AirHint found the following cheapest return flights from Ontario (ONT) to Paris (CDG) in August 2025 (see full year).

Return flights

21 Aug - 25 Aug	Frontier Airlines
27 Aug - 05 Sep	jetBlue
22 Aug - 27 Aug	jetBlue
25 Aug - 10 Sep	Iberia
25 Aug - 11 Sep	Iberia
25 Aug - 01 Sep	Iberia
31 Aug - 30 Sep	Finnair
27 Aug - 08 Sep	Iberia
27 Aug - 14 Sep	Iberia
24 Aug - 28 Sep	jetBlue
26 Aug - 20 Sep	KLM
27 Aug - 20 Sep	KLM
21 Aug - 28 Aug	jetBlue
21 Aug - 27 Aug	jetBlue
21 Aug - 30 Aug	jetBlue
25 Aug - 29 Aug	Iberia
26 Aug - 31 Aug	jetBlue
23 Aug - 27 Aug	Iberia
23 Aug - 25 Aug	Iberia
24 Aug - 27 Aug	Iberia

Also check the deals for one-way flights from Ontario to Paris in August.

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 Ontario to Paris in August from $1029

Return flights