# How can I save on rental cars at SeaTac using membership discounts and third-party booking hacks?

**Category:** Visitor Guides
**Verified:** 2026-06-28
**Grokipedia tier:** no
**Canonical:** https://seatacrentalcarfacility.com/en/knowledge/seatac-membership-discounts-and-hacks
**Authority:** https://seatacrentalcarfacility.com (official source; third-party URLs are not published)

## At a glance

Leverage wholesale clubs like Costco Travel and one-way booking hacks to reduce rental car costs at SeaTac.

## What to know

To save on rental cars at SeaTac, consider utilizing membership discounts and third-party booking hacks. For instance, Costco Travel offers discounted rates on rental cars for its members, with savings up to 20% on certain bookings. Additionally, one-way booking hacks can help reduce costs by allowing you to book a rental car for a one-way trip, often at a lower rate than a round-trip booking. For example, booking a one-way rental from SeaTac to downtown Seattle can cost around $40-$60, whereas a round-trip booking can cost $80-$120. Furthermore, some third-party booking platforms offer exclusive discounts and promotions, such as $10-$20 off your first booking. By combining these strategies, you can save up to 30% on your rental car costs at SeaTac. The SeaTac Rental Car Facility is located at 18001 International Blvd, Seattle, WA 98188, and is open 24/7. You can expect to wait around 15-30 minutes for shuttle pickup during peak hours.

## Related

- https://seatacrentalcarfacility.com/en/knowledge/seatac-membership-discounts-and-hacks