Direct (nonstop) flights from Las Vegas to Great Falls

1 airline flys nonstop from Harry Reid International Airport (LAS) to Great Falls International (GTF). It's 810 miles (1,304 km), about 2h 19m in the air. Operated by Allegiant Air.

LAS
Harry Reid International Airport
🇺🇸 Las Vegas, USA
GTF
Great Falls International
🇺🇸 Great Falls, USA
Flight Time
2h 19m
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 30, 2026

Airlines with non-stop flights

Allegiant Air G4 Allegiant Air
Route
LAS → GTF
Flight Time
2h 19m
Distance
810 mi

Alternative Routes

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

LAS SLC (Salt Lake City) GTF
Leg 1: 1h 29m (367 mi) Leg 2: 1h 38m (463 mi) Total: ~3h 7m 🍃 179 kg CO₂ (+19% vs. direct)
Leg 1
LAS → SLC
1h 29m · 367 mi
View LAS to SLC flights →
Leg 2
SLC → GTF
1h 38m · 463 mi
View SLC to GTF flights →
LAS AZA (Mesa) GTF
Leg 1: 1h 21m (275 mi) Leg 2: 2h 30m (978 mi) Total: ~3h 51m 🍃 241 kg CO₂ (+61% vs. direct)
Leg 1
LAS → AZA
1h 21m · 275 mi
View LAS to AZA flights →
Leg 2
AZA → GTF
2h 30m · 978 mi
View AZA to GTF flights →
LAS DEN (Denver) GTF
Leg 1: 1h 59m (628 mi) Leg 2: 2h 2m (623 mi) Total: ~4h 1m 🍃 256 kg CO₂ (+71% vs. direct)
Leg 1
LAS → DEN
1h 59m · 628 mi
View LAS to DEN flights →
Leg 2
DEN → GTF
2h 2m · 623 mi
View DEN to GTF flights →
LAS SEA (Seattle) GTF
Leg 1: 2h 51m (866 mi) Leg 2: 1h 37m (512 mi) Total: ~4h 28m 🍃 280 kg CO₂ (+87% vs. direct)
Leg 1
LAS → SEA
2h 51m · 866 mi
View LAS to SEA flights →
Leg 2
SEA → GTF
1h 37m · 512 mi
View SEA to GTF flights →
LAS ORD (Chicago) GTF
Leg 1: 3h 46m (1,514 mi) Leg 2: 3h 43m (1,210 mi) Total: ~7h 29m 🍃 485 kg CO₂ (+223% vs. direct)
Leg 1
LAS → ORD
3h 46m · 1,514 mi
View LAS to ORD flights →
Leg 2
ORD → GTF
3h 43m · 1,210 mi
View ORD to GTF flights →

Frequently Asked Questions

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

A nonstop flight from Las Vegas (LAS) to Great Falls (GTF) takes approximately 2 hours and 19 minutes. The distance is 810 miles (1,304 km).

Which airlines fly nonstop from Las Vegas to Great Falls?

Just Allegiant Air.

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

Yes. 1 airline: Allegiant Air.

How far is Las Vegas from Great Falls?

The flight distance from Las Vegas to Great Falls 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 Las Vegas to Great Falls?

At 2h 19m, 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 Las Vegas to Great Falls?

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

Is the return flight from Great Falls to Las Vegas 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 Las Vegas 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 Harry Reid International Airport for this flight?

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