Direct (nonstop) flights from Chicago to Shannon
1 airline flys nonstop from Chicago O Hare International (ORD) to Shannon (SNN). It's 3,590 miles (5,778 km), about 7h 25m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Shannon with one stop · direct emits 549 kg CO₂ per passenger
Looking for the return flight?
SNN → ORD: Flights from Shannon to ChicagoOther direct flights from Chicago
Direct flights from Shannon (SNN)
Frequently Asked Questions
How long is the direct flight from Chicago to Shannon?
A nonstop flight from Chicago (ORD) to Shannon (SNN) takes approximately 7 hours and 25 minutes. The distance is 3,590 miles (5,778 km).
Which airlines fly nonstop from Chicago to Shannon?
Just United Airlines.
Is there a nonstop flight from Chicago to Shannon?
Yes. 1 airline: United Airlines.
How far is Chicago from Shannon?
The flight distance from Chicago to Shannon is 3,590 miles (5,778 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to New York.
What is the time difference between Chicago and Shannon?
Shannon is 6 hours ahead of Chicago. (America/Chicago vs Europe/Dublin.)
Will I experience jet lag flying from Chicago to Shannon?
Probably — 6-hour time difference means moderate 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 Shannon?
At 7h 25m, 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 Ireland?
Depends on your passport. Check with the Ireland embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Chicago to Shannon?
Roughly 549 kg CO2 per passenger one-way. That's about the same as driving 2,745 km.
Is the return flight from Shannon 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 Shannon?
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.