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

Return flights

26 Aug - 31 Aug	Austrian Airlines
25 Aug - 02 Sep	Austrian Airlines
27 Aug - 31 Aug	Austrian Airlines
28 Aug - 31 Aug	Austrian Airlines
20 Aug - 22 Aug	Ryanair
21 Aug - 23 Aug	Austrian Airlines
21 Aug - 28 Aug	Austrian Airlines
25 Aug - 30 Aug	Austrian Airlines
11 Aug - 19 Aug	Wizz Air
27 Aug - 30 Aug	Austrian Airlines
17 Aug - 22 Aug	Ryanair

Also check the deals for one-way flights from Sofia to Stockholm 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 Sofia to Stockholm in August from $177

Return flights