Cheapest return flights from Cardiff to Belfast in May from 136€

AirHint found the following cheapest return flights from Cardiff (CWL) to Belfast (BHD) in May 2026 (see full year).

Return flights

19 May - 26 May Aer Lingus direct
01 May - 05 May Aer Lingus direct
19 May - 21 May Aer Lingus direct
26 May - 28 May Aer Lingus direct
14 May - 21 May Aer Lingus direct
13 May - 16 May Aer Lingus direct
26 May - 29 May Aer Lingus direct
26 May - 01 Jun Aer Lingus direct
20 May - 27 May Aer Lingus
20 May - 27 May Aer Lingus direct
09 May - 10 May Aer Lingus

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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