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

Return flights

26 Aug - 02 Sep	easyJet
25 Aug - 29 Aug	easyJet
18 Aug - 22 Aug	Austrian Airlines
13 Aug - 19 Aug	easyJet
17 Aug - 23 Aug	easyJet
05 Aug - 07 Aug	LOT
11 Aug - 14 Aug	easyJet
18 Aug - 24 Aug	easyJet
19 Aug - 20 Aug	Vueling Airlines
21 Aug - 24 Aug	Vueling Airlines
01 Aug - 08 Aug	LOT

Also check the deals for one-way flights from Geneva 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 Geneva to Sofia in August from 175€

Return flights