Cheapest return flights from Toronto to Oslo in September from $726

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

Return flights

30 Sep - 09 Oct Porter Airlines (Canada) Ltd
11 Sep - 21 Sep Air Transat
14 Sep - 20 Sep Porter Airlines (Canada) Ltd
19 Sep - 11 Oct Air Transat
09 Sep - 04 Oct Air Transat
13 Sep - 21 Sep Porter Airlines (Canada) Ltd
29 Sep - 06 Oct Porter Airlines (Canada) Ltd
13 Sep - 28 Sep Porter Airlines (Canada) Ltd
17 Sep - 23 Sep Air Transat
01 Sep - 10 Sep Porter Airlines (Canada) Ltd
08 Sep - 04 Oct Air Transat
01 Sep - 07 Sep Porter Airlines (Canada) Ltd
05 Sep - 27 Sep Porter Airlines (Canada) Ltd
13 Sep - 04 Oct SWISS
12 Sep - 26 Sep SWISS
10 Sep - 13 Sep SWISS

Also check the deals for one-way flights from Toronto to Oslo in September.

Skyscanner

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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