AirHint found the following cheapest return flights from Prague (PRG) to Bucharest (OTP) in August 2025 (see full year).

Return flights

10 Aug - 19 Aug	Austrian Airlines
01 Aug - 07 Aug	Austrian Airlines
15 Aug - 17 Aug	Austrian Airlines
22 Aug - 24 Aug	Austrian Airlines
10 Aug - 18 Aug	Austrian Airlines
11 Aug - 20 Aug	Austrian Airlines
06 Aug - 11 Aug	Austrian Airlines
14 Aug - 17 Aug	Austrian Airlines
15 Aug - 18 Aug	Austrian Airlines
13 Aug - 18 Aug	Austrian Airlines
29 Aug - 01 Sep	Ryanair

Also check the deals for one-way flights from Prague to Bucharest 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 Prague to Bucharest in August from 148€

Return flights