AirHint found the following cheapest return flights from Brussels (BRU) to Porto (OPO) in April 2026 (see full year).

Return flights

29 Apr - 06 May	Air Europa
08 Apr - 15 Apr	Ryanair
18 Apr - 21 Apr	TAP
08 Apr - 15 Apr	Ryanair	direct
20 Apr - 29 Apr	Ryanair	direct
17 Apr - 21 Apr	TAP
22 Apr - 29 Apr	Ryanair	direct
18 Apr - 29 Apr	Ryanair	direct
17 Apr - 29 Apr	Ryanair	direct
22 Apr - 25 Apr	Brussels Airlines
17 Apr - 25 Apr	Ryanair
20 Apr - 02 May	Ryanair	direct
29 Apr - 06 May	Ryanair	direct
22 Apr - 02 May	Ryanair
29 Apr - 02 May	Ryanair	direct
22 Apr - 02 May	Ryanair	direct
18 Apr - 02 May	Ryanair	direct
17 Apr - 02 May	Ryanair	direct
27 Apr - 08 May	SWISS
20 Apr - 01 May	Ryanair	direct

Also check the deals for one-way flights from Brussels to Porto in April.

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.

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Cheapest return flights from Brussels to Porto in April from 138€

Return flights