Cheapest return flights from Cologne to Sofia in December from 36€

AirHint found the following cheapest return flights from Cologne (CGN) to Sofia (SOF) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec Ryanair direct
05 Dec - 05 Dec Ryanair direct
01 Dec - 12 Dec Ryanair direct
01 Dec - 05 Dec Ryanair direct
05 Dec - 13 Dec Ryanair direct
05 Dec - 14 Dec Ryanair direct
01 Dec - 13 Dec Ryanair direct
01 Dec - 14 Dec Ryanair direct
05 Dec - 15 Dec Ryanair direct
05 Dec - 19 Dec Ryanair direct
12 Dec - 01 Jan Ryanair direct
29 Dec - 01 Jan Ryanair direct
30 Dec - 01 Jan Ryanair direct
28 Dec - 01 Jan Ryanair direct
27 Dec - 01 Jan Ryanair direct
15 Dec - 01 Jan Ryanair direct
13 Dec - 01 Jan Ryanair direct
29 Dec - 18 Jan Ryanair direct
30 Dec - 18 Jan Ryanair direct
14 Dec - 01 Jan Ryanair direct

Also check the deals for one-way flights from Cologne to Sofia in December.

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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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