Park Before You Fly packages — hourly shuttle (4 AM - 11:30 PM)
Days Inn SFO offers "Park Before You Fly" packages year-round, with parking-only lots available through ParkSleepFly and AirportParkingReservations.
Free dedicated shuttle runs hourly (4 AM - 11:30 PM). Located on Airport Blvd in South San Francisco.

$9-10/day, shared shuttle every 45 min — no midday service 11:45am-5pm
IHG hotel parking from $22/day — free shuttle to SFO & BART
From $13/day via aggregators — free shuttle every 30-45 min
Built 2019, from $14/day — free shuttle every ~38 min