Cheapest return flights from Chicago to Athens in December from 425€

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

Return flights

08 Dec - 22 Dec SWISS
02 Dec - 22 Dec SWISS
10 Dec - 12 Jan KLM
29 Dec - 12 Jan Air France
01 Dec - 06 Dec Scandinavian Airlines
13 Dec - 13 Jan Iberia
04 Dec - 13 Dec Lufthansa
06 Dec - 11 Jan Scandinavian Airlines
05 Dec - 07 Dec LOT
13 Dec - 12 Jan British Airways
01 Dec - 09 Jan Lufthansa
07 Dec - 21 Dec Lufthansa
10 Dec - 11 Jan Scandinavian Airlines
10 Dec - 09 Jan LOT
10 Dec - 10 Jan LOT
14 Dec - 13 Jan KLM
14 Dec - 23 Dec Delta
15 Dec - 23 Dec Delta
05 Dec - 27 Dec LOT
13 Dec - 22 Dec British Airways

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

Powered by

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Feel free to contact us with any feedback or request another flight research.