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

Return flights

25 Aug - 20 Sep	Condor
31 Aug - 20 Sep	Condor
28 Aug - 20 Sep	Scandinavian Airlines
28 Aug - 14 Sep	Flair Airlines
31 Aug - 13 Sep	Flair Airlines
30 Aug - 05 Sep	Flair Airlines
23 Aug - 04 Sep	Air Canada
25 Aug - 30 Sep	Condor
30 Aug - 20 Sep	Flair Airlines
23 Aug - 05 Sep	Air Canada
21 Aug - 28 Aug	Air Canada
21 Aug - 27 Aug	Air Canada
21 Aug - 26 Aug	SWISS
22 Aug - 24 Aug	Scandinavian Airlines
22 Aug - 29 Aug	Scandinavian Airlines
24 Aug - 31 Aug	WestJet
30 Aug - 31 Aug	Flair Airlines
19 Aug - 25 Aug	Air Transat
21 Aug - 28 Aug	SWISS	direct
21 Aug - 27 Aug	SWISS	direct

Also check the deals for one-way flights from Toronto to Zurich 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 Toronto to Zurich in August from 615€

Return flights