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

Return flights

12 Oct - 19 Oct	easyJet	direct
15 Oct - 19 Oct	easyJet
09 Oct - 12 Oct	easyJet
16 Oct - 19 Oct	easyJet	direct
02 Oct - 05 Oct	easyJet
19 Oct - 26 Oct	easyJet
22 Oct - 26 Oct	easyJet
19 Oct - 26 Oct	easyJet	direct
02 Oct - 05 Oct	easyJet	direct
01 Oct - 12 Oct	easyJet
31 Oct - 03 Nov	easyJet
31 Oct - 03 Nov	easyJet	direct
30 Oct - 03 Nov	easyJet
30 Oct - 03 Nov	easyJet	direct
31 Oct - 02 Nov	easyJet	direct
31 Oct - 01 Nov	easyJet
25 Oct - 01 Nov	easyJet

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 $100

Return flights