AirHint found the following cheapest return flights from Southend (SEN) to Dublin (DUB) in August 2025 (see full year).

Return flights

29 Aug - 05 Sep	easyJet
20 Aug - 22 Aug	easyJet
27 Aug - 28 Aug	easyJet
21 Aug - 24 Aug	easyJet
18 Aug - 21 Aug	easyJet
21 Aug - 28 Aug	easyJet
27 Aug - 03 Sep	easyJet
21 Aug - 27 Aug	easyJet
15 Aug - 22 Aug	easyJet
06 Aug - 13 Aug	easyJet
06 Aug - 07 Aug	easyJet
13 Aug - 17 Aug	easyJet
27 Aug - 14 Sep	easyJet
29 Aug - 01 Sep	easyJet
24 Aug - 21 Sep	easyJet
17 Aug - 14 Sep	easyJet
28 Aug - 01 Sep	easyJet

Also check the deals for one-way flights from Southend to Dublin in August.

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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Cheapest return flights from Southend to Dublin in August from $230

Return flights