Cheapest return flights from Frankfurt to Sofia in September from $71

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

Return flights

30 Sep - 18 Oct Ryanair direct
18 Sep - 07 Oct Wizz Air direct
18 Sep - 02 Oct Wizz Air direct
30 Sep - 07 Oct Ryanair direct
30 Sep - 02 Oct Ryanair direct
30 Sep - 14 Oct Ryanair direct
30 Sep - 11 Oct Ryanair direct
13 Sep - 02 Oct Wizz Air direct
20 Sep - 07 Oct Wizz Air direct
20 Sep - 02 Oct Wizz Air direct
04 Sep - 20 Sep Ryanair direct
18 Sep - 20 Sep Wizz Air direct
06 Sep - 20 Sep Wizz Air direct
11 Sep - 20 Sep Wizz Air direct
04 Sep - 09 Sep Ryanair direct
04 Sep - 16 Sep Ryanair direct
06 Sep - 09 Sep Wizz Air direct
06 Sep - 16 Sep Wizz Air direct
11 Sep - 16 Sep Wizz Air direct
13 Sep - 20 Sep Wizz Air direct

Also check the deals for one-way flights from Frankfurt 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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