AirHint found the following cheapest return flights from Oakland (OAK) to Athens (ATH) in December 2025 (see full year).

Return flights

31 Dec - 30 Jan	British Airways
09 Dec - 09 Jan	British Airways
14 Dec - 22 Dec	British Airways
16 Dec - 10 Jan	British Airways
16 Dec - 09 Jan	British Airways
15 Dec - 09 Jan	British Airways
25 Dec - 08 Jan	British Airways
22 Dec - 12 Jan	British Airways
16 Dec - 08 Jan	British Airways
24 Dec - 04 Jan	British Airways
25 Dec - 04 Jan	British Airways

Also check the deals for one-way flights from Oakland to Athens in December.

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 Oakland to Athens in December from $941

Return flights