Cheapest return flights from Chicago to Athens in December from 721€

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

20 Dec - 27 Dec Air Serbia
24 Dec - 31 Dec Air Serbia
23 Dec - 30 Dec Icelandair
19 Dec - 03 Jan Icelandair
19 Dec - 26 Dec Icelandair
21 Dec - 28 Dec TAP
22 Dec - 29 Dec Austrian Airlines
19 Dec - 02 Jan Austrian Airlines

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

Skyscanner

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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