Plan Your Trip Suggested Itineraries 4 Days Hanoi - Halong Bay - Ninh Binh Itinerary 5 Days Itinerary: Hanoi - Halong Bay - Sapa (for the first timers) Halong Bay 3 Day Itinerary How Many Days Should You Spend in Hanoi and Halong Bay? The best of Halong in 2 days