The cheapest times to fly from LAS to GTF are

  • July 30th to December 9th (except the week of November 19th)
  • December 24th to February 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAS to GTF is early to mid October. Prices can be as high as $608 for Sunday flights during mid May, or as low as $160 for Friday flights around early to mid October.


When to Fly to Great Falls

Flying from Las Vegas, NV (LAS) to Great Falls, MT (GTF) will usually cost between $201 to $463 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $261. Due to high demand the most expensive time to fly is mid May, with an average price of $436. Planning your trip to low-cost times can easily save you $176 on economy flights and even more on first-class flights. Generally, any price below $386 can be considered a good price for a round-trip LAS to GTF flight.

See below for a graph of average weekly prices for the LAS to GTF route. All prices are for round-trip tickets in USD.

LAS to GTF Flight Prices

Compared to other flights, the LAS to GTF flight is much cheaper than the average and costs much less than the average flight leaving from Las Vegas. The average price per mile (for a direct flight) is $0.3, which is in the normal range for a flight.


Flight Prices by Day of the Week

Friday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $99 (23%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $325. Return trip prices are from the GTF to LAS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LAS to GTF can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 26 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from LAS to GTF while comparing.

Destination alternative #1: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 118 miles (190 km) away from GTF
  • Usually 24.12% less expensive than GTF
  • Nonstop flights available

See LAS to BZN flights

Destination alternative #2: Missoula International Airport (MSO) in Missoula, MT

  • 134 miles (216 km) away from GTF
  • Usually 20.10% less expensive than GTF
  • Nonstop flights available

See LAS to MSO flights

Destination alternative #3: Glacier Park International Airport (FCA) in Kalispell, MT

  • 145 miles (233 km) away from GTF
  • Usually 13.23% less expensive than GTF
  • Nonstop flights available

See LAS to FCA flights

Destination alternative #4: Bert Mooney Airport (BTM) in Butte, MT

  • 118 miles (190 km) away from GTF
  • Usually 8.17% less expensive than GTF
  • 1-layover flights available

See LAS to BTM flights

Destination alternative #5: Helena Regional Airport (HLN) in Helena, MT

  • 67 miles (108 km) away from GTF
  • Usually 4.28% less expensive than GTF
  • 1-layover flights available

See LAS to HLN flights


Flight Hacking LAS to GTF

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LAS to GTF — but Champion Traveler does!

Hack #1: Phoenix, AZ (LAS > AZA > GTF)

  • Price for both tickets: $366
  • Average savings: $20 (5.06%)

See LAS to AZA flights


Flight Questions Answered

Still have questions about flying from LAS to GTF? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, Allegiant, American, Delta, United, and potentially more during busy seasons.

How far away is it from Great Falls International Airport to McCarran International Airport?

The distance between the two airports is roughly 811 miles or 1305 kilometers.

How long does it take to fly from LAS to GTF?

The real-world flight time for a nonstop LAS to GTF flight is about 2 hour 26 minutes.

How many flights go between Las Vegas, NV and Great Falls, MT?

It depends on the day of the week and the date, but a typical day might have around 54 available flights from LAS to GTF.


Airport Location Info


Departing Airport

Origination code LAS
Origination airport name McCarran International Airport
City Las Vegas, NV
Country the United States
Latitude 36.1
Longitude -115.2

Return Airport

Destination code GTF
Destination airport name Great Falls International Airport
City Great Falls, MT
Country the United States
Latitude 47.5
Longitude -111.4


Late and Early Flight Data

Flights from LAS to GTF tend to depart late almost never compared to the average flight. According to our recently updated data, 11% of flights departed 5 or more minutes late, and 44% of flights left 5 or more minutes early. On average you can expect to leave GTF heading for LAS about 1 minutes early. This does significantly impact arrival time, as the average landing time in Great Falls, MT is about 4 minutes early. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Allegiant: 1 minutes early
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.