parc 55 san francisco - a hilton hotel4 out of 5 union square price was $1,198, price is now $960 per person $960 per person may 18 - may 22 found 1 day ago roundtrip non-stop flight included raleigh (rdu) to san francisco (sfo) book a stay at this business-friendly hotel in san francisco. enjoy 2 restaurants, breakfast (surcharge), and a 24-hour fitness center. our guests praise the helpful staff and the clean rooms in our reviews. popular attractions oracle park and lombard street are located nearby. lovely staff and convenient location. reviewed on nov 27, 2025