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

Return flights

25 Nov - 02 Dec	Air Canada
26 Nov - 03 Dec	Air Canada
05 Nov - 21 Nov	Lufthansa
28 Nov - 05 Dec	Scandinavian Airlines
29 Nov - 06 Dec	Scandinavian Airlines
30 Nov - 07 Dec	Scandinavian Airlines
25 Nov - 09 Dec	British Airways
10 Nov - 24 Nov	British Airways
27 Nov - 04 Dec	Air Canada
13 Nov - 27 Nov	United
28 Nov - 03 Dec	SWISS
07 Nov - 15 Nov	Scandinavian Airlines
02 Nov - 16 Nov	SWISS
07 Nov - 16 Nov	Air Canada
13 Nov - 16 Nov	Air Canada
23 Nov - 28 Nov	SWISS
21 Nov - 27 Nov	British Airways
22 Nov - 06 Dec	British Airways
27 Nov - 30 Nov	British Airways
20 Nov - 04 Dec	United

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

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 Chicago to Athens in November from 404€

Return flights