Cheapest return flights from Porto to Dublin in September from 174€

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

Return flights

16 Sep - 23 Sep SWISS
25 Sep - 26 Sep TAP
16 Sep - 04 Oct Ryanair direct
18 Sep - 04 Oct Ryanair direct
19 Sep - 04 Oct Ryanair direct
12 Sep - 28 Sep Ryanair direct
01 Sep - 17 Sep Ryanair direct
25 Sep - 04 Oct Ryanair direct
30 Sep - 04 Oct Ryanair direct
12 Sep - 17 Sep Ryanair direct
01 Sep - 20 Sep Ryanair direct
01 Sep - 10 Sep Ryanair direct
16 Sep - 28 Sep Ryanair direct
18 Sep - 28 Sep Ryanair direct
16 Sep - 05 Oct Ryanair direct
18 Sep - 05 Oct Ryanair direct
19 Sep - 10 Oct Ryanair direct
12 Sep - 23 Sep Ryanair direct
19 Sep - 05 Oct Ryanair direct
25 Sep - 10 Oct Ryanair direct

Also check the deals for one-way flights from Porto to Dublin in September.

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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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