Cheapest return flights from Karlsruhe/Baden-Baden to Sofia in September from $111

Best time to book flights for Karlsruhe/Baden-Baden (FKB) to Sofia (SOF) flights at AirHint

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

Return flights

23 Sep - 11 Oct Ryanair direct
16 Sep - 23 Sep Ryanair direct
20 Sep - 23 Sep Ryanair direct
23 Sep - 27 Sep Ryanair direct
18 Sep - 23 Sep Ryanair
16 Sep - 20 Sep Ryanair direct
19 Sep - 23 Sep Ryanair
16 Sep - 27 Sep Ryanair direct
20 Sep - 27 Sep Ryanair direct
17 Sep - 23 Sep Ryanair
23 Sep - 26 Sep Ryanair

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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