333 O'Farrell StSan Francisco, CA 94102 Phone: +1 415-771-1400Fax: +1 415-202-7798Toll Free: +800-325-6864 Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 1,921 $355-$781 (USD) Hoteliers! Is your information accurate? Update Here Hilton San Francisco Union Square Location & Neighborhood Downtown/City Center - 17 MI, 20 min from San Francisco Intl airport.Nearest Cross Street: Mason/Ellis/Taylor