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

Monday, December 21st, 2026

3 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$2,078 USD
Returning
Mon, Dec 28, 20267 Day Trip
$1,275 USD
Returning
Mon, Jan 4, 202714 Day Trip
$1,546 USD