Cheapest return flights from Belfast to Porto in September from 169€

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

Return flights

04 Sep - 07 Sep Ryanair direct
04 Sep - 11 Sep Ryanair
07 Sep - 10 Sep Ryanair
01 Sep - 05 Sep Ryanair
18 Sep - 02 Oct Ryanair direct
04 Sep - 11 Sep Ryanair direct
04 Sep - 14 Sep Ryanair direct
11 Sep - 02 Oct Ryanair direct
11 Sep - 14 Sep Ryanair direct
02 Sep - 06 Sep easyJet
07 Sep - 14 Sep Ryanair direct

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

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