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

Return flights

27 Aug - 02 Sep	Wizz Air
20 Aug - 27 Aug	Wizz Air
24 Aug - 02 Sep	Ryanair
24 Aug - 31 Aug	Ryanair
27 Aug - 08 Sep	Wizz Air
28 Aug - 04 Sep	Ryanair
17 Aug - 20 Sep	Norwegian Air Sweden AOC
19 Aug - 25 Aug	Ryanair
29 Aug - 31 Aug	Ryanair
12 Aug - 19 Aug	Ryanair
20 Aug - 01 Sep	Wizz Air
27 Aug - 01 Sep	Wizz Air
30 Aug - 04 Sep	Ryanair
15 Aug - 20 Aug	Ryanair
18 Aug - 26 Aug	Austrian Airlines
09 Aug - 13 Aug	Lufthansa
18 Aug - 24 Aug	Wizz Air
05 Aug - 13 Aug	Lufthansa

Also check the deals for one-way flights from Stockholm 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 Stockholm to Sofia in August from 144€

Return flights