AirHint found the following cheapest one-way flights from Riga (RIX) to Zurich (ZRH) in September 2025 (see full year).

One-Way flights

26 Sep	Norwegian Air Sweden AOC
09 Sep	Norwegian Air Sweden AOC
04 Sep	Norwegian Air Sweden AOC
25 Sep	airBaltic	direct
26 Sep	airBaltic	direct
24 Sep	airBaltic	direct
17 Sep	airBaltic	direct
21 Sep	Norwegian Air Sweden AOC
02 Sep	Norwegian Air Sweden AOC
10 Sep	Norwegian Air Sweden AOC

Also check the deals for return flights from Riga to Zurich 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 one-way flights from Riga to Zurich in September from $102

One-Way flights