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

Return flights

05 Sep - 08 Sep	Air Transat
03 Sep - 08 Sep	Air Transat
05 Sep - 20 Sep	Air Transat
05 Sep - 11 Sep	Air Transat
12 Sep - 20 Sep	Air Transat
10 Sep - 21 Sep	Air Transat
11 Sep - 18 Sep	Air Transat
04 Sep - 14 Sep	Air Transat
18 Sep - 23 Sep	Air Transat
04 Sep - 11 Sep	Air Transat
12 Sep - 25 Oct	Air Transat
26 Sep - 04 Oct	Air Transat
29 Sep - 21 Oct	Air Transat
23 Sep - 04 Oct	Air Transat
07 Sep - 05 Oct	Air Transat
22 Sep - 08 Oct	Air Transat
22 Sep - 03 Oct	Air Transat
20 Sep - 08 Oct	Air Transat
23 Sep - 14 Oct	Air Transat
05 Sep - 03 Oct	Air Transat

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 $500

Return flights