Cheapest return flights from Frankfurt to Sofia in September from $90

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

02 Sep - 20 Sep Wizz Air direct
13 Sep - 20 Sep Wizz Air direct
16 Sep - 20 Sep Wizz Air direct
02 Sep - 06 Sep Wizz Air direct
02 Sep - 13 Sep Wizz Air direct
15 Sep - 20 Sep Ryanair
04 Sep - 06 Sep Ryanair direct
04 Sep - 13 Sep Ryanair direct
13 Sep - 18 Sep Air Serbia
13 Sep - 04 Oct Wizz Air direct
16 Sep - 04 Oct Wizz Air direct
24 Sep - 28 Sep Lufthansa direct
28 Sep - 04 Oct 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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