starts in phnom penh, end is hanoi premium 18-day vietnam & cambodia discovery with hoi an, ha long bay & angkor wat save more with code: tourasia save us$99/person with luxury escapes tours 18 days 路 12 places 路 2 countries view itinerarytravel from dec 2025 to nov 2026 glide across the emerald waters of ha long bay on a luxury overnight cruise uncover the secrets of angkor wat鈥檚 ancient temple complex unwind with five-star stays throughout, including two coveted sofitel hotels +6 more