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

Return flights

25 Sep - 28 Sep	Norwegian Air Sweden AOC
25 Sep - 02 Oct	Norwegian Air Sweden AOC
30 Sep - 02 Oct	airBaltic
19 Sep - 25 Sep	Ryanair
19 Sep - 21 Sep	Ryanair
15 Sep - 22 Sep	Ryanair
21 Sep - 28 Sep	Norwegian Air Sweden AOC
20 Sep - 26 Sep	airBaltic
21 Sep - 30 Sep	Lufthansa
18 Sep - 25 Sep	Norwegian Air Sweden AOC
05 Sep - 08 Sep	Norwegian Air Sweden AOC
09 Sep - 11 Sep	Ryanair

Also check the deals for one-way flights from Riga to Geneva 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 Geneva in September from 157€

Return flights