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

Return flights

18 Jul - 25 Jul	Iberia
16 Jul - 23 Jul	Iberia
09 Jul - 16 Jul	Iberia
02 Jul - 10 Jul	Iberia
08 Jul - 16 Jul	Iberia
01 Jul - 09 Jul	British Airways
07 Jul - 14 Jul	British Airways
21 Jul - 28 Jul	British Airways
19 Jul - 26 Jul	British Airways
05 Jul - 13 Jul	British Airways
11 Jul - 01 Aug	Iberia

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

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 Athens in July from 749€

Return flights