AirHint found the following cheapest return flights from Ottawa (YOW) to Paris (CDG) in September 2026 (see full year).

Return flights

09 Sep - 26 Sep	Air Canada
22 Sep - 06 Oct	Lufthansa
09 Sep - 28 Sep	Lufthansa
07 Sep - 28 Sep	Lufthansa
12 Sep - 26 Sep	Air Canada
06 Sep - 13 Sep	Air Canada
09 Sep - 28 Sep	Air France	direct
07 Sep - 28 Sep	Air France	direct
22 Sep - 06 Oct	Air France	direct
09 Sep - 26 Sep	Air France	direct
12 Sep - 26 Sep	Air France	direct
06 Sep - 13 Sep	Air France	direct

Also check the deals for one-way flights from Ottawa 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 Ottawa to Paris in September from 496€

Return flights