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

Return flights

28 Sep - 08 Oct	WestJet
16 Sep - 07 Oct	WestJet
05 Sep - 13 Sep	Air Transat
28 Sep - 04 Oct	Air Transat
05 Sep - 14 Sep	Air Transat
02 Sep - 11 Sep	Air Transat
05 Sep - 21 Sep	Air Transat
03 Sep - 08 Sep	Air Transat
09 Sep - 21 Sep	Air Transat
04 Sep - 25 Sep	Air Transat
08 Sep - 13 Sep	Air Transat
01 Sep - 17 Sep	Air Transat
17 Sep - 23 Sep	Air Transat	direct
11 Sep - 05 Oct	Air Transat
25 Sep - 02 Oct	Air Transat
26 Sep - 03 Oct	Air Transat
21 Sep - 05 Oct	Air Transat
17 Sep - 08 Oct	Air Transat	direct
23 Sep - 14 Oct	Air Transat
26 Sep - 10 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 $507

Return flights