Flight
These airports will likely provide the most options. Both are about a 2 hour drive to Santa Ynez.
Flight
Santa Barbara and San Luis Obispo are closer options, with SBA being 30 minutes away, and SBP being about an hour.
Rental Car
Keep in mind the availability of a rental car when selecting an airport, and any mileage restrictions.
House Or Rental
When searching for hotels, feel free to broaden your search beyond Santa Ynez, to include Solvang, Los Olivos, and Buellton (all about 10 minutes away). We understand options may be limited, so it might be worth considering Santa Barbara, Lompoc, and Santa Maria (all about 30 minutes away). Sites like Airbnb & VRBO might be useful to find accommodations for multiple people to stay in one place.