Cheapest return flights from Ontario to Athens in June from $1204

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

Return flights

09 Jun - 25 Jun Iberia
15 Jun - 15 Jul British Airways
11 Jun - 25 Jun British Airways
18 Jun - 02 Jul British Airways
06 Jun - 11 Jul Iberia
12 Jun - 21 Jun British Airways
14 Jun - 30 Jun British Airways
30 Jun - 07 Jul Iberia
10 Jun - 17 Jun Iberia
20 Jun - 11 Jul Iberia

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

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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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