Direct (nonstop) flights from Great Falls to Las Vegas

1 airline flys nonstop from Great Falls International (GTF) to Harry Reid International Airport (LAS). It's 810 miles (1,304 km), about 2h 15m in the air. Operated by Allegiant Air.

GTF
Great Falls International
🇺🇸 Great Falls, USA
LAS
Harry Reid International Airport
🇺🇸 Las Vegas, USA
Flight Time
2h 15m
Distance
810 mi
1,304 km
CO₂/pax
150 kg
−29 kg vs. layover
Airlines
1
Allegiant Air
Time Diff
-1h
Operated by Allegiant Air Allegiant Air

Route data last updated: May 28, 2026

Airlines with non-stop flights

Allegiant Air G4 Allegiant Air
Route
GTF → LAS
Flight Time
2h 15m
Distance
810 mi

Alternative Routes

Other ways to fly from Great Falls to Las Vegas with one stop · direct emits 150 kg CO₂ per passenger

GTF SLC (Salt Lake City) LAS
Leg 1: 1h 40m (463 mi) Leg 2: 1h 29m (367 mi) Total: ~3h 9m 🍃 179 kg CO₂ (+19% vs. direct)
Leg 1
GTF → SLC
1h 40m · 463 mi
View GTF to SLC flights →
Leg 2
SLC → LAS
1h 29m · 367 mi
View SLC to LAS flights →
GTF AZA (Mesa) LAS
Leg 1: 2h 33m (978 mi) Leg 2: 1h 14m (275 mi) Total: ~3h 47m 🍃 241 kg CO₂ (+61% vs. direct)
Leg 1
GTF → AZA
2h 33m · 978 mi
View GTF to AZA flights →
Leg 2
AZA → LAS
1h 14m · 275 mi
View AZA to LAS flights →
GTF DEN (Denver) LAS
Leg 1: 2h 3m (623 mi) Leg 2: 2h 3m (628 mi) Total: ~4h 6m 🍃 256 kg CO₂ (+71% vs. direct)
Leg 1
GTF → DEN
2h 3m · 623 mi
View GTF to DEN flights →
Leg 2
DEN → LAS
2h 3m · 628 mi
View DEN to LAS flights →
GTF SEA (Seattle) LAS
Leg 1: 1h 51m (512 mi) Leg 2: 2h 38m (866 mi) Total: ~4h 29m 🍃 280 kg CO₂ (+87% vs. direct)
Leg 1
GTF → SEA
1h 51m · 512 mi
View GTF to SEA flights →
Leg 2
SEA → LAS
2h 38m · 866 mi
View SEA to LAS flights →
GTF ORD (Chicago) LAS
Leg 1: 3h 17m (1,210 mi) Leg 2: 4h 9m (1,514 mi) Total: ~7h 26m 🍃 485 kg CO₂ (+223% vs. direct)
Leg 1
GTF → ORD
3h 17m · 1,210 mi
View GTF to ORD flights →
Leg 2
ORD → LAS
4h 9m · 1,514 mi
View ORD to LAS flights →

Frequently Asked Questions

How long is the direct flight from Great Falls to Las Vegas?

A nonstop flight from Great Falls (GTF) to Las Vegas (LAS) takes approximately 2 hours and 15 minutes. The distance is 810 miles (1,304 km).

Which airlines fly nonstop from Great Falls to Las Vegas?

Just Allegiant Air.

Is there a nonstop flight from Great Falls to Las Vegas?

Yes. 1 airline: Allegiant Air.

How far is Great Falls from Las Vegas?

The flight distance from Great Falls to Las Vegas is 810 miles (1,304 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Great Falls to Las Vegas?

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 Great Falls to Las Vegas?

Roughly 150 kg CO2 per passenger one-way. That's about the same as driving 750 km.

Is the return flight from Las Vegas 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 Las Vegas?

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.