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

Thursday, September 10th, 2026

3 round-trip options

Returning
Sat, Sep 19, 20269 Day Trip
$1,202 USD
Returning
Sun, Sep 20, 202610 Day Trip
$1,179 USD
Returning
Thu, Sep 24, 202614 Day Trip
$1,139 USD