Cheapest one-way flights from Cardiff to Belfast in May from $66

Best time to book flights for Cardiff (CWL) to Belfast (BHD) flights at AirHint

AirHint found the following cheapest one-way flights from Cardiff (CWL) to Belfast (BHD) in May 2025 (see full year).

One-Way flights

13 May Aer Lingus direct
20 May Aer Lingus direct
14 May Aer Lingus direct
28 May Aer Lingus direct
10 May Aer Lingus direct
29 May Aer Lingus direct
22 May Aer Lingus direct
18 May Aer Lingus direct
12 May Aer Lingus direct
16 May Aer Lingus direct

Also check the deals for return flights from Cardiff to Belfast in May.

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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