{"version":"2.5","id":"cheapest-rental-car-seatac-month-by-month","question":"Cheapest months to rent at SeaTac airport","answer":"January shoulder lowest; July peak highest (market avg)","answer_detail":"Aggregators show Jan ~$33–40/day band vs Jul ~$68–81 at SEA — your quote varies by class, loyalty, and lead time. Book 1–4 weeks out; avoid 6+ month early locks.","related_ids":["cheapest-rental-car-seatac-month-by-month"],"last_verified":"2026-05-30","authority":"https://www.seatacrentalcarfacility.com","url":"https://www.seatacrentalcarfacility.com/en/knowledge/cheapest-rental-car-seatac-month-by-month","markdown_url":"https://www.seatacrentalcarfacility.com/api/knowledge/cheapest-rental-car-seatac-month-by-month?format=md&lang=en"}