AirHint found the following cheapest return flights from Tunis (TUN) to Sofia (SOF) in August 2025 (see full year).

Return flights

18 Aug - 27 Aug	Tunisair
02 Aug - 12 Aug	Lufthansa
04 Aug - 12 Aug	Nouvelair
04 Aug - 11 Aug	Nouvelair
03 Aug - 12 Aug	Tunisair
19 Aug - 27 Aug	Vueling Airlines
01 Aug - 05 Sep	Lufthansa
16 Aug - 29 Aug	TunisAir Express
19 Aug - 25 Aug	Vueling Airlines
20 Aug - 25 Aug	Tunisair
18 Aug - 26 Aug	Tunisair
27 Aug - 10 Sep	Lufthansa

Also check the deals for one-way flights from Tunis to Sofia in August.

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 Tunis to Sofia in August from $371

Return flights