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

Return flights

16 Sep - 23 Sep	airBaltic
16 Sep - 30 Sep	Lufthansa
18 Sep - 02 Oct	Lufthansa
27 Sep - 02 Oct	airBaltic	direct
16 Sep - 20 Sep	Lufthansa
15 Sep - 20 Sep	Lufthansa
03 Sep - 08 Sep	Air France
05 Sep - 08 Sep	Air France
01 Sep - 10 Sep	Air France
23 Sep - 26 Sep	airBaltic	direct
13 Sep - 20 Sep	Eurowings
18 Sep - 02 Oct	airBaltic	direct
13 Sep - 16 Sep	Eurowings
22 Sep - 06 Oct	easyJet
21 Sep - 09 Oct	Scandinavian Airlines
28 Sep - 05 Oct	airBaltic	direct
21 Sep - 09 Oct	airBaltic	direct

Also check the deals for one-way flights from Zurich to Riga 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 Zurich to Riga in September from 189€

Return flights