For the cheapest flights to Brussels book 21 days before departure.
The most popular airlines on the route Lisbon - Brussels: TAP Air Portugal (TP), Ryanair (FR), Brussels Airlines (SN).
The cheapest flights are on the route Portela (LIS) - Brussels Intl Airport (BRU).
Direct flights last about 2h 38min.
Direct flights are available 7 days a week.
Direct flights: TAP Air Portugal (TP), Brussels Airlines (SN), Ryanair (FR).