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

Friday, September 4th, 2026

3 round-trip options

Returning
Fri, Sep 11, 20267 Day Trip
$726 USD
Returning
Sun, Sep 13, 20269 Day Trip
$728 USD
Returning
Wed, Sep 16, 202612 Day Trip
$730 USD