AirHint found the following cheapest return flights from Ontario (ONT) to Rome (FCO) in June 2026 (see full year).

Return flights

11 Jun - 25 Jun	British Airways
16 Jun - 23 Jun	SWISS
14 Jun - 25 Jun	British Airways
02 Jun - 09 Jun	British Airways
20 Jun - 06 Jul	KLM
08 Jun - 04 Jul	Iberia
14 Jun - 28 Jun	British Airways
20 Jun - 29 Jun	British Airways
18 Jun - 04 Jul	British Airways
20 Jun - 11 Jul	Iberia
17 Jun - 24 Jun	British Airways
27 Jun - 04 Jul	British Airways
27 Jun - 11 Jul	British Airways
16 Jun - 10 Jul	British Airways
19 Jun - 03 Jul	British Airways
15 Jun - 18 Jun	British Airways
26 Jun - 12 Jul	British Airways

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 $1055

Return flights