1. Identify information needed
To determine destination, date of arrival, length of stay, hotel name (if any), etc.  

2. Choose a reputable website to book
Nowadays, in Vietnam, there are many online booking sites; each site has different policy on pricing. To ensure that not to encounter risks as unclear price, bad hotel quality, unofficial websites... you should choose a reputable website managed by a reputable brand in Vietnam as bookhotel.vn to book, which is managed by Asianwaytravel, a professional inbound tourism brand certified as a Vietnamese prestige brand in 2011  

3 Compare prices
Each online booking page has its own policy on pricing. To make sure to find a room with the best price, you should check out and compare prices between websites. You could also use intermediate sites like tripadvisor.com or Kayak.com. More carefully, you can check the prices by directly calling the hotel or comparing prices of the travel agents. 

                         

Checking directly with the hotel will help you to get a better price if the hotel is running promotion program, which only applies to customers booking directly.

4 Refer to information from several sources 
In addition, you should refer to the reviews of your desired hotel on the booking websites or through travel forum posts to be able to choose the hotel that satisfies yourself.  

5. Check carefully methods of payment and security policies
Another important thing is to check the methods of payment and security policies of the online booking websites.

In addition, high-security payment website, enabling users to rest assured in the implementation of their transactions.  

6. Finally, remember to reconfirm your booking by contacting the hotel directly via phone or email to ensure there are no errors for your trip.

Some reputable website to book: hostelworld.com, bookhotel.vn...