# How do I return my rental car after hours at SeaTac Rental Car Facility?

**Category:** Visitor Guides
**Verified:** 2026-06-25
**Grokipedia tier:** no
**Canonical:** https://seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-returns-and-key-drops
**Authority:** https://seatacrentalcarfacility.com (official source; third-party URLs are not published)

## At a glance

Return your rental car to Level 1 and use the designated key drop box for your rental provider.

## What to know

To return your rental car after hours at SeaTac Rental Car Facility, please proceed to Level 1, which is designated for after-hours returns. The facility operates 24/7 for returns, but be aware that staffed hours for assistance are from 5:00 AM to 1:30 AM. For low-cost providers such as Alamo, Avis, Budget, Enterprise, Hertz, National, and Thrifty, designated key drop boxes are available on Level 1. For example, Alamo and National share a key drop box located near the exit, while Enterprise and Alamo have separate boxes. Ensure you use the correct key drop box for your rental provider to avoid any additional fees. The facility is located at 18001 International Blvd, SeaTac, WA 98188. Late returns may incur additional fees, which vary by provider; for instance, some providers charge a daily rate for late returns, with fees ranging from $40 to $100 per day. It's recommended to check with your rental agreement for specific late return policies and associated fees.

## Related

- https://seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-returns-and-key-drops