Cheapest return flights from Chicago to Athens in December from $570

Best time to book flights for Chicago (ORD) to Athens (ATH) flights at AirHint

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

Return flights

09 Dec - 10 Jan American Airlines
10 Dec - 07 Jan Air Serbia
09 Dec - 07 Jan Lufthansa
11 Dec - 07 Jan Lufthansa
13 Dec - 20 Dec British Airways
17 Dec - 24 Dec Air Serbia
15 Dec - 22 Dec British Airways
16 Dec - 23 Dec SWISS
14 Dec - 21 Dec British Airways
08 Dec - 15 Dec Turkish Airlines
18 Dec - 25 Dec jetBlue

Also check the deals for one-way flights from Chicago 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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