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

Thursday, August 20th, 2026

3 round-trip options

Returning
Tue, Aug 25, 20265 Day Trip
$725 USD
Returning
Fri, Aug 28, 20268 Day Trip
$770 USD
Returning
Sat, Aug 29, 20269 Day Trip
$728 USD