{"version":"2.6","id":"seatac-detailed-highway-driving-directions","question":"How do I return my rental car to the SeaTac Rental Car Facility via highway?","answer":"To return your rental car, take Highway 99 South and follow specific lane directions based on your approach via I-5, I-405, SR 518, or SR 509.","answer_detail":"To return your rental car to the SeaTac Rental Car Facility, follow these directions based on your approach: From I-5 North, take exit 154B for SR 518 East towards Bellevue/Redmond. Merge onto SR 518 East and continue for 2.5 miles. Take exit 5 for International Blvd/Des Moines Memorial Dr. Turn left onto International Blvd and proceed 0.8 miles. Turn right onto Air Cargo Rd and the facility will be on your left. From I-405 South, take exit 1B for SR 518 West towards Seattle. Continue on SR 518 West for 4.2 miles. Take exit 4 for Highway 99 South/Des Moines Memorial Dr. Merge onto Highway 99 South and use the far right lane. Continue for 1.5 miles and the facility will be on your right. From SR 509 South, take exit for Highway 99 South/International Blvd. Merge onto Highway 99 South and use the far right lane. Continue for 1.2 miles. The rental return is on your right, located at 18200 International Blvd, SeaTac, WA 98188. The facility is open 24/7, and the return process typically takes less than 10 minutes.","grokpedia_tier":false,"related_ids":["seatac-detailed-highway-driving-directions"],"last_verified":"2026-06-21","authority":"https://seatacrentalcarfacility.com","url":"https://seatacrentalcarfacility.com/en/knowledge/seatac-detailed-highway-driving-directions","markdown_url":"https://seatacrentalcarfacility.com/api/knowledge/seatac-detailed-highway-driving-directions?format=md&lang=en"}