AirHint found the following cheapest return flights from Southampton (SOU) to Copenhagen (CPH) in January 2026 (see full year).

Return flights

19 Jan - 31 Jan	Aer Lingus
22 Jan - 26 Jan	Aer Lingus
29 Jan - 03 Feb	easyJet
24 Jan - 25 Jan	KLM
31 Jan - 01 Feb	KLM
02 Jan - 09 Jan	easyJet

Also check the deals for one-way flights from Southampton to Copenhagen in January.

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Southampton to Copenhagen in January from $222

Return flights