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

Return flights

22 Jan - 26 Jan	Ryanair	direct
22 Jan - 28 Jan	Ryanair	direct
22 Jan - 29 Jan	Ryanair	direct
28 Jan - 29 Jan	Ryanair	direct
22 Jan - 24 Jan	Ryanair	direct
22 Jan - 02 Feb	Ryanair	direct
28 Jan - 02 Feb	Ryanair	direct
29 Jan - 02 Feb	Ryanair	direct
28 Jan - 13 Feb	Ryanair
29 Jan - 14 Feb	Ryanair
28 Jan - 14 Feb	Ryanair	direct
30 Jan - 01 Feb	Ryanair
05 Jan - 26 Jan	Ryanair	direct
05 Jan - 22 Jan	Ryanair	direct
01 Jan - 10 Jan	Ryanair	direct
29 Jan - 14 Feb	Ryanair	direct
05 Jan - 24 Jan	Ryanair	direct
05 Jan - 10 Jan	Ryanair	direct

Also check the deals for one-way flights from Copenhagen to Sofia 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.

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Cheapest return flights from Copenhagen to Sofia in January from $108

Return flights