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

Monday, August 31st, 2026

3 round-trip options

Returning
Sat, Sep 5, 20265 Day Trip
$1,290 USD
Returning
Tue, Sep 8, 20268 Day Trip
$725 USD
Returning
Wed, Sep 9, 20269 Day Trip
$726 USD