King County Car Rentals

Compare car suppliers to unlock big savings, and package your flight, hotel, and car to save even more.

Members save 10% more on select hotels, cars, activities and holiday rentals. Sign up.Opens in a new window

Enjoy maximum flexibility with penalty-free cancellation on most car rentals.

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Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.
Expedia.com.sg offers car hire in King County to meet every traveller's needs. Whether you are looking for cheap cars or cars fit for the stars - Expedia.com.sg has the car hire for you. So choose from car hire in King County or destinations around the world and discover how easy it is to make your car hire on Expedia.com.sg.

Frequently asked questions

What happens if I need to cancel my King County car reservation?
We know that plans change and flexibility is important. That’s why most reservations offer a complete refund if canceled a minimum of six hours ahead of collecting the car. It’s a good idea to read your cancellation policy though as there are some exclusions. If you can’t see any details there, make your way to our Customer Service Portal.
How do I find the best car rental deals in King County with Expedia?
Expedia makes it easy and fast to compare prices, offers and rental companies, and to check reviews. Bundle your King County car rental with flight or hotel bookings and you’ll save even more.
How old do you have to be to rent a car in King County?
You need to be at least 21 to grab the keys to a rental car in King County. Keep in mind that young drivers may be restricted to renting from a few car categories, such as compact and economy. Higher age limits usually apply for specialty and premium vehicles. Most companies will also charge a fee for young renters. Read the rules carefully before booking and factor any surcharge into your vacation budget.
What do you need to rent a car in King County?
While booking conditions may differ between rental car outlets, the essentials are a current driver’s license and a credit card in the same name. You don’t need to take out the company’s auto insurance. However, proof of your own coverage may be required.
Can I rent a car for a month or longer in King County?
You can rent a vehicle for a month or even longer in King County, so go on and extend your hard-earned vacation! Simply enter your trip details into our long-term car rental deals page and lock in your ideal ride.
Where can I find a King County car rental if I am younger than 25?
Some King County outlets will rent to drivers under 25 years of age, and others won’t. Policies differ between suppliers, so you’ll need to do some research. Also, find out if there are extra costs. Some businesses will have a surcharge for young customers between the ages of 21 and 24. Make sure you read through the terms and conditions to avoid any surprise fees.