#1. Airports near Lake Cassidy, WA Seattle-Tacoma International Airport (SEA) 44 miles Weekly Flights: 2,692 Domestic Routes: 82 Delayed Flights: 16% Average Delay (hr): 1
#2. Airports near Lake Cassidy, WA Bellingham International Airport (BLI) 54 miles Weekly Flights: 43 Domestic Routes: 11 Delayed Flights: 10% Average Delay (hr): 1¼
#3. Airports near Lake Cassidy, WA Portland International Airport (PDX) 173 miles Weekly Flights: 1,213 Domestic Routes: 56 Delayed Flights: 13% Average Delay (hr): 1
#4. Airports near Lake Cassidy, WA Tri-Cities Airport (PSC) 187 miles Weekly Flights: 56 Domestic Routes: 8 Delayed Flights: 14% Average Delay (hr): 1½
#5. Airports near Lake Cassidy, WA Spokane International Airport (GEG) 213 miles Weekly Flights: 237 Domestic Routes: 17 Delayed Flights: 13% Average Delay (hr): 1
#6. Airports near Lake Cassidy, WA Lewiston-Nez Perce County Airport (LWS) 265 miles Weekly Flights: 14 Domestic Routes: 1 Delayed Flights: 6% Average Delay (hr): 1½
#7. Airports near Lake Cassidy, WA Roberts Field (RDM) 267 miles Weekly Flights: 73 Domestic Routes: 7 Delayed Flights: 17% Average Delay (hr): 1½
#8. Airports near Lake Cassidy, WA Mahlon Sweet Field (EUG) 278 miles Weekly Flights: 79 Domestic Routes: 10 Delayed Flights: 18% Average Delay (hr): 1¼
#9. Airports near Lake Cassidy, WA Southwest Oregon Regional Airport (OTH) 338 miles Weekly Flights: 7 Domestic Routes: 2 Delayed Flights: 35% Average Delay (hr): 1½
#10. Airports near Lake Cassidy, WA Missoula International Airport (MSO) 381 miles Weekly Flights: 66 Domestic Routes: 13 Delayed Flights: 13% Average Delay (hr): 1¼
#11. Airports near Lake Cassidy, WA Rogue Valley International-Medford Airport (MFR) 395 miles Weekly Flights: 91 Domestic Routes: 9 Delayed Flights: 21% Average Delay (hr): 1½
#12. Airports near Lake Cassidy, WA Boise Air Terminal-Gowen Field (BOI) 420 miles Weekly Flights: 369 Domestic Routes: 20 Delayed Flights: 13% Average Delay (hr): 1¼
#13. Airports near Lake Cassidy, WA Bert Mooney Airport (BTM) 474 miles Weekly Flights: 13 Domestic Routes: 1 Delayed Flights: 7% Average Delay (hr): 2
#14. Airports near Lake Cassidy, WA Helena Regional Airport (HLN) 483 miles Weekly Flights: 35 Domestic Routes: 3 Delayed Flights: 6% Average Delay (hr): 1½
#15. Airports near Lake Cassidy, WA Friedman Memorial Airport (SUN) 490 miles Weekly Flights: 24 Domestic Routes: 5 Delayed Flights: 13% Average Delay (hr): 1¾
#16. Airports near Lake Cassidy, WA Great Falls International Airport (GTF) 499 miles Weekly Flights: 36 Domestic Routes: 8 Delayed Flights: 10% Average Delay (hr): 1¾
#17. Airports near Lake Cassidy, WA California Redwood Coast-Humboldt County Airport (ACV) 500 miles Weekly Flights: 28 Domestic Routes: 2 Delayed Flights: 21% Average Delay (hr): 1½
#18. Airports near Lake Cassidy, WA Redding Municipal Airport (RDD) 522 miles Weekly Flights: 22 Domestic Routes: 1 Delayed Flights: 22% Average Delay (hr): 1½
#19. Airports near Lake Cassidy, WA Joslin Field-Magic Valley Regional Airport (TWF) 534 miles Weekly Flights: 24 Domestic Routes: 6 Delayed Flights: 10% Average Delay (hr): 1
#20. Airports near Lake Cassidy, WA Bozeman Yellowstone International Airport (BZN) 539 miles Weekly Flights: 112 Domestic Routes: 16 Delayed Flights: 15% Average Delay (hr): 1½