AirHint found the following cheapest return flights from Cardiff (CWL) to Belfast (BHD) in February 2026 (see full year).
Return flights
| 16 Feb - 19 Feb | Aer Lingus | direct | |
| 26 Feb - 01 Mar | Aer Lingus | direct | |
| 20 Feb - 23 Feb | Aer Lingus | direct | |
| 21 Feb - 28 Feb | Aer Lingus | direct | |
| 15 Feb - 15 Feb | Aer Lingus | ||
| 23 Feb - 25 Feb | Aer Lingus |
Also check the deals for one-way flights from Cardiff to Belfast in February.
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