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

Return flights

20 Aug - 27 Aug	British Airways
20 Aug - 03 Sep	British Airways
24 Aug - 09 Sep	United
20 Aug - 24 Aug	British Airways
24 Aug - 31 Aug	United
21 Aug - 27 Aug	British Airways
27 Aug - 03 Sep	British Airways
21 Aug - 26 Aug	British Airways
20 Aug - 31 Aug	British Airways
25 Aug - 11 Sep	SWISS
21 Aug - 28 Aug	Iberia
23 Aug - 30 Aug	British Airways
22 Aug - 27 Aug	SWISS
25 Aug - 08 Sep	SWISS
20 Aug - 13 Sep	British Airways
22 Aug - 30 Aug	SWISS
22 Aug - 01 Sep	SWISS
24 Aug - 13 Sep	Iberia
25 Aug - 20 Sep	SWISS
28 Aug - 01 Sep	SWISS

Also check the deals for one-way flights from Ontario to Rome 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 Rome in August from $516

Return flights