): 1
#3. Airports near ZIP Code 99321, WA Spokane International Airport (GEG) 123 miles Weekly Flights: 237 Domestic Routes: 17 Delayed Flights: 13% Average Delay (hr): 1
#4. Airports near ZIP Code 99321, WA Lewiston-Nez Perce County Airport (LWS) 142 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1½
#5. Airports near ZIP Code 99321, WA Portland International Airport (PDX) 156 miles Weekly Flights: 1,213 Domestic Routes: 56 Delayed Flights: 13% Average Delay (hr): 1
#6. Airports near ZIP Code 99321, WA Bellingham International Airport (BLI) 180 miles Weekly Flights: 43 Domestic Routes: 11 Delayed Flights: 10% Average Delay (hr): 1¼
#7. Airports near ZIP Code 99321, WA Roberts Field (RDM) 191 miles Weekly Flights: 73 Domestic Routes: 7 Delayed Flights: 17% Average Delay (hr): 1½
#8. Airports near ZIP Code 99321, WA Mahlon Sweet Field (EUG) 249 miles Weekly Flights: 79 Domestic Routes: 10 Delayed Flights: 18% Average Delay (hr): 1¼
#9. Airports near ZIP Code 99321, WA Missoula International Airport (MSO) 275 miles Weekly Flights: 66 Domestic Routes: 13 Delayed Flights: 13% Average Delay (hr): 1¼
#10. Airports near ZIP Code 99321, WA Boise Air Terminal-Gowen Field (BOI) 291 miles Weekly Flights: 369 Domestic Routes: 20 Delayed Flights: 13% Average Delay (hr): 1¼
#11. Airports near ZIP Code 99321, WA Southwest Oregon Regional Airport (OTH) 319 miles Weekly Flights: 7 Domestic Routes: 2 Delayed Flights: 35% Average Delay (hr): 1½
#12. Airports near ZIP Code 99321, WA Rogue Valley International-Medford Airport (MFR) 344 miles Weekly Flights: 91 Domestic Routes: 9 Delayed Flights: 21% Average Delay (hr): 1½
#13. Airports near ZIP Code 99321, WA Bert Mooney Airport (BTM) 359 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#14. Airports near ZIP Code 99321, WA Friedman Memorial Airport (SUN) 359 miles Weekly Flights: 24 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#15. Airports near ZIP Code 99321, WA Helena Regional Airport (HLN) 376 miles Weekly Flights: 35 Domestic Routes: 3 Delayed Flights: 6% Average Delay (hr): 1½
#16. Airports near ZIP Code 99321, WA Great Falls International Airport (GTF) 403 miles Weekly Flights: 36 Domestic Routes: 8 Delayed Flights: 10% Average Delay (hr): 1¾
#17. Airports near ZIP Code 99321, WA Joslin Field-Magic Valley Regional Airport (TWF) 404 miles Weekly Flights: 24 Domestic Routes: 6 Delayed Flights: 10% Average Delay (hr): 1
#18. Airports near ZIP Code 99321, WA Bozeman Yellowstone International Airport (BZN) 424 miles Weekly Flights: 112 Domestic Routes: 16 Delayed Flights: 15% Average Delay (hr): 1½
#19. Airports near ZIP Code 99321, WA Idaho Falls Regional Airport (IDA) 447 miles Weekly Flights: 42 Domestic Routes: 7 Delayed Flights: 11% Average Delay (hr): 1½
#20. Airports near ZIP Code 99321, WA Yellowstone Airport (WYS) 450 miles Weekly Flights: 5 Domestic Routes: 1 Delayed Flights: 5% Average Delay (hr): 1