Cheapest return flights from Cardiff to Dublin in September from 86€

AirHint found the following cheapest return flights from Cardiff (CWL) to Dublin (DUB) in September 2026 (see full year).

Return flights

28 Sep - 17 Oct Ryanair direct
28 Sep - 18 Oct Ryanair direct
20 Sep - 24 Sep Ryanair direct
20 Sep - 03 Oct Ryanair direct
20 Sep - 02 Oct Ryanair direct
10 Sep - 17 Sep Ryanair direct
28 Sep - 01 Oct Ryanair direct
28 Sep - 03 Oct Ryanair direct
28 Sep - 02 Oct Ryanair direct
20 Sep - 01 Oct Ryanair direct
24 Sep - 01 Oct Ryanair direct
10 Sep - 14 Sep Ryanair direct
10 Sep - 24 Sep Ryanair direct
24 Sep - 03 Oct Ryanair direct
20 Sep - 27 Sep Ryanair direct
24 Sep - 27 Sep Ryanair direct
10 Sep - 27 Sep Ryanair direct
19 Sep - 21 Sep Ryanair direct

Also check the deals for one-way flights from Cardiff to Dublin in September.

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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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