Cheapest return flights from Cardiff to Belfast in March from $133

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

Return flights

23 Mar - 26 Mar Aer Lingus direct
02 Mar - 05 Mar Aer Lingus direct
14 Mar - 19 Mar Aer Lingus direct
09 Mar - 13 Mar Aer Lingus direct
14 Mar - 20 Mar Aer Lingus direct
14 Mar - 21 Mar Aer Lingus direct
07 Mar - 12 Mar Aer Lingus direct
20 Mar - 22 Mar Aer Lingus direct
15 Mar - 19 Mar Aer Lingus direct
15 Mar - 20 Mar Aer Lingus direct
31 Mar - 03 Apr Aer Lingus direct
29 Mar - 01 Apr Aer Lingus direct
06 Mar - 14 Apr Ryanair
06 Mar - 15 Apr Ryanair
06 Mar - 16 Apr Ryanair
06 Mar - 09 Apr Ryanair
06 Mar - 05 Apr Ryanair
06 Mar - 07 Apr Ryanair
06 Mar - 08 Apr Ryanair
06 Mar - 13 Apr Ryanair

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

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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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