Cheapest return flights from Sofia to Cologne in September from $149

Best time to book flights for Sofia (SOF) to Cologne (CGN) flights at AirHint

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

Return flights

26 Sep - 06 Oct Ryanair direct
26 Sep - 03 Oct Ryanair direct
15 Sep - 19 Sep Ryanair direct
22 Sep - 06 Oct Ryanair direct
15 Sep - 22 Sep Ryanair direct
12 Sep - 19 Sep Ryanair direct
12 Sep - 22 Sep Ryanair direct
26 Sep - 10 Oct Ryanair direct
22 Sep - 03 Oct Ryanair direct
22 Sep - 26 Sep Ryanair direct
26 Sep - 13 Oct Ryanair direct
15 Sep - 03 Oct Ryanair direct
15 Sep - 26 Sep Ryanair direct
12 Sep - 26 Sep Ryanair direct
05 Sep - 19 Sep Ryanair direct
12 Sep - 15 Sep Ryanair direct
05 Sep - 22 Sep Ryanair direct
22 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.

Book a cheap hotel in Cologne

Cheap car rent in Cologne