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

Return flights

31 Oct - 21 Nov	easyJet	direct
31 Oct - 10 Nov	easyJet	direct
30 Oct - 21 Nov	easyJet	direct
31 Oct - 02 Nov	easyJet	direct
31 Oct - 14 Nov	easyJet	direct
30 Oct - 10 Nov	easyJet	direct
31 Oct - 07 Nov	easyJet
31 Oct - 24 Nov	easyJet	direct
31 Oct - 07 Nov	easyJet	direct
30 Oct - 02 Nov	easyJet	direct
22 Oct - 26 Oct	easyJet
23 Oct - 26 Oct	easyJet
30 Oct - 31 Oct	easyJet	direct
21 Oct - 26 Oct	Aer Lingus
27 Oct - 30 Oct	easyJet
27 Oct - 31 Oct	easyJet
24 Oct - 27 Oct	easyJet
26 Oct - 27 Oct	easyJet	direct
25 Oct - 27 Oct	easyJet
21 Oct - 23 Oct	Aer Lingus

Also check the deals for one-way flights from Southampton to Alicante in October.

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 October from 99€

Return flights