MWH car rental
Grant County International Airport. 1 on-airport branch. Off-airport lots are often cheaper; the search shows the full total for each.
Companies and age rules
At age 21
Hertz
Minimum age 20 · 1 branch in Washington
Rents at 21· unverifiedYoung-driver fee: $19/day
Estimate — from Hertz policy page, verify at booking · hertz.com · checked 2026-10-19 · all Hertz rules
At the airport
1