Direct (nonstop) flights from Chicago to Sioux City
1 airline flys nonstop from Chicago O Hare International (ORD) to Sioux Gateway Col Bud Day Fld (SUX). It's 436 miles (701 km), about 1h 51m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Sioux City with one stop · direct emits 81 kg CO₂ per passenger
Looking for the return flight?
SUX → ORD: Flights from Sioux City to ChicagoOther direct flights from Chicago
Direct flights from Sioux City (SUX)
Frequently Asked Questions
How long is the direct flight from Chicago to Sioux City?
A nonstop flight from Chicago (ORD) to Sioux City (SUX) takes approximately 1 hours and 51 minutes. The distance is 436 miles (701 km).
Which airlines fly nonstop from Chicago to Sioux City?
Just United Airlines.
Is there a nonstop flight from Chicago to Sioux City?
Yes. 1 airline: United Airlines.
How far is Chicago from Sioux City?
The flight distance from Chicago to Sioux City is 436 miles (701 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Chicago to Sioux City?
At 1h 51m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Chicago to Sioux City?
Roughly 81 kg CO2 per passenger one-way. That's about the same as driving 405 km.
Is the return flight from Sioux City 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 Sioux City?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Chicago O Hare International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.