Compare the best car rental deals in one place with Expedia. We work with providers big and small to offer you a range of vehicle classes at exciting prices. Eager to save even more cash? Bundle your Sonoma Plaza car rental, accommodations and flights into a package. Reserve your ride with Expedia and you’ll also get free cancellation — just in case. If you need to cancel, simply log in to the
Trips portal and click on “manage booking.”