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

Return flights

24 Sep - 01 Oct	airBaltic	direct
18 Sep - 21 Sep	airBaltic	direct
19 Sep - 22 Sep	airBaltic	direct
19 Sep - 21 Sep	airBaltic	direct
25 Sep - 26 Sep	airBaltic	direct
20 Sep - 22 Sep	airBaltic	direct
13 Sep - 14 Sep	airBaltic	direct
12 Sep - 14 Sep	airBaltic	direct
05 Sep - 12 Sep	airBaltic	direct
08 Sep - 09 Sep	airBaltic	direct
12 Sep - 13 Sep	airBaltic	direct

Also check the deals for one-way flights from Riga to Vilnius 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 Vilnius in September from $65

Return flights