ATH to ORD from $725 in economy – flightdeals.net

Home Premium Fare Deals About

Air Canada

Lufthansa

Swiss International Air Lines

LXSwiss International Air Lines

Austrian Airlines

OSAustrian Airlines

United Airlines

UAUnited Airlines

Round Trip•Economy

Athens International Airport

O'Hare International Airport

Chicago, United States

$771 USD

-6%$725 USD

Verified 13 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$725 1$725 2$725 3$726 4$726 5$725 6$726 7$726 8$733 9$725 10$725 11$725 12$741 13$741 14$735 15$733 16$725 17$733 18$725 19$733 20$773 21$733 22$733 23$725 24$725 25$733 26$781 27$828 28$733 29$733 30$725 1$725 2$733 3$741 4$773

Great Availability

81% of dates checked are available within 10% of the lowest price

Tuesday, September 15th, 2026

3 round-trip options

Returning

Tue, Sep 22, 2026•7 Day Trip

$734 USD

Returning

Thu, Sep 24, 2026•9 Day Trip

$738 USD

Returning

Sun, Sep 27, 2026•12 Day Trip

$733 USD