AirHint found the following cheapest return flights from Southampton (SOU) to Alicante (ALC) in August 2025 (see full year).

Return flights

30 Aug - 02 Sep	easyJet
28 Aug - 25 Sep	easyJet
07 Aug - 10 Aug	easyJet	direct
06 Aug - 10 Aug	Aer Lingus
28 Aug - 31 Aug	easyJet	direct
03 Aug - 07 Aug	easyJet	direct
07 Aug - 14 Aug	easyJet	direct
31 Aug - 04 Sep	easyJet
21 Aug - 24 Aug	easyJet	direct
14 Aug - 21 Aug	easyJet	direct
08 Aug - 10 Aug	easyJet
14 Aug - 24 Aug	easyJet	direct
10 Aug - 14 Aug	Aer Lingus
28 Aug - 01 Sep	easyJet
28 Aug - 25 Sep	easyJet	direct
29 Aug - 01 Sep	easyJet
31 Aug - 04 Sep	easyJet	direct

Also check the deals for one-way flights from Southampton to Alicante 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 Southampton to Alicante in August from $202

Return flights