Cheapest return flights from Chicago to Athens in December from 390€

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

Return flights

01 Dec - 10 Dec Lufthansa
31 Dec - 14 Jan SWISS
10 Dec - 24 Dec British Airways
29 Dec - 13 Jan KLM
10 Dec - 07 Jan Lufthansa
11 Dec - 25 Dec Lufthansa
04 Dec - 18 Dec Lufthansa
22 Dec - 14 Jan Air France
05 Dec - 11 Dec Delta
05 Dec - 13 Jan Delta
29 Dec - 24 Jan Air France
05 Dec - 10 Jan Scandinavian Airlines
07 Dec - 21 Dec Lufthansa
22 Dec - 17 Jan Air France
06 Dec - 11 Dec Scandinavian Airlines
05 Dec - 11 Jan Scandinavian Airlines
15 Dec - 28 Dec KLM
05 Dec - 12 Jan Delta
06 Dec - 10 Dec Delta
13 Dec - 29 Dec Air France

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

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