Cheapest return flights from Ontario to Athens in January from $441

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

Return flights

20 Jan - 28 Jan British Airways
28 Jan - 04 Feb British Airways
30 Jan - 13 Feb British Airways
25 Jan - 01 Feb British Airways
29 Jan - 05 Feb British Airways
27 Jan - 03 Feb British Airways
22 Jan - 25 Jan British Airways
24 Jan - 31 Jan British Airways
31 Jan - 07 Feb British Airways
31 Jan - 28 Feb British Airways
15 Jan - 22 Jan British Airways
24 Jan - 02 Feb British Airways
22 Jan - 29 Jan British Airways
30 Jan - 06 Feb British Airways
17 Jan - 31 Jan British Airways
23 Jan - 30 Jan British Airways
16 Jan - 19 Jan British Airways
15 Jan - 19 Jan British Airways
14 Jan - 28 Jan British Airways
26 Jan - 02 Feb Iberia

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

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