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

Sunday, September 13th, 2026

3 round-trip options

Returning
Tue, Sep 22, 20269 Day Trip
$1,079 USD
Returning
Wed, Sep 23, 202610 Day Trip
$1,075 USD
Returning
Sun, Sep 27, 202614 Day Trip
$1,102 USD