Cheapest return flights from Cardiff to Belfast in May from $120

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

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

Return flights

14 May - 15 May Aer Lingus direct
04 May - 06 May Aer Lingus direct
01 May - 06 May Aer Lingus direct
08 May - 12 May Aer Lingus direct
27 May - 31 May Aer Lingus direct
21 May - 22 May Aer Lingus direct
20 May - 22 May Aer Lingus direct
17 May - 18 May Aer Lingus direct
14 May - 18 May Aer Lingus direct
22 May - 25 May Aer Lingus direct

Also check the deals for one-way flights from Cardiff to Belfast in May.

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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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