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

Return flights

27 Aug - 30 Aug	airBaltic
31 Aug - 12 Sep	Ryanair
16 Aug - 27 Sep	Norwegian Air Sweden AOC
26 Aug - 29 Aug	Ryanair
24 Aug - 29 Aug	Ryanair
12 Aug - 14 Aug	Norwegian Air Sweden AOC
13 Aug - 20 Aug	Norwegian Air Sweden AOC
12 Aug - 19 Aug	Norwegian Air Sweden AOC
31 Aug - 12 Sep	airBaltic	direct
13 Aug - 18 Aug	Norwegian Air Sweden AOC
10 Aug - 14 Aug	Ryanair
18 Aug - 24 Aug	Norwegian Air Sweden AOC
13 Aug - 17 Aug	Turkish Airlines

Also check the deals for one-way flights from Riga 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 Riga to Bucharest in August from 152€

Return flights