Direct (nonstop) flights from Chicago to Duluth

1 airline flys nonstop from Chicago O Hare International (ORD) to Duluth International (DLH). It's 396 miles (638 km), about 1h 49m in the air. Operated by United Airlines.

ORD
Chicago O Hare International
🇺🇸 Chicago, USA
DLH
Duluth International
🇺🇸 Duluth, USA
Flight Time
1h 49m
Distance
396 mi
638 km
CO₂/pax
73 kg
−41 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 18, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
ORD → DLH
Flight Time
1h 49m
Distance
396 mi

Alternative Routes

Other ways to fly from Chicago to Duluth with one stop · direct emits 73 kg CO₂ per passenger

ORD MSP (Minneapolis) DLH
Leg 1: 1h 38m (334 mi) Leg 2: 1h 2m (144 mi) Total: ~2h 40m 🍃 114 kg CO₂ (+56% vs. direct)
Leg 1
ORD → MSP
1h 38m · 334 mi
View ORD to MSP flights →
Leg 2
MSP → DLH
1h 2m · 144 mi
View MSP to DLH flights →

Looking for the return flight?

DLH → ORD: Flights from Duluth to Chicago

Frequently Asked Questions

How long is the direct flight from Chicago to Duluth?

A nonstop flight from Chicago (ORD) to Duluth (DLH) takes approximately 1 hours and 49 minutes. The distance is 396 miles (638 km).

Which airlines fly nonstop from Chicago to Duluth?

Just United Airlines.

Is there a nonstop flight from Chicago to Duluth?

Yes. 1 airline: United Airlines.

How far is Chicago from Duluth?

The flight distance from Chicago to Duluth is 396 miles (638 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 Duluth?

At 1h 49m, 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 Duluth?

Roughly 73 kg CO2 per passenger one-way. That's about the same as driving 365 km.

Is the return flight from Duluth 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 Duluth?

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.