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

Return flights

04 Aug - 18 Aug	Thai Lion Air
15 Aug - 18 Aug	China Eastern
14 Aug - 15 Aug	China Eastern
07 Aug - 12 Aug	Air France
07 Aug - 11 Aug	Air France
03 Aug - 10 Aug	Air France
08 Aug - 12 Aug	Qatar Airways
08 Aug - 11 Aug	Condor
16 Aug - 24 Aug	SWISS
15 Aug - 17 Aug	Qatar Airways

Also check the deals for one-way flights from Bangkok 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 Bangkok to Bucharest in August from $764

Return flights