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

Monday, December 14th, 2026

3 round-trip options

Returning
Sat, Dec 19, 20265 Day Trip
$1,122 USD
Returning
Mon, Dec 21, 20267 Day Trip
$989 USD
Returning
Mon, Dec 28, 202614 Day Trip
$1,072 USD