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

Friday, December 18th, 2026

3 round-trip options

Returning
Wed, Dec 23, 20265 Day Trip
$1,287 USD
Returning
Fri, Dec 25, 20267 Day Trip
$1,242 USD
Returning
Fri, Jan 1, 202714 Day Trip
$1,477 USD