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

Return flights

05 Aug - 12 Aug	Smart Wings	direct
05 Aug - 15 Aug	Smart Wings	direct
01 Aug - 08 Aug	Smart Wings	direct
04 Aug - 09 Aug	LOT
20 Aug - 27 Aug	LOT
20 Aug - 27 Aug	Smart Wings	direct
05 Aug - 10 Aug	Smart Wings
28 Aug - 04 Sep	LOT

Also check the deals for one-way flights from Ostrava to Bourgas 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 Ostrava to Bourgas in August from $331

Return flights