Cheapest one-way flights from Cardiff to Belfast in May from $59

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

30 May Aer Lingus direct
04 May Aer Lingus direct
12 May Aer Lingus direct
22 May Aer Lingus direct
08 May Aer Lingus direct
11 May Aer Lingus direct
20 May Aer Lingus direct
13 May Aer Lingus direct
14 May Aer Lingus direct
17 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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