Direct (nonstop) flights from Chicago to Dulles
1 airline flys nonstop from Chicago O Hare International (ORD) to Washington Dulles International (IAD). It's 588 miles (947 km), about 2h 3m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Chicago to Dulles with one stop · direct emits 109 kg CO₂ per passenger
Looking for the return flight?
IAD → ORD: Flights from Dulles to ChicagoOther direct flights from Chicago
Direct flights from Dulles (IAD)
Frequently Asked Questions
How long is the direct flight from Chicago to Dulles?
A nonstop flight from Chicago (ORD) to Dulles (IAD) takes approximately 2 hours and 3 minutes. The distance is 588 miles (947 km).
Which airlines fly nonstop from Chicago to Dulles?
Just United Airlines.
Is there a nonstop flight from Chicago to Dulles?
Yes. 1 airline: United Airlines.
How far is Chicago from Dulles?
The flight distance from Chicago to Dulles 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 Chicago to Dulles?
At 2h 3m, 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 Chicago to Dulles?
Roughly 109 kg CO2 per passenger one-way. That's about the same as driving 545 km.
Is the return flight from Dulles 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 Dulles?
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.