AirHint found the following cheapest return flights from Porto (OPO) to Dublin (DUB) in July 2026 (see full year).

Return flights

28 Jul - 18 Aug	Ryanair
16 Jul - 19 Jul	TAP
23 Jul - 26 Jul	Ryanair
02 Jul - 22 Jul	Ryanair
22 Jul - 04 Aug	Vueling Airlines
28 Jul - 18 Aug	Ryanair	direct
15 Jul - 04 Aug	Ryanair	direct
22 Jul - 04 Aug	Ryanair	direct
08 Jul - 22 Jul	Ryanair
25 Jul - 28 Jul	Ryanair
28 Jul - 13 Aug	Ryanair	direct
16 Jul - 04 Aug	Ryanair	direct
28 Jul - 15 Aug	Ryanair	direct
28 Jul - 04 Aug	Ryanair	direct
24 Jul - 13 Aug	Ryanair	direct
09 Jul - 22 Jul	Ryanair
04 Jul - 22 Jul	Ryanair
15 Jul - 22 Jul	Ryanair
01 Jul - 22 Jul	Vueling Airlines
16 Jul - 22 Jul	Ryanair

Also check the deals for one-way flights from Porto to Dublin 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 Dublin in July from 169€

Return flights