Cheapest return flights from Southampton to Dublin in September from $185

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

Return flights

12 Sep - 13 Sep Aer Lingus direct
27 Sep - 02 Oct Aer Lingus direct
11 Sep - 13 Sep Aer Lingus direct
04 Sep - 07 Sep KLM
05 Sep - 06 Sep easyJet
02 Sep - 06 Sep Aer Lingus direct
05 Sep - 06 Sep Aer Lingus direct
04 Sep - 07 Sep British Airways direct

Also check the deals for one-way flights from Southampton 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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