Cheapest return flights from Toronto to Oslo in September from $567

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

Return flights

17 Sep - 02 Oct WestJet
16 Sep - 02 Oct Porter Airlines (Canada) Ltd
16 Sep - 09 Oct Porter Airlines (Canada) Ltd
29 Sep - 06 Oct WestJet
23 Sep - 18 Oct WestJet
22 Sep - 28 Sep Porter Airlines (Canada) Ltd
09 Sep - 23 Sep WestJet
15 Sep - 11 Oct Porter Airlines (Canada) Ltd
11 Sep - 04 Oct Air Transat
05 Sep - 12 Sep WestJet
09 Sep - 04 Oct WestJet
02 Sep - 10 Sep Air Transat
13 Sep - 28 Sep Porter Airlines (Canada) Ltd
12 Sep - 26 Sep Porter Airlines (Canada) Ltd
02 Sep - 15 Sep Air Transat
04 Sep - 14 Sep Delta
03 Sep - 14 Sep Delta
06 Sep - 13 Sep Air Transat

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

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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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