Cheapest one-way flights from Chicago to Athens in September from 177€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Athens (ATH) in September 2025 (see full year).

One-Way flights

24 Sep Spirit Airlines
08 Sep Spirit Airlines
29 Sep Spirit Airlines
09 Sep Spirit Airlines
16 Sep Spirit Airlines
10 Sep Spirit Airlines
26 Sep Spirit Airlines
23 Sep United direct
24 Sep United direct
09 Sep United direct

Also check the deals for return flights from Chicago to Athens in September.

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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