AirHint found the following cheapest one-way flights from Sofia (SOF) to Karlsruhe/Baden-Baden (FKB) in September 2025 (see full year).
13 Sep | Ryanair | direct |
Also check the deals for return flights from Sofia to Karlsruhe/Baden-Baden in September.
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.