Cheapest return flights from Southampton to Dublin in September from $94

AirHint found the following cheapest return flights from Southampton (SOU) to Dublin (DUB) in September 2025 (see full year).

Return flights

30 Sep - 01 Oct Aer Lingus direct
30 Sep - 02 Oct Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
27 Sep - 30 Sep Aer Lingus direct
18 Sep - 23 Sep Aer Lingus direct
27 Sep - 07 Oct Aer Lingus direct
25 Sep - 02 Oct Aer Lingus direct
23 Sep - 24 Sep Aer Lingus direct
23 Sep - 30 Sep Aer Lingus direct
17 Sep - 24 Sep Aer Lingus direct
26 Sep - 07 Oct Aer Lingus direct
19 Sep - 24 Sep Aer Lingus direct
19 Sep - 23 Sep Aer Lingus direct
27 Sep - 28 Sep Aer Lingus direct
25 Sep - 28 Sep Aer Lingus direct
22 Sep - 24 Sep easyJet
29 Sep - 01 Oct easyJet
29 Sep - 07 Oct easyJet
29 Sep - 02 Oct easyJet
24 Sep - 03 Oct Aer Lingus direct

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

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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