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

Thursday, July 30th, 2026

3 round-trip options

Returning
Tue, Aug 4, 20265 Day Trip
$774 USD
Returning
Fri, Aug 7, 20268 Day Trip
$814 USD
Returning
Sat, Aug 8, 20269 Day Trip
$779 USD