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

Return flights

10 Oct - 17 Oct	Ryanair	direct
01 Oct - 05 Oct	Ryanair	direct
07 Oct - 14 Oct	Ryanair	direct
22 Oct - 29 Oct	Ryanair	direct
03 Oct - 07 Oct	Ryanair	direct
10 Oct - 14 Oct	Ryanair	direct
22 Oct - 27 Oct	Ryanair	direct
03 Oct - 05 Oct	Ryanair	direct
27 Oct - 30 Oct	Ryanair	direct
03 Oct - 06 Oct	Ryanair	direct
30 Oct - 03 Nov	Ryanair	direct
29 Oct - 03 Nov	Ryanair	direct
21 Oct - 03 Nov	Ryanair	direct
30 Oct - 04 Nov	Ryanair
29 Oct - 02 Nov	Ryanair
31 Oct - 02 Nov	LOT

Also check the deals for one-way flights from Sofia 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 Sofia to Copenhagen in October from 69€

Return flights