Cheapest return flights from Ontario to Athens in August from $534

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

Return flights

26 Aug - 02 Sep British Airways
31 Aug - 07 Sep British Airways
25 Aug - 01 Sep British Airways
26 Aug - 10 Sep British Airways
29 Aug - 05 Sep British Airways
27 Aug - 03 Sep British Airways
27 Aug - 13 Sep British Airways
28 Aug - 13 Sep British Airways
22 Aug - 12 Sep British Airways
03 Aug - 11 Aug British Airways
11 Aug - 18 Aug British Airways
25 Aug - 02 Sep British Airways
13 Aug - 20 Aug British Airways
10 Aug - 17 Aug British Airways
18 Aug - 25 Aug Iberia
07 Aug - 14 Aug British Airways
12 Aug - 19 Aug British Airways
09 Aug - 16 Aug British Airways
19 Aug - 26 Aug British Airways
06 Aug - 13 Aug British Airways

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

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