When it comes to flight booking, one of the most popular suggestions given by people is to book in advance. It has some very strong logic behind it. As the days near, the demand for the said destination for specific dates increase. It is highly recommended that you make your flight bookings at least 6-8 weeks in advance. In case you are planning for an international trip, it is very necessary that you make prior flight bookings. When it comes to international trips, you also need to sort out your visa, travel insurance and other important travel documents. For the same, it is necessary that you have enough time in hand. Hence, you need to make prior flight bookings. Once you have the flight ticket sorted, you can move on to get hold of the other travel documents that would help you speed up the process.