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

Return flights

26 Aug - 02 Sep	Icelandair
25 Aug - 08 Sep	Air France
13 Aug - 13 Sep	KLM
20 Aug - 27 Aug	Brussels Airlines
10 Aug - 18 Aug	Brussels Airlines
11 Aug - 18 Aug	Air France
01 Aug - 01 Sep	Icelandair
16 Aug - 18 Aug	LOT
05 Aug - 16 Aug	Norse Atlantic Airways
16 Aug - 17 Aug	Norse Atlantic Airways
05 Aug - 15 Aug	Norse Atlantic Airways
06 Aug - 16 Aug	Ryanair
06 Aug - 15 Aug	Icelandair
02 Aug - 16 Aug	Icelandair

Also check the deals for one-way flights from Oslo 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 Oslo to Toronto in August from 483€

Return flights