Find all the best car rental deals in one place on Expedia. We partner with companies big and small to offer you a variety of vehicle types at amazing prices. Eager to save even more cash? Combine your Maryland Zoo car rental, hotel and airfares into a package. Book your ride with Expedia and you’ll also enjoy the peace of mind that comes with free cancellation. If you need to cancel, just log in to our
Trips portal and hit “manage booking.”