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

Return flights

10 Oct - 19 Oct	easyJet
31 Oct - 02 Nov	Aer Lingus
10 Oct - 13 Oct	easyJet
02 Oct - 04 Oct	Aer Lingus
02 Oct - 07 Oct	Aer Lingus
07 Oct - 12 Oct	Aer Lingus
24 Oct - 26 Oct	easyJet
27 Oct - 29 Oct	Aer Lingus
26 Oct - 28 Oct	Aer Lingus
01 Oct - 03 Oct	easyJet
28 Oct - 30 Oct	Aer Lingus

Also check the deals for one-way flights from Southampton to Copenhagen 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 Copenhagen in October from 182€

Return flights