Flight
The closest airports are Santa Barbara Airport (18 minute drive to wedding), Los Angeles International Airport (~2 hour drive to wedding), San Luis Obispo Regional Airport (~2 hour drive to wedding) and Hollywood Burbank Airport (~2 hour drive to wedding). San Francisco International Airport is also an option if you're up for a beautiful road trip (~6 hour drive to wedding, depending on traffic).
Hotel
12 minute drive to wedding, steps from the beach
Hotel
10 minute drive to wedding, steps from the beach
Hotel
9 minute drive to wedding
Hotel
5 minute drive to wedding, walkable to downtown Santa Barbara
House Or Rental
There are also house rental options relatively close to the wedding and/or downtown Santa Barbara that could work great.