SeaTac Airport (75 miles south of Mount Vernon)
Airport - https://www.portseattle.org/sea-tac
Shuttle Info - https://www.portseattle.org/page/transportation-tofrom-sea-tac-airport
Everett Airport (30 miles south of Mount Vernon)
Airport - https://www.painefield.com/
Shuttle Info – https://www.yelp.com/search?cflt=publictransport&find_loc=Paine+Field+Way%2C+Everett%2C+WA+98204
Bellingham Airport (35 miles north of Mount Vernon)
Airport - https://www.portofbellingham.com/82/Airport-Administration
Shuttle Info - https://www.portofbellingham.com/BusinessDirectoryII.aspx?lngBusinessCategoryID=121
Vancouver, BC Airport (75 miles north of Mount Vernon)
Airport - https://www.yvr.ca/en/passengers
Shuttle - https://www.yvr.ca/en/passengers/transportation