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

Return flights

23 Aug - 04 Sep	Air Canada
31 Aug - 21 Sep	Air Canada
24 Aug - 31 Aug	Air Canada
31 Aug - 21 Sep	Air France	direct
19 Aug - 29 Aug	Norse Atlantic Airways
11 Aug - 18 Aug	Air Canada
16 Aug - 23 Aug	United
14 Aug - 24 Aug	United
15 Aug - 24 Aug	United
15 Aug - 23 Aug	United
16 Aug - 23 Aug	Air France	direct
08 Aug - 18 Aug	Condor
04 Aug - 12 Aug	Air Canada

Also check the deals for one-way flights from Paris to Ottawa 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 Paris to Ottawa in August from 547€

Return flights