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.
Allegiant Air
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Great Falls to Las Vegas with one stop · direct emits 150 kg CO₂ per passenger
Looking for the return flight?
LAS → GTF: Flights from Las Vegas to Great FallsOther direct flights from Great Falls
Direct flights from Las Vegas (LAS)
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.