Direct (nonstop) flights from Dulles to Chicago
1 airline flys nonstop from Washington Dulles International (IAD) to Chicago O Hare International (ORD). It's 588 miles (947 km), about 2h 15m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Dulles to Chicago with one stop · direct emits 109 kg CO₂ per passenger
Looking for the return flight?
ORD → IAD: Flights from Chicago to DullesOther direct flights from Dulles
Direct flights from Chicago (ORD)
Frequently Asked Questions
How long is the direct flight from Dulles to Chicago?
A nonstop flight from Dulles (IAD) to Chicago (ORD) takes approximately 2 hours and 15 minutes. The distance is 588 miles (947 km).
Which airlines fly nonstop from Dulles to Chicago?
Just United Airlines.
Is there a nonstop flight from Dulles to Chicago?
Yes. 1 airline: United Airlines.
How far is Dulles from Chicago?
The flight distance from Dulles to Chicago is 588 miles (947 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Dulles to Chicago?
At 2h 15m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Dulles to Chicago?
Roughly 109 kg CO2 per passenger one-way. That's about the same as driving 545 km.
Is the return flight from Chicago to Dulles 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 Dulles to Chicago?
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 Washington Dulles International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.