The savings comes in for the 18-22 crowd, who can fly standy on Airtran for $99 one way.
Airtran standby flight to Seattle: $200 roundtrip
Ferries to Victoria, then to Port Angeles : around $210 roundtrip
Backcountry fees: $5 entry into Olympic National Park, $5 group
backcountry permit, $2 per person per night... so $42 total for 2
or $452 for travel/permits