Cheapest return flights from Copenhagen to Sofia in September from $69

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

Return flights

29 Sep - 13 Oct Ryanair direct
29 Sep - 08 Oct Ryanair direct
29 Sep - 30 Sep Ryanair direct
29 Sep - 03 Oct Ryanair direct
22 Sep - 08 Oct Ryanair direct
22 Sep - 30 Sep Ryanair direct
22 Sep - 03 Oct Ryanair direct
22 Sep - 23 Sep Ryanair direct
30 Sep - 13 Oct Ryanair direct
23 Sep - 13 Oct Ryanair direct
28 Sep - 13 Oct Ryanair direct
29 Sep - 15 Oct Ryanair direct
22 Sep - 24 Sep Ryanair direct
15 Sep - 30 Sep Ryanair direct
15 Sep - 03 Oct Ryanair direct
15 Sep - 23 Sep Ryanair direct
16 Sep - 30 Sep Ryanair direct
23 Sep - 30 Sep Ryanair direct
16 Sep - 23 Sep Ryanair direct
28 Sep - 30 Sep Ryanair direct

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