Cheapest return ONT–CPH flights, September

AirHint found the following cheapest return flights from Ontario (ONT) to Copenhagen (CPH) in September 2026 (see full year).

Return flights

11 Sep - 18 Sep British Airways
25 Sep - 02 Oct British Airways
18 Sep - 25 Sep British Airways
22 Sep - 29 Sep British Airways
09 Sep - 16 Sep British Airways
15 Sep - 22 Sep British Airways
19 Sep - 03 Oct Turkish Airlines
27 Sep - 04 Oct Turkish Airlines

Also check the deals for one-way flights from Ontario to Copenhagen in September.

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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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