Transportation information for Mount St. Helens is provided below. Travel information includes driving directions, maps, airport information and more.
Olympia Municipal Airport is located four miles south of Olympia and is the closes airport to Mount St. Helens. Olympia Municipal Airport has approximately 150 flights departing and arriving daily. If this isn't enough for you, The sprawling SeaTac (Seattle-Tacoma) Airport served approximately 30 million passengers in 2004, ensuring you'll be able to get there from just about anywhere.
To get to Mount St. Helens National Volcanic Monument, take I-5 to State Highway 504. Or take U.S. Highway 12 from I-5.