Cheapest return flights from Karlsruhe/Baden-Baden to Sofia in September from $51

AirHint found the following cheapest return flights from Karlsruhe/Baden-Baden (FKB) to Sofia (SOF) in September 2025 (see full year).

Return flights

20 Sep - 26 Sep Ryanair direct
20 Sep - 27 Sep Ryanair direct
09 Sep - 16 Sep Ryanair direct
09 Sep - 26 Sep Ryanair direct
09 Sep - 27 Sep Ryanair direct
12 Sep - 16 Sep Ryanair direct
12 Sep - 26 Sep Ryanair direct
12 Sep - 27 Sep Ryanair direct
02 Sep - 16 Sep Ryanair direct
23 Sep - 26 Sep Ryanair direct
20 Sep - 07 Oct Ryanair direct
27 Sep - 07 Oct Ryanair direct
23 Sep - 07 Oct Ryanair direct
19 Sep - 07 Oct Ryanair direct
26 Sep - 07 Oct Ryanair direct
20 Sep - 10 Oct Ryanair direct
27 Sep - 10 Oct Ryanair direct
23 Sep - 10 Oct Ryanair direct
19 Sep - 10 Oct Ryanair direct
26 Sep - 10 Oct Ryanair direct

Also check the deals for one-way flights from Karlsruhe/Baden-Baden to Sofia in September.

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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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