Cheapest return flights from Porto to Dublin in September from $191

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

Return flights

09 Sep - 27 Sep Ryanair direct
12 Sep - 27 Sep Ryanair direct
24 Sep - 27 Sep TAP
09 Sep - 28 Sep Ryanair direct
24 Sep - 27 Sep Ryanair direct
24 Sep - 15 Oct Ryanair direct
12 Sep - 28 Sep Ryanair direct
27 Sep - 15 Oct Ryanair direct
09 Sep - 24 Sep Ryanair direct
24 Sep - 28 Sep Ryanair direct
03 Sep - 05 Sep Ryanair direct
03 Sep - 07 Sep Ryanair direct
27 Sep - 16 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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