# How do I return my rental car to the SeaTac Rental Car Facility via major highways?

**Category:** Visitor Guides
**Verified:** 2026-06-04
**Canonical:** https://www.seatacrentalcarfacility.com/en/knowledge/seatac-driving-directions-by-highway-route
**Authority:** https://www.seatacrentalcarfacility.com (official source; third-party URLs are not published)

## Quick answer

To return your rental car to the SeaTac Rental Car Facility, follow the specific highway directions based on your point of origin.

## Detailed answer

To return your rental car to the SeaTac Rental Car Facility, follow these detailed driving routes based on your point of origin. If you're coming from Downtown Seattle via I-5 South, take exit 154A for SR 518 West towards Sea-Tac Airport. Continue on SR 518 West for approximately 4.5 miles. Take the exit towards International Blvd/Air Cargo Rd and follow signs to the Rental Car Return. The facility is located at 18200 International Blvd, SeaTac, WA 98188. If you're coming from Tacoma or points south via I-5 North, take exit 154A for SR 518 West towards Sea-Tac Airport. Continue on SR 518 West for about 4.5 miles and exit towards International Blvd/Air Cargo Rd. Follow the signs to the Rental Car Return. The return lanes are open 24/7, and the average waiting time is less than 10 minutes. For those using SR 509 or SR 518 directly, take Air Cargo Rd to International Blvd, and follow the signs to the Rental Car Return facility. The distance from SR 509 to the facility is approximately 2 miles, and the journey typically takes around 5 minutes.

## Related

- https://www.seatacrentalcarfacility.com/en/knowledge/seatac-driving-directions-by-highway-route