Hilton Summer Sale offers 30% discount rates for hotels in Europe, Middle East and Africa on prepaid and nonrefundable rates. Book by August 23 for stays by September 27, 2015. Over 300 hotels participate in this sale.
Hilton Prague Old Town, Czech Republic
- $198 best flexible rate (cancel day before arrival with no penalty)
- $139 Hilton Summer Sale (nonrefundable rate)
There are some decent discounts if you are willing to book a nonrefundable rate with Hilton.