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

Return flights

26 Jul - 13 Aug	Ryanair	direct
26 Jul - 16 Aug	Ryanair	direct
31 Jul - 06 Aug	Ryanair
23 Jul - 30 Jul	Ryanair
23 Jul - 13 Aug	Ryanair	direct
30 Jul - 20 Aug	Ryanair	direct
26 Jul - 02 Aug	Ryanair	direct
26 Jul - 06 Aug	Ryanair	direct
21 Jul - 28 Jul	Ryanair
16 Jul - 02 Aug	Ryanair	direct
12 Jul - 02 Aug	Ryanair	direct
16 Jul - 06 Aug	Ryanair	direct
26 Jul - 30 Jul	Ryanair
09 Jul - 15 Jul	Ryanair
09 Jul - 14 Jul	Ryanair
09 Jul - 13 Jul	Ryanair
12 Jul - 16 Jul	Ryanair
09 Jul - 23 Jul	Ryanair	direct
16 Jul - 23 Jul	Ryanair	direct
12 Jul - 23 Jul	Ryanair	direct

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

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 Porto to Belfast in July from 149€

Return flights