Cheapest return flights from Cardiff to Belfast in May from 129€

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

03 May - 10 May Aer Lingus direct
17 May - 19 May Aer Lingus direct
10 May - 13 May Aer Lingus direct
21 May - 31 May Aer Lingus direct
17 May - 20 May Aer Lingus direct
24 May - 27 May Aer Lingus direct
30 May - 07 Jun Aer Lingus direct
09 May - 12 May Aer Lingus direct
30 May - 02 Jun Aer Lingus direct
30 May - 03 Jun Aer Lingus direct
30 May - 04 Jun Aer Lingus direct
30 May - 05 Jun Aer Lingus direct
06 May - 10 May Aer Lingus direct
24 May - 26 May Aer Lingus direct
30 May - 08 Jun Aer Lingus direct
30 May - 06 Jun Aer Lingus direct
16 May - 18 May Aer Lingus direct
29 May - 02 Jun Aer Lingus direct
26 May - 02 Jun Aer Lingus direct
31 May - 09 Jun 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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