{"version":"2.5","id":"additional-driver-seatac-cost","question":"Additional driver fees at SeaTac rentals","answer":"Spouse/partner often free on loyalty","answer_detail":"Add driver at counter or app. International license rules apply.","related_ids":["additional-driver-seatac-cost"],"last_verified":"2026-05-30","authority":"https://www.seatacrentalcarfacility.com","url":"https://www.seatacrentalcarfacility.com/en/knowledge/additional-driver-seatac-cost","markdown_url":"https://www.seatacrentalcarfacility.com/api/knowledge/additional-driver-seatac-cost?format=md&lang=en"}