AirHint found the following cheapest return flights from Kerkyra/corfu (CFU) to Sofia (SOF) in September 2025 (see full year).

Return flights

09 Sep - 29 Sep	Ryanair	direct
18 Sep - 22 Sep	Ryanair	direct
18 Sep - 25 Sep	Ryanair	direct
25 Sep - 02 Oct	Ryanair	direct
09 Sep - 11 Sep	Ryanair	direct
11 Sep - 18 Sep	Ryanair
16 Sep - 18 Sep	Ryanair
20 Sep - 27 Sep	Aegean Airlines
11 Sep - 18 Sep	Ryanair	direct
20 Sep - 24 Sep	Aegean Airlines
08 Sep - 15 Sep	Jet2
29 Sep - 14 Oct	Aegean Airlines

Also check the deals for one-way flights from Kerkyra/corfu to Sofia 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.

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Cheapest return flights from Kerkyra/corfu to Sofia in September from $40

Return flights