Cheapest return flights from Cardiff (CWL) to Belfast (BHD), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 Sep 26 Sep Aer Lingus
Direct Flight
17 Sep 21 Sep Aer Lingus
Direct Flight
19 Sep 21 Sep Aer Lingus
Direct Flight
07 Sep 10 Sep Aer Lingus
Direct Flight
07 Sep 09 Sep Aer Lingus
Direct Flight
07 Sep 15 Sep Aer Lingus
Direct Flight
19 Sep 20 Sep Aer Lingus
Direct Flight
16 Sep 20 Sep Aer Lingus
Direct Flight
17 Sep 20 Sep Aer Lingus
Direct Flight
19 Sep 26 Sep Aer Lingus
Direct Flight
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deals for one-way flights from Cardiff to Belfast in September.

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Updated May 27, 2026.

About these fares

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