Cheapest return flights from Cardiff to Belfast in August from $146

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 August 2025 (see full year).

Return flights

27 Aug - 29 Aug Aer Lingus direct
25 Aug - 28 Aug Aer Lingus direct
29 Aug - 30 Aug Aer Lingus direct
22 Aug - 24 Aug Aer Lingus direct
25 Aug - 29 Aug Aer Lingus direct
29 Aug - 31 Aug Aer Lingus direct
22 Aug - 25 Aug Aer Lingus direct
23 Aug - 25 Aug Aer Lingus direct
30 Aug - 06 Sep Aer Lingus direct
29 Aug - 01 Sep Aer Lingus direct
01 Aug - 04 Aug Aer Lingus direct
15 Aug - 18 Aug Aer Lingus direct

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

Skyscanner

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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