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

Return flights

30 Mar - 09 Apr	British Airways
05 Mar - 18 Mar	British Airways
26 Mar - 09 Apr	British Airways
03 Mar - 12 Mar	British Airways
02 Mar - 09 Mar	British Airways
23 Mar - 06 Apr	British Airways
10 Mar - 17 Mar	British Airways
25 Mar - 03 Apr	British Airways
12 Mar - 21 Mar	British Airways
20 Mar - 28 Mar	British Airways
06 Mar - 12 Mar	Iberia

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

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 Copenhagen in March from $528

Return flights