#1. Airports near Mattawa, WA Tri-Cities Airport (PSC) 50 miles Weekly Flights: 56 Domestic Routes: 8 Delayed Flights: 14% Average Delay (hr): 1½
#2. Airports near Mattawa, WA Seattle-Tacoma International Airport (SEA) 123 miles Weekly Flights: 2,692 Domestic Routes: 82 Delayed Flights: 16% Average Delay (hr): 1
#3. Airports near Mattawa, WA Spokane International Airport (GEG) 127 miles Weekly Flights: 237 Domestic Routes: 17 Delayed Flights: 13% Average Delay (hr): 1
#4. Airports near Mattawa, WA Lewiston-Nez Perce County Airport (LWS) 140 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1½
#5. Airports near Mattawa, WA Portland International Airport (PDX) 151 miles Weekly Flights: 1,213 Domestic Routes: 56 Delayed Flights: 13% Average Delay (hr): 1
#6. Airports near Mattawa, WA Roberts Field (RDM) 182 miles Weekly Flights: 73 Domestic Routes: 7 Delayed Flights: 17% Average Delay (hr): 1½
#7. Airports near Mattawa, WA Bellingham International Airport (BLI) 187 miles Weekly Flights: 43 Domestic Routes: 11 Delayed Flights: 10% Average Delay (hr): 1¼
#8. Airports near Mattawa, WA Mahlon Sweet Field (EUG) 241 miles Weekly Flights: 79 Domestic Routes: 10 Delayed Flights: 18% Average Delay (hr): 1¼
#9. Airports near Mattawa, WA Missoula International Airport (MSO) 275 miles Weekly Flights: 66 Domestic Routes: 13 Delayed Flights: 13% Average Delay (hr): 1¼
#10. Airports near Mattawa, WA Boise Air Terminal-Gowen Field (BOI) 283 miles Weekly Flights: 369 Domestic Routes: 20 Delayed Flights: 13% Average Delay (hr): 1¼
#11. Airports near Mattawa, WA Southwest Oregon Regional Airport (OTH) 312 miles Weekly Flights: 7 Domestic Routes: 2 Delayed Flights: 35% Average Delay (hr): 1½
#12. Airports near Mattawa, WA Rogue Valley International-Medford Airport (MFR) 335 miles Weekly Flights: 91 Domestic Routes: 9 Delayed Flights: 21% Average Delay (hr): 1½
#13. Airports near Mattawa, WA Friedman Memorial Airport (SUN) 353 miles Weekly Flights: 24 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#14. Airports near Mattawa, WA Bert Mooney Airport (BTM) 357 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#15. Airports near Mattawa, WA Helena Regional Airport (HLN) 376 miles Weekly Flights: 35 Domestic Routes: 3 Delayed Flights: 6% Average Delay (hr): 1½
#16. Airports near Mattawa, WA Joslin Field-Magic Valley Regional Airport (TWF) 397 miles Weekly Flights: 24 Domestic Routes: 6 Delayed Flights: 10% Average Delay (hr): 1
#17. Airports near Mattawa, WA Great Falls International Airport (GTF) 404 miles Weekly Flights: 36 Domestic Routes: 8 Delayed Flights: 10% Average Delay (hr): 1¾
#18. Airports near Mattawa, WA Bozeman Yellowstone International Airport (BZN) 423 miles Weekly Flights: 112 Domestic Routes: 16 Delayed Flights: 15% Average Delay (hr): 1½
#19. Airports near Mattawa, WA Idaho Falls Regional Airport (IDA) 442 miles Weekly Flights: 42 Domestic Routes: 7 Delayed Flights: 11% Average Delay (hr): 1½
#20. Airports near Mattawa, WA Pocatello Regional Airport (PIH) 445 miles Weekly Flights: 24 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1¼