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

Return flights

28 Aug - 30 Aug	Bulgaria Air	direct
30 Aug - 01 Sep	Bulgaria Air	direct
21 Aug - 25 Aug	Bulgaria Air	direct
19 Aug - 26 Aug	Bulgaria Air	direct
19 Aug - 22 Aug	Bulgaria Air	direct
31 Aug - 01 Sep	Bulgaria Air	direct
21 Aug - 22 Aug	Bulgaria Air	direct
18 Aug - 20 Aug	Bulgaria Air	direct
18 Aug - 18 Aug	Ryanair

Also check the deals for one-way flights from Bourgas 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 Bourgas to Sofia in August from 126€

Return flights