AirHint found the following cheapest return flights from Riga (RIX) to Chisinau (RMO) in September 2025 (see full year).

Return flights

27 Sep - 04 Oct	Turkish Airlines
20 Sep - 24 Sep	Ryanair
22 Sep - 26 Sep	LOT
27 Sep - 04 Oct	airBaltic	direct
13 Sep - 22 Sep	airBaltic	direct
10 Sep - 13 Sep	airBaltic	direct
20 Sep - 24 Sep	airBaltic	direct
13 Sep - 20 Sep	airBaltic	direct
14 Sep - 20 Sep	Ryanair
13 Sep - 21 Sep	Ryanair
12 Sep - 20 Sep	Turkish Airlines

Also check the deals for one-way flights from Riga to Chisinau in September.

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 Chisinau in September from $283

Return flights