Athens (ATH) to Chicago (ORD) flight deal in economy from $725

Sunday, September 6th, 2026

3 round-trip options

Returning
Sun, Sep 13, 20267 Day Trip
$728 USD
Returning
Tue, Sep 15, 20269 Day Trip
$726 USD
Returning
Fri, Sep 18, 202612 Day Trip
$730 USD