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

Friday, August 28th, 2026

3 round-trip options

Returning
Wed, Sep 2, 20265 Day Trip
$728 USD
Returning
Sat, Sep 5, 20268 Day Trip
$730 USD
Returning
Sun, Sep 6, 20269 Day Trip
$726 USD