Cheapest return flights from Porto to Dublin in September from $97

Best time to book flights for Porto (OPO) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Dublin (DUB) in September 2025 (see full year).

Return flights

23 Sep - 11 Oct Ryanair direct
23 Sep - 04 Oct Ryanair direct
23 Sep - 12 Oct Ryanair direct
23 Sep - 30 Sep Ryanair direct
23 Sep - 07 Oct Ryanair direct
23 Sep - 28 Sep Ryanair direct
23 Sep - 14 Oct Ryanair direct
23 Sep - 05 Oct Ryanair direct
23 Sep - 29 Sep Ryanair
17 Sep - 04 Oct Ryanair direct
17 Sep - 30 Sep Ryanair direct
17 Sep - 07 Oct Ryanair direct
23 Sep - 13 Oct Ryanair direct
16 Sep - 04 Oct Ryanair direct
23 Sep - 29 Sep Ryanair direct
16 Sep - 30 Sep Ryanair direct
11 Sep - 30 Sep Ryanair direct
18 Sep - 30 Sep Ryanair direct
12 Sep - 30 Sep Ryanair direct
17 Sep - 29 Sep Ryanair

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

Skyscanner

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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