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

Return flights

19 Sep - 26 Sep	Jetstar Japan
30 Sep - 12 Oct	Turkish Airlines
26 Sep - 07 Oct	Lufthansa
28 Sep - 07 Oct	SWISS
30 Sep - 09 Oct	LOT
27 Sep - 14 Oct	Austrian Airlines
26 Sep - 18 Oct	Qatar Airways
30 Sep - 11 Oct	ITA Airways

Also check the deals for one-way flights from Tokyo 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 Tokyo to Sofia in September from $1054

Return flights