AirHint found the following cheapest return flights from Belfast (BFS) to Porto (OPO) in June 2025 (see full year).

Return flights

30 Jun - 04 Jul	easyJet
30 Jun - 07 Jul	easyJet
28 Jun - 12 Jul	Ryanair	direct
28 Jun - 02 Jul	Ryanair	direct
28 Jun - 05 Jul	Ryanair	direct
28 Jun - 09 Jul	Ryanair	direct
28 Jun - 16 Jul	Ryanair	direct

Also check the deals for one-way flights from Belfast to Porto in June.

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 Belfast to Porto in June from $252

Return flights