Cheapest return flights from Chicago to Athens in September from 395€
AirHint found the following cheapest return flights from Chicago (ORD) to Athens (ATH)
in September 2025 (see full year ).
Return flights
25 Sep
- 16 Oct
Spirit Airlines
395 €
28 Sep
- 07 Oct
Turkish Airlines
445 €
19 Sep
- 26 Sep
Spirit Airlines
457 €
03 Sep
- 17 Sep
Turkish Airlines
461 €
01 Sep
- 11 Sep
British Airways
462 €
02 Sep
- 26 Sep
British Airways
463 €
25 Sep
- 03 Oct
Turkish Airlines
464 €
06 Sep
- 14 Sep
Turkish Airlines
467 €
03 Sep
- 24 Sep
Turkish Airlines
467 €
01 Sep
- 10 Sep
Turkish Airlines
467 €
16 Sep
- 30 Sep
Turkish Airlines
468 €
24 Sep
- 30 Sep
Turkish Airlines
469 €
09 Sep
- 23 Sep
Turkish Airlines
471 €
19 Sep
- 02 Oct
Turkish Airlines
499 €
19 Sep
- 03 Oct
Turkish Airlines
499 €
18 Sep
- 03 Oct
Turkish Airlines
506 €
23 Sep
- 21 Oct
Delta
521 €
08 Sep
- 05 Oct
SWISS
543 €
20 Sep
- 04 Oct
Frontier Airlines
586 €
14 Sep
- 01 Oct
Delta
591 €
Also check the deals for one-way flights from Chicago to Athens in September .
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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