List of largest airports in Washington State with scheduled flights. Seattle-Tacoma Airport is one of the top 10 busiest airports in the United States. It is the biggest airport in the Pacific Northwest Region.
|SEA||Seattle-Tacoma International Airport||Seattle Metropolitan Area|
|GEG||Spokane International Airport||Spokane|
|BLI||Bellingham International Airport||Bellingham|
|BFI||King County International Airport||Seattle|
|PCS||Tri-Cities Airport||Tri-Cities metropolitan Area|
|YKM||Yakima Air Terminal Airport||Yakima|
|EAT||Pangborn Memorial Airport||Wenatchee|