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

Return flights

19 Sep - 24 Sep	WestJet
07 Sep - 14 Sep	WestJet
28 Sep - 05 Oct	WestJet
11 Sep - 04 Oct	Porter Airlines (Canada) Ltd
02 Sep - 09 Sep	Air Transat
15 Sep - 11 Oct	WestJet
07 Sep - 12 Sep	WestJet
06 Sep - 12 Sep	Flair Airlines
29 Sep - 25 Oct	Scandinavian Airlines
30 Sep - 25 Oct	Scandinavian Airlines
20 Sep - 11 Oct	WestJet
04 Sep - 11 Sep	Air Transat
18 Sep - 11 Oct	Porter Airlines (Canada) Ltd
14 Sep - 18 Sep	TAP
11 Sep - 22 Sep	Air Transat
08 Sep - 04 Oct	TAP
26 Sep - 12 Oct	WestJet
25 Sep - 18 Oct	Scandinavian Airlines
02 Sep - 08 Sep	Air Transat
06 Sep - 27 Sep	Flair Airlines

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

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 Stockholm in September from $560

Return flights