AirHint found the following cheapest return flights from Riga (RIX) to Bucharest (OTP) in May 2026 (see full year).

Return flights

08 May - 11 May	airBaltic	direct
17 May - 23 May	airBaltic
17 May - 24 May	airBaltic
21 May - 26 May	Austrian Airlines
20 May - 24 May	Norwegian Air Sweden AOC
22 May - 29 May	Lufthansa
01 May - 03 May	Norwegian Air Sweden AOC
21 May - 28 May	LOT
18 May - 24 May	airBaltic
21 May - 24 May	Norwegian Air Sweden AOC

Also check the deals for one-way flights from Riga to Bucharest in May.

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 May from 119€

Return flights