Direct (nonstop) flights from Great Falls to Chicago

1 airline flys nonstop from Great Falls International (GTF) to Chicago O Hare International (ORD). It's 1,210 miles (1,947 km), about 3h 17m in the air. Operated by United Airlines.

GTF
Great Falls International
🇺🇸 Great Falls, USA
ORD
Chicago O Hare International
🇺🇸 Chicago, USA
Flight Time
3h 17m
Distance
1,210 mi
1,947 km
CO₂/pax
204 kg
−100 kg vs. layover
Airlines
1
United Airlines
Time Diff
+1h
Operated by United Airlines United Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
GTF → ORD
Flight Time
3h 17m
Distance
1,210 mi

Alternative Routes

Other ways to fly from Great Falls to Chicago with one stop · direct emits 204 kg CO₂ per passenger

GTF DEN (Denver) ORD
Leg 1: 2h 3m (623 mi) Leg 2: 2h 39m (888 mi) Total: ~4h 42m 🍃 304 kg CO₂ (+49% vs. direct)
Leg 1
GTF → DEN
2h 3m · 623 mi
View GTF to DEN flights →
Leg 2
DEN → ORD
2h 39m · 888 mi
View DEN to ORD flights →
GTF SLC (Salt Lake City) ORD
Leg 1: 1h 40m (463 mi) Leg 2: 3h 16m (1,250 mi) Total: ~4h 56m 🍃 322 kg CO₂ (+58% vs. direct)
Leg 1
GTF → SLC
1h 40m · 463 mi
View GTF to SLC flights →
Leg 2
SLC → ORD
3h 16m · 1,250 mi
View SLC to ORD flights →
GTF LAS (Las Vegas) ORD
Leg 1: 2h 15m (810 mi) Leg 2: 3h 46m (1,514 mi) Total: ~6h 1m 🍃 431 kg CO₂ (+111% vs. direct)
Leg 1
GTF → LAS
2h 15m · 810 mi
View GTF to LAS flights →
Leg 2
LAS → ORD
3h 46m · 1,514 mi
View LAS to ORD flights →
GTF SEA (Seattle) ORD
Leg 1: 1h 51m (512 mi) Leg 2: 4h 11m (1,720 mi) Total: ~6h 2m 🍃 411 kg CO₂ (+101% vs. direct)
Leg 1
GTF → SEA
1h 51m · 512 mi
View GTF to SEA flights →
Leg 2
SEA → ORD
4h 11m · 1,720 mi
View SEA to ORD flights →

Frequently Asked Questions

How long is the direct flight from Great Falls to Chicago?

A nonstop flight from Great Falls (GTF) to Chicago (ORD) takes approximately 3 hours and 17 minutes. The distance is 1,210 miles (1,947 km).

Which airlines fly nonstop from Great Falls to Chicago?

Just United Airlines.

Is there a nonstop flight from Great Falls to Chicago?

Yes. 1 airline: United Airlines.

How far is Great Falls from Chicago?

The flight distance from Great Falls to Chicago 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 Great Falls to Chicago?

At 3h 17m, 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 Great Falls to Chicago?

Roughly 204 kg CO2 per passenger one-way. That's about the same as driving 1,020 km.

Is the return flight from Chicago to Great Falls 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 Great Falls 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 Great Falls International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.