We do not have enough data on this route to provide a reliable graph showing how many days before departure it is the best to book.
However, usually the closer it is to the departure, the more expensive the tickets are.
The most popular airlines on the route Burgas - Milan: S7 Airlines (S7), Bulgaria Air (FB), Smart Wings (QS).
The cheapest flights you can book on the route Burgas Intl Airport (BOJ) - Malpensa (MXP).
There is no direct flight on the route from Burgas to Milan
Il volo con scalo più breve dura 6h 30min.