Cheapest return flights from Cardiff to Belfast in May from $144

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

13 May - 20 May Aer Lingus direct
28 May - 03 Jun Aer Lingus direct
28 May - 19 Jun Aer Lingus direct
27 May - 28 May Aer Lingus direct
14 May - 15 May Aer Lingus direct
18 May - 20 May Aer Lingus direct
14 May - 16 May Aer Lingus direct
17 May - 19 May Aer Lingus direct
22 May - 27 May Aer Lingus direct
24 May - 04 Jun Ryanair
17 May - 18 May Aer Lingus direct
25 May - 27 May Aer Lingus direct
29 May - 02 Jun Aer Lingus direct
24 May - 03 Jun Ryanair
30 May - 02 Jun Aer Lingus direct
13 May - 13 May Aer Lingus
23 May - 03 Jun Aer Lingus direct
24 May - 08 Jun Ryanair
24 May - 04 Jun Aer Lingus direct
30 May - 01 Jun 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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