AirHint found the following cheapest return flights from Lisbon (LIS) to Brussels (BRU) in August 2025 (see full year).

Return flights

29 Aug - 17 Sep	Ryanair	direct
29 Aug - 18 Sep	Ryanair	direct
29 Aug - 16 Sep	Ryanair	direct
29 Aug - 10 Sep	Ryanair	direct
29 Aug - 19 Sep	Ryanair	direct
29 Aug - 11 Sep	Ryanair	direct
29 Aug - 09 Sep	Ryanair	direct
29 Aug - 13 Sep	Ryanair	direct
25 Aug - 25 Aug	Lufthansa
18 Aug - 18 Aug	Lufthansa
31 Aug - 23 Sep	Vueling Airlines
29 Aug - 02 Sep	Ryanair	direct
27 Aug - 28 Aug	TAP
29 Aug - 31 Aug	Ryanair	direct
28 Aug - 31 Aug	easyJet
26 Aug - 31 Aug	Vueling Airlines
23 Aug - 26 Aug	TAP
24 Aug - 26 Aug	Vueling Airlines
27 Aug - 28 Aug	Ryanair	direct
29 Aug - 30 Aug	Ryanair

Also check the deals for one-way flights from Lisbon to Brussels in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Brussels

Cheap car rent in Brussels

Cheapest return flights from Lisbon to Brussels in August from 183€

Return flights