Cheapest one-way flights from Ontario to Athens in December from $488

AirHint found the following cheapest one-way flights from Ontario (ONT) to Athens (ATH) in December 2025 (see full year).

One-Way flights

14 Dec Iberia
16 Dec Iberia
24 Dec British Airways
12 Dec Iberia
15 Dec British Airways
29 Dec British Airways
17 Dec British Airways
22 Dec British Airways
23 Dec British Airways
21 Dec Iberia

Also check the deals for return flights from Ontario to Athens in December.

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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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