Direct (nonstop) flights from Chicago to Athens
2 airlines fly nonstop from Chicago O Hare International (ORD) to Athens International Airport (ATH). It's 5,462 miles (8,791 km), about 10h 15m in the air. Operated by American Airlines, United Airlines.
American Airlines
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AA
American Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Athens with one stop · direct emits 835 kg CO₂ per passenger
Looking for the return flight?
ATH → ORD: Flights from Athens to ChicagoOther direct flights from Chicago
Direct flights from Athens (ATH)
Frequently Asked Questions
How long is the direct flight from Chicago to Athens?
A nonstop flight from Chicago (ORD) to Athens (ATH) takes approximately 10 hours and 15 minutes. The distance is 5,462 miles (8,791 km).
Which airlines fly nonstop from Chicago to Athens?
2 airlines: American Airlines, United Airlines.
Is there a nonstop flight from Chicago to Athens?
Yes. 2 airlines: American Airlines, United Airlines.
How far is Chicago from Athens?
The flight distance from Chicago to Athens is 5,462 miles (8,791 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.
What is the time difference between Chicago and Athens?
Athens is 8 hours ahead of Chicago. (America/Chicago vs Europe/Athens.)
Will I experience jet lag flying from Chicago to Athens?
Probably — 8-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from Chicago to Athens?
At 10h 15m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from USA to Greece?
Depends on your passport. Check with the Greece embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Chicago to Athens?
Roughly 835 kg CO2 per passenger one-way. That's about the same as driving 4,175 km.
Is the return flight from Athens to Chicago also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Chicago to Athens?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at Chicago O Hare International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.