Best places to stay in Siem Reap. Siem Reap has the best range of accommodation in Cambodia. A vast number of family-run guesthouses charging US$3 to US$20 a room cater for budget travellers, while those looking for midrange accommodation can choose upmarket guesthouses or small hotels from US$20 per room.Check in date.abel Siem Reap Guesthouse. Located in the popular Wat Bo area this European managed Hotel/Guesthouse offers attractive rooms with ensuite bathrooms, hot water, A/C or fan and cable TV...