AirHint found the following cheapest return flights from Belfast (BHD) to Perth (PER) in December 2025 (see full year).
Return flights
| 05 Dec - 07 Dec | easyJet | ||
| 31 Dec - 31 Jan | Aer Lingus | ||
| 21 Dec - 11 Jan | easyJet | ||
| 20 Dec - 22 Dec | Aer Lingus | ||
| 12 Dec - 31 Dec | KLM | ||
| 20 Dec - 02 Jan | Aer Lingus | ||
| 30 Dec - 31 Jan | British Airways |
Also check the deals for one-way flights from Belfast to Perth in December.
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