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

Return flights

01 Sep - 14 Sep	Brussels Airlines
10 Sep - 17 Sep	Icelandair
10 Sep - 04 Oct	Icelandair
27 Sep - 06 Oct	Icelandair
21 Sep - 11 Oct	Icelandair
15 Sep - 10 Oct	Icelandair
25 Sep - 02 Oct	Icelandair
29 Sep - 25 Oct	Icelandair
27 Sep - 03 Oct	Icelandair
13 Sep - 04 Oct	Icelandair
28 Sep - 04 Oct	Icelandair
29 Sep - 13 Oct	Aer Lingus
10 Sep - 18 Sep	Icelandair
05 Sep - 09 Sep	Icelandair
05 Sep - 12 Sep	Icelandair
10 Sep - 24 Sep	Icelandair
09 Sep - 16 Sep	Icelandair
10 Sep - 16 Sep	Icelandair
03 Sep - 10 Sep	Icelandair
15 Sep - 24 Sep	Icelandair

Also check the deals for one-way flights from Toronto to Paris 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 Paris in September from 420€

Return flights