Direct (nonstop) flights from Chicago to Great Falls
1 airline flys nonstop from Chicago O Hare International (ORD) to Great Falls International (GTF). It's 1,210 miles (1,947 km), about 3h 43m 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 Great Falls with one stop · direct emits 204 kg CO₂ per passenger
Looking for the return flight?
GTF → ORD: Flights from Great Falls to ChicagoOther direct flights from Chicago
Direct flights from Great Falls (GTF)
Frequently Asked Questions
How long is the direct flight from Chicago to Great Falls?
A nonstop flight from Chicago (ORD) to Great Falls (GTF) takes approximately 3 hours and 43 minutes. The distance is 1,210 miles (1,947 km).
Which airlines fly nonstop from Chicago to Great Falls?
Just United Airlines.
Is there a nonstop flight from Chicago to Great Falls?
Yes. 1 airline: United Airlines.
How far is Chicago from Great Falls?
The flight distance from Chicago to Great Falls is 1,210 miles (1,947 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Chicago to Great Falls?
At 3h 43m, 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 Great Falls?
Roughly 204 kg CO2 per passenger one-way. That's about the same as driving 1,020 km.
Is the return flight from Great Falls 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 Great Falls?
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.