Cheapest return flights from Porto to Dublin in September from 173€

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

Return flights

25 Sep - 11 Oct TAP
04 Sep - 08 Sep Iberia
15 Sep - 29 Sep Ryanair direct
15 Sep - 05 Oct Ryanair direct
04 Sep - 08 Sep Ryanair direct
27 Sep - 14 Oct Ryanair direct
27 Sep - 17 Oct Ryanair direct
27 Sep - 11 Oct Ryanair direct
25 Sep - 14 Oct Ryanair direct
25 Sep - 11 Oct Ryanair direct
27 Sep - 12 Oct Ryanair direct
25 Sep - 12 Oct Ryanair direct
15 Sep - 24 Sep Ryanair direct
15 Sep - 30 Sep Ryanair direct
27 Sep - 29 Sep Ryanair direct
04 Sep - 24 Sep Ryanair direct
25 Sep - 29 Sep Ryanair direct
27 Sep - 05 Oct Ryanair direct
04 Sep - 09 Sep Ryanair direct
04 Sep - 14 Sep 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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