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 Edinburgh Airport - Brussels Intl Airport: Brussels Airlines (SN), British Airways (BA), KLM (KL).
Direct flights last about 1h 38min.
Direct flights available 2 days a week - Tuesday, Wednesday.
Direct flights: Brussels Airlines (SN).