AirHint found the following cheapest return flights from Belfast (BHD) to Porto (OPO) in August 2026 (see full year).
Return flights
| 03 Aug - 10 Aug | easyJet | ||
| 28 Aug - 31 Aug | Aer Lingus | ||
| 21 Aug - 24 Aug | easyJet | ||
| 28 Aug - 02 Sep | Aer Lingus | ||
| 28 Aug - 01 Sep | KLM | ||
| 14 Aug - 21 Aug | easyJet | ||
| 14 Aug - 16 Aug | easyJet |
Also check the deals for one-way flights from Belfast to Porto in August.
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