Cheapest return flights from Sofia to Cologne in September from $134

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

Return flights

18 Sep - 22 Sep Ryanair
20 Sep - 26 Sep Ryanair
19 Sep - 29 Sep Ryanair direct
11 Sep - 15 Sep Ryanair
19 Sep - 22 Sep Ryanair direct
26 Sep - 29 Sep Ryanair direct
22 Sep - 29 Sep Ryanair direct
15 Sep - 19 Sep Ryanair
19 Sep - 26 Sep Ryanair direct
22 Sep - 26 Sep Ryanair direct
19 Sep - 06 Oct Ryanair direct
26 Sep - 06 Oct Ryanair direct
29 Sep - 17 Oct Ryanair direct
22 Sep - 06 Oct Ryanair direct
26 Sep - 10 Oct Ryanair direct
22 Sep - 10 Oct Ryanair direct
19 Sep - 03 Oct Ryanair direct
29 Sep - 06 Oct Ryanair direct
26 Sep - 03 Oct Ryanair direct
29 Sep - 10 Oct Ryanair direct

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

Skyscanner

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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