Cheapest return flights from Belfast to Porto in September from $222

Best time to book flights for Belfast (BHD) to Porto (OPO) flights at AirHint

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

Return flights

28 Sep - 01 Oct easyJet
29 Sep - 01 Oct easyJet
10 Sep - 13 Sep easyJet
02 Sep - 07 Sep easyJet
09 Sep - 12 Sep easyJet
25 Sep - 28 Sep easyJet
19 Sep - 23 Sep Aer Lingus
19 Sep - 21 Sep Aer Lingus
06 Sep - 09 Sep easyJet
26 Sep - 29 Sep Aer Lingus
19 Sep - 22 Sep Aer Lingus

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