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

Return flights

29 Jun - 11 Jul	SWISS
17 Jun - 22 Jun	Iberia
20 Jun - 27 Jun	SWISS
20 Jun - 24 Jun	SWISS
22 Jun - 05 Jul	SWISS
20 Jun - 23 Jun	SWISS
27 Jun - 30 Jun	SWISS
27 Jun - 29 Jun	SWISS
20 Jun - 28 Jun	SWISS
28 Jun - 05 Jul	SWISS
19 Jun - 26 Jun	SWISS
26 Jun - 09 Jul	British Airways
18 Jun - 25 Jun	SWISS
25 Jun - 16 Jul	SWISS
19 Jun - 22 Jun	SWISS
21 Jun - 02 Jul	SWISS
21 Jun - 11 Jul	SWISS
24 Jun - 13 Jul	SWISS
30 Jun - 08 Jul	SWISS
30 Jun - 10 Jul	SWISS

Also check the deals for one-way flights from Ontario to Rome in June.

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 June from $918

Return flights