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

Return flights

28 Aug - 02 Sep	Air Canada
29 Aug - 31 Aug	Air Canada
28 Aug - 31 Aug	Air Canada
26 Aug - 10 Sep	United
26 Aug - 13 Sep	United
24 Aug - 21 Sep	Air Canada
30 Aug - 08 Sep	United
29 Aug - 14 Sep	United
30 Aug - 03 Sep	United
30 Aug - 04 Sep	United
28 Aug - 01 Sep	Air Canada
28 Aug - 14 Sep	Air Canada
22 Aug - 30 Aug	Air Canada
21 Aug - 26 Aug	United
28 Aug - 31 Aug	SWISS	direct
24 Aug - 30 Aug	Air Canada
21 Aug - 25 Aug	Air Canada
19 Aug - 30 Aug	American Airlines
16 Aug - 25 Aug	easyJet
21 Aug - 27 Aug	TAP

Also check the deals for one-way flights from Zurich to Toronto 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 Toronto in August from 488€

Return flights