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

Return flights

31 Aug - 02 Sep	SWISS
28 Aug - 01 Sep	LOT
31 Aug - 04 Sep	airBaltic	direct
31 Aug - 05 Sep	SWISS
15 Aug - 27 Aug	LOT
15 Aug - 22 Aug	LOT
18 Aug - 22 Aug	LOT
06 Aug - 21 Aug	LOT
29 Aug - 01 Sep	LOT
21 Aug - 24 Aug	LOT
29 Aug - 13 Sep	LOT
31 Aug - 05 Sep	airBaltic	direct
06 Aug - 20 Aug	Scandinavian Airlines
13 Aug - 18 Aug	airBaltic
14 Aug - 18 Aug	LOT
18 Aug - 24 Aug	LOT
15 Aug - 19 Aug	LOT
31 Aug - 07 Sep	airBaltic
31 Aug - 07 Sep	airBaltic	direct
29 Aug - 14 Sep	LOT

Also check the deals for one-way flights from Zurich to Riga in August.

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 August from 219€

Return flights