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

Return flights

15 Jul - 22 Jul	British Airways
16 Jul - 23 Jul	Iberia
28 Jul - 05 Aug	British Airways
07 Jul - 21 Jul	jetBlue
15 Jul - 23 Jul	Iberia
29 Jul - 05 Aug	British Airways
29 Jul - 06 Aug	British Airways
22 Jul - 30 Jul	Iberia
16 Jul - 24 Jul	Iberia
23 Jul - 31 Jul	Iberia
20 Jul - 28 Jul	Iberia
20 Jul - 27 Jul	Iberia
19 Jul - 27 Jul	Iberia
28 Jul - 04 Aug	Iberia
27 Jul - 04 Aug	Iberia
26 Jul - 03 Aug	Iberia
25 Jul - 02 Aug	Iberia
24 Jul - 01 Aug	Iberia
23 Jul - 02 Aug	Air Canada
17 Jul - 31 Aug	British Airways

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 $1025

Return flights