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

One-Way flights

26 Aug	Norwegian Air Sweden AOC
19 Aug	Norwegian Air Sweden AOC
25 Aug	airBaltic
12 Aug	Norwegian Air Sweden AOC
30 Aug	Norwegian Air Sweden AOC
22 Aug	airBaltic
23 Aug	airBaltic
13 Aug	Ryanair
20 Aug	Norwegian Air Sweden AOC
24 Aug	Ryanair

Also check the deals for return 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 one-way flights from Riga to Bucharest in August from 47€

One-Way flights