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

Friday, December 11th, 2026

3 round-trip options

Returning
Wed, Dec 16, 20265 Day Trip
$854 USD
Returning
Fri, Dec 18, 20267 Day Trip
$854 USD
Returning
Fri, Dec 25, 202614 Day Trip
$854 USD