Cheapest return flights from Ontario to Athens in June from 1057€

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

Return flights

01 Jun - 08 Jun United
15 Jun - 29 Jun British Airways
08 Jun - 22 Jun British Airways
11 Jun - 25 Jun British Airways
25 Jun - 02 Jul Iberia
25 Jun - 09 Jul Iberia
22 Jun - 20 Jul Iberia
22 Jun - 06 Jul Iberia
02 Jun - 27 Jun Iberia
21 Jun - 11 Jul Iberia
25 Jun - 18 Jul Iberia
14 Jun - 04 Jul Iberia
08 Jun - 04 Jul Iberia
17 Jun - 11 Jul 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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