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

Friday, September 11th, 2026

3 round-trip options

Returning
Sun, Sep 20, 20269 Day Trip
$1,179 USD
Returning
Mon, Sep 21, 202610 Day Trip
$1,145 USD
Returning
Fri, Sep 25, 202614 Day Trip
$1,139 USD