| - Bowerman Airport
FAA / IATA Airport Code: HQM
Hoquiam, WA
- Sanderson Field
FAA / IATA Airport Code: SHN
Shelton, WA
- Olympia Airport
FAA / IATA Airport Code: OLM
Olympia, WA
- Chehalis-Centralia Airport
FAA / IATA Airport Code: CLS
Chehalis, WA
- Port of Astoria Regional Airport
FAA / IATA Airport Code: AST
Astoria, OR
- Gray Army Air Field
FAA / IATA Airport Code: GRF
Fort Lewis (Tacoma), WA
- Bremerton, WA - Municipal
FAA / IATA Airport Code: PWT
Bremerton, WA
- Tacoma Narrows Airport
FAA / IATA Airport Code: TIW
Tacoma, WA
- McChord Air Force Base
FAA / IATA Airport Code: TCM
Tacoma, WA
- Quillayute State Airport
FAA / IATA Airport Code: UIL
Quillayute, WA
- Seattle, WA - Seattle Tacoma Intl Airport
FAA / IATA Airport Code: SEA
Seattle, WA
- Wm Fairchild Intl Airport
FAA / IATA Airport Code: CLM
Port Angeles, WA
- Boeing Field-King County International Airport
FAA / IATA Airport Code: BFI
Seattle, WA
- Seattle, WA - Lake Union Sea Plane Base
FAA / IATA Airport Code: LKE
Seattle, WA
- Kenmore Air Harbor, WA
FAA / IATA Airport Code: KEH
Kenmore Air Harbor, WA
- Snohomish County-Paine Field Airport
FAA / IATA Airport Code: PAE
Everett, WA
- Oak Harbor, WA
FAA / IATA Airport Code: ODW
Oak Harbor, WA
- Yutz
FAA / IATA Airport Code: XTH
Thionville, OR
- Portland, OR - Portland International Airport
FAA / IATA Airport Code: PDX
Portland, OR
- Friday Harbor, WA - Friday Harbor Airport
FAA / IATA Airport Code: FRD
Friday Harbor, WA
- Roche Harbor, WA - Roche Harbor
FAA / IATA Airport Code: RCE
Roche Harbor, WA
- Blakeley Island Airport
FAA / IATA Airport Code: BYW
Blakeley Island, WA
- Westsound Seaplane Base
FAA / IATA Airport Code: WSX
Westsound, WA
- Eastsound-Orcas Island Airport
FAA / IATA Airport Code: ESD
Eastsound, WA
- Bellingham International Airport
FAA / IATA Airport Code: BLI
Bellingham, WA
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