Explore popular vacation packages for Tp. Hạ Long, Vietnam and kick-start your vacation planning for free. When planning a trip to Tp. Hạ Long, make sure you visit its near-by prime city of Hanoi. Add Hanoi to your vacation plan, it has an interesting bunch of activities to do on your visit like Baitu Long Bay, Sung Sot Cave, Dau Go Cave. If you want to fly to the destination, you can choose the nearest major airport to take a flight. The nearest major airport is Noi Bai International Airport. 1-2 days is an ideal duration of visit to Tp. Hạ Long.