Cheap Flights from Las Vegas to Great Falls International

Compare Las Vegas to Great Falls International flight deals

Find the cheapest month or even day of the year to fly to Great Falls International

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Flight deals from Las Vegas to Great Falls International

Looking for a cheap last-minute deal or the best return flight from Las Vegas to Great Falls International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Las Vegas to Great Falls International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas to Great Falls International flights are currently cheapest in January.

Direct flights from Las Vegas to Great Falls International

Las Vegas to Great Falls International: Alternative routes

Compare routes from Las Vegas to Great Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Great Falls International.

Las Vegas to Great Falls: Flight information

The things to know before you go.
Cheapest flight foundRs11,474
Cheapest month to flyJanuary
Average flight time2 hrs, 20 mins
Most popular airlineAllegiant Air
Average flights per week2

Finding cheap flights from Las Vegas to Great Falls International: Frequently asked questions

The best price we found for a return flight from Las Vegas to Great Falls International is Rs22,941. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 20 minutes is the average flight time from Las Vegas to Great Falls International.
Allegiant Air flies direct from Las Vegas to Great Falls International.
As of December 2025, there are 2 flights per week flying from Las Vegas to Great Falls International.
The cheapest month to fly from Las Vegas to Great Falls International is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to Great Falls International Airport on Friday, 9 January 2026.
Yes – the average flight time is 2 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Great Falls International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Great Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Great Falls International is Allegiant Air .

Travelling from Las Vegas to Great Falls International Airport (GTF): What you need to know

  • Your route to adventure begins at Las Vegas's main airport, Harry Reid Airport (formerly McCarran Airport) (LAS). Explore the options for reserving a flight from Las Vegas to Great Falls International Airport (GTF) departing from this terminal.

  • 2 hours 20 minutes is the average duration of a direct Las Vegas to Great Falls International Airport flight.

  • The timezone in Great Falls is UTC-6, which is one hour ahead of Las Vegas. Great Falls International Airport is located in Great Falls.

  • Your flight from Las Vegas to GTF won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • High season means busier airports, so aim to get there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stay on schedule.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) makes it easy to travel directly to your destination. Nonstop flights from Las Vegas to Great Falls International Airport (GTF) take off from this terminal.

  • When leaving from LAS, you can catch a direct flight from Las Vegas to Great Falls International Airport with Allegiant Air.

  • Allegiant Air is the airline with the highest number of bookings for flights from LAS to GTF.

  • With a reliable 85.71% of services arriving as scheduled, Allegiant Air is the most punctual carrier operating on this route.

  • Located around 19 kilometres from central Las Vegas, LAS can be reached in about 15 minutes by car (depending on traffic). The journey on public transport is roughly 1 hour.

  • Want a stress-free start to your travels? Stay near Harry Reid Airport (formerly McCarran Airport). Whether you've booked an early flight from Las Vegas to Great Falls International Airport or prefer not to rush, these hotels are the ideal choice:

  • 82.07% of flights departing from Harry Reid Airport (formerly McCarran Airport) reach their destination on schedule. Given its strong performance rating, you're unlikely to experience delays when setting off from LAS.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

About Great Falls International Airport (GTF)

Getting from Great Falls International Airport (GTF) to central Great Falls

  • Great Falls International Airport is about 5 kilometres from central Great Falls. How long it takes to get to the centre by car hire or cab will depend on the time of day. Do a little research before you go.

  • If you're using public transport, expect a journey of roughly 4 hours.

How to find the cheapest flights from Las Vegas to Great Falls International Airport (GTF)

  • Rs11,474 is the best price for a one-way ticket from Las Vegas to Great Falls International Airport. Return flights start at Rs22,941. These prices may change depending on availability and demand.

  • To snag cheap flights from Las Vegas to GTF, book your flight ticket six months ahead of your departure date.

  • November is when you're most likely to land a bargain on a Las Vegas to Great Falls International Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Snapping up a cheap flight ticket from Las Vegas to GTF is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Chase down a great fare on a flight from Las Vegas to Great Falls International Airport with the help of the filters. Pick your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from Las Vegas to Great Falls International Airport (GTF)

  • October is the busiest month for flights from Las Vegas to Great Falls International Airport (GTF). Plan your visit to Great Falls in February for a quieter experience.

  • When booking your Las Vegas to GTF flight ticket, consider the type of weather you enjoy. July is the warmest month in Great Falls, with temperatures ranging from 11ºC to 33ºC.

  • Look for cheap tickets from Las Vegas to Great Falls International Airport in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -21ºC and 8ºC.

More about Great Falls

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Great Falls right here. Explore these hotels after locking in your flight from Las Vegas to Great Falls International Airport:

  • There are so many things to see and do in this city, it can be hard to work out where to begin. Lewis & Clark National Historic Trail Interpretive Centre, Great Falls Dam View and St. Ann Cathedral are top sights which should feature on every Great Falls itinerary.

Explore more of the United States

  • You've done Great Falls, now it's time to explore more of the United States. Journey around 290 kilometres south-east to Billings to check off its must-visit sights. From Museum of Women's History to St. Patrick's Co-Cathedral and Yellowstone Art Museum, you'll have a packed itinerary ahead.

  • If you're interested in discovering another major destination in the United States, consider Missoula, roughly 209 kilometres west of Great Falls. Mt Jumbo Trailhead, Mt Jumbo and Street Art are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.