Cheapest return flights from Cardiff to Belfast in April from $137

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

Return flights

23 Apr - 30 Apr Aer Lingus direct
30 Apr - 03 May Aer Lingus direct
03 Apr - 06 Apr Aer Lingus direct
10 Apr - 13 Apr Aer Lingus direct

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

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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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