Cheapest return flights from Frankfurt to Sofia in September from 159€

Best time to book flights for Frankfurt (FRA) to Sofia (SOF) flights at AirHint

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

Return flights

06 Sep - 21 Sep Air Serbia
17 Sep - 24 Sep Air Serbia
06 Sep - 09 Sep Air Serbia
06 Sep - 21 Sep Lufthansa direct
17 Sep - 24 Sep Lufthansa direct
06 Sep - 09 Sep Lufthansa direct

Also check the deals for one-way flights from Frankfurt 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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