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

Sunday, September 6th, 2026

3 round-trip options

Returning
Tue, Sep 15, 20269 Day Trip
$1,079 USD
Returning
Wed, Sep 16, 202610 Day Trip
$1,079 USD
Returning
Sun, Sep 20, 202614 Day Trip
$1,119 USD