| KALW | ALW | KALW, ALW | Walla Walla Regional Airport | Walla Walla | 1989 m |
| KBFI | BFI | KBFI, BFI | Boeing Field King County International Airport | Seattle | 3048 m |
| KBLI | BLI | KBLI, BLI | Bellingham International Airport | Bellingham | 2042 m |
| KCLM | CLM | KCLM, CLM | William R Fairchild International Airport | Port Angeles | 1935 m |
| KGEG | GEG | KGEG, GEG | Spokane International Airport | Spokane | 2743 m |
| KOLM | OLM | KOLM, OLM | Olympia Regional Airport | Olympia | 1267 m |
| KPAE | PAE | KPAE, PAE | Snohomish County (Paine Field) Airport | Everett | 1376 m |
| KPWT | PWT | KPWT, PWT | Bremerton National Airport | Bremerton | 1829 m |
| KSEA | SEA | KSEA, SEA | Seattle Tacoma International Airport | Seattle | 3627 m |
| KYKM | YKM | KYKM, YKM | Yakima Air Terminal McAllister Field | Yakima | 1169 m |
| KMWH | MWH | KMWH, MWH | Grant Country International Airport | Moses Lake | 4116 m |
| KPSC | PSC | KPSC, PSC | Tri Cities Airport | Pasco | 2350 m |
| KPUW | PUW | KPUW, PUW | Pullman Moscow Regional Airport | Pullman | 2051 m |
| - | LPS | LPS | Lopez Island Airport | Lopez Island | 885 m |
