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

Friday, August 14th, 2026

3 round-trip options

Returning
Wed, Aug 19, 20265 Day Trip
$773 USD
Returning
Sat, Aug 22, 20268 Day Trip
$773 USD
Returning
Sun, Aug 23, 20269 Day Trip
$773 USD