Chicago (ORD) to Athens (ATH) flight deal in economy from $768

Saturday, September 19th, 2026

3 round-trip options

Returning
Mon, Sep 28, 20269 Day Trip
$1,153 USD
Returning
Tue, Sep 29, 202610 Day Trip
$1,139 USD
Returning
Sat, Oct 3, 202614 Day Trip
$1,199 USD