Cheapest return flights from Porto to Dublin in September from $159

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

Return flights

14 Sep - 02 Oct Vueling Airlines
14 Sep - 04 Oct Vueling Airlines
14 Sep - 19 Sep Vueling Airlines
25 Sep - 02 Oct Vueling Airlines
25 Sep - 04 Oct Vueling Airlines
25 Sep - 14 Oct Vueling Airlines
25 Sep - 11 Oct TAP
14 Sep - 03 Oct Vueling Airlines
14 Sep - 25 Sep Vueling Airlines
14 Sep - 17 Sep Vueling Airlines
01 Sep - 19 Sep Ryanair direct
03 Sep - 19 Sep Ryanair direct
04 Sep - 08 Sep SWISS
25 Sep - 03 Oct Vueling Airlines
25 Sep - 10 Oct Vueling Airlines
05 Sep - 19 Sep Ryanair direct
04 Sep - 19 Sep Ryanair direct
25 Sep - 04 Oct Ryanair direct
01 Sep - 08 Sep Ryanair
03 Sep - 08 Sep Ryanair

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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