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

Return flights

22 May - 25 May	Air Europa
29 May - 03 Jun	Ryanair	direct
22 May - 25 May	Ryanair	direct
01 May - 03 May	Ryanair
22 May - 03 Jun	Ryanair	direct
06 May - 10 May	Ryanair
29 May - 09 Jun	Ryanair	direct
14 May - 18 May	TAP
22 May - 09 Jun	Ryanair	direct
06 May - 10 May	Brussels Airlines	direct

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

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 May from 165€

Return flights