What is the cheapest airline that flies from Great Falls to Las Vegas Harry Reid Intl?

Allegiant Air, Delta, and United Airlines are the most popular carriers operating from Great Falls to Las Vegas Harry Reid Intl

How many flights depart from Great Falls to Las Vegas on average per week?

2 flights are operational weekly from Great Falls to Las Vegas as of October 2025. The most popular departure day for this route is Mon, with 50% of flights per week taking off on this day.

What airlines fly to Las Vegas?

Allegiant Air, Delta and Alaska Airlines are the top three most popular airlines that fly to Las Vegas from Great Falls according to our data. Allegiant Air is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 4 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport?

Prices for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport were last updated today.

How many operators does momondo search for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport?

The number of operators available for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport is 3 as of October 2025.

How old do you have to be to fly from Great Falls Airport to Las Vegas Harry Reid Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to Las Vegas Harry Reid Intl Airport.

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$55 Cheap Flights from Great Falls to Las Vegas in 2025/26

Q: What is the typical price of a round-trip flight between Great Falls and Las Vegas?

Prices are currently low for flights on this route. Typical prices usually range from $160 to $719. The lowest price recently found on this route was $82.

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Enter your travel dates to find the best prices.

10:21 pm - 11:36 pmGTF-LAS

2h 15mnonstop

6:08 pm - 9:31 pmLAS-GTF

2h 23mnonstop

$82Allegiant Air

Find Deal

Mon, Nov 10 - Fri, Nov 14

9:22 pm - 10:34 pmGTF-LAS

2h 12mnonstop

5:20 pm - 8:43 pmLAS-GTF

2h 23mnonstop

$88Allegiant Air

Find Deal

Mon, Nov 3 - Fri, Nov 7

11:17 am - 12:30 pmGTF-LAS

2h 13mnonstop

11:52 am - 6:55 pmLAS-GTF

6h 03m1 stop

$176Multiple Airlines

Find Deal

Wed, Dec 10 - Thu, Dec 11

11:17 am - 12:30 pmGTF-LAS

2h 13mnonstop

11:52 am - 6:55 pmLAS-GTF

6h 03m1 stop

$177Multiple Airlines

Find Deal

Wed, Dec 10 - Thu, Dec 11

2:30 pm - 8:46 pmGTF-LAS

7h 16m1 stop

5:55 am - 1:27 pmLAS-GTF

6h 32m1 stop

$232United Airlines

Find Deal

Sat, Nov 15 - Tue, Nov 18

6:50 pm - 7:15 pmGTF-LAS

25h 25m1 stop

10:08 am - 6:10 pmLAS-GTF

7h 02m1 stop

$252Alaska Airlines

Find Deal

Tue, Nov 11 - Sat, Nov 15

6:10 am - 10:45 amGTF-LAS

5h 35m1 stop

3:33 pm - 9:53 pmLAS-GTF

5h 20m1 stop

$253United Airlines

Find Deal

Sun, Jan 11 - Thu, Jan 15

6:50 pm - 7:15 pmGTF-LAS

25h 25m1 stop

10:08 am - 6:10 pmLAS-GTF

7h 02m1 stop

$262Alaska Airlines

Find Deal

Mon, Nov 10 - Fri, Nov 14

1:12 pm - 6:27 pmGTF-LAS

6h 15m1 stop

11:05 am - 10:30 pmLAS-GTF

10h 25m2 stops

$284Delta

Find Deal

Sun, Nov 9 - Wed, Nov 12

1:10 pm - 10:44 pmGTF-LAS

10h 34m2 stops

6:10 am - 12:32 pmLAS-GTF

5h 22m1 stop

$290Delta

Find Deal

Wed, Jan 14 - Sun, Jan 18

Allegiant Air flights from Great Falls to Las Vegas

Our best Allegiant Air deals on Great Falls to Las Vegas flight tickets

Allegiant Air

Nov 10

GTF10:21 pmGreat Falls

2h 15m

LAS11:36 pmLas Vegas Harry Reid Intl

Nov 14

LAS6:08 pmLas Vegas Harry Reid Intl

2h 23m

GTF9:31 pmGreat Falls

$82

Find similar

Allegiant Air

Nov 3

GTF9:22 pmGreat Falls

2h 12m

LAS10:34 pmLas Vegas Harry Reid Intl

Nov 7

LAS5:20 pmLas Vegas Harry Reid Intl

2h 23m

GTF8:43 pmGreat Falls

$88

Find similar

Allegiant Air

Nov 10

GTF10:21 pmGreat Falls

2h 15m

LAS11:36 pmLas Vegas Harry Reid Intl

Nov 14

LAS6:08 pmLas Vegas Harry Reid Intl

2h 23m

GTF9:31 pmGreat Falls

$94

Find similar

United Airlines flights from Great Falls to Las Vegas

Our best United Airlines deals on Great Falls to Las Vegas flight tickets

United Airlines

Nov 15

GTF2:30 pmGreat Falls

7h 16m

1 stop

LAS8:46 pmLas Vegas Harry Reid Intl

Nov 18

LAS5:55 amLas Vegas Harry Reid Intl

6h 32m

1 stop

GTF1:27 pmGreat Falls

$232

Find similar

United Airlines

Jan 11

GTF6:10 amGreat Falls

5h 35m

1 stop

LAS10:45 amLas Vegas Harry Reid Intl

Jan 15

LAS3:33 pmLas Vegas Harry Reid Intl

5h 20m

1 stop

GTF9:53 pmGreat Falls

$253

Find similar

United Airlines

Nov 7

GTF2:30 pmGreat Falls

7h 16m

1 stop

LAS8:46 pmLas Vegas Harry Reid Intl

Nov 11

LAS5:55 amLas Vegas Harry Reid Intl

6h 32m

1 stop

GTF1:27 pmGreat Falls

$331

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 11/10

10:21 pm-11:36 pm

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 11/14

6:08 pm-9:31 pm

Nonstop2h 23m

$82

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 11/3

9:22 pm-10:34 pm

Nonstop2h 12m

Las Vegas Harry Reid Intl

Fri 11/7

5:20 pm-8:43 pm

Nonstop2h 23m

$88

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 12/10

11:17 am-12:30 pm

Nonstop2h 13m

Las Vegas Harry Reid Intl

Thu 12/11

11:52 am-6:55 pm

1 stop6h 03m

$176

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 12/10

11:17 am-12:30 pm

Nonstop2h 13m

Las Vegas Harry Reid Intl

Thu 12/11

11:52 am-6:55 pm

1 stop6h 03m

$177

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sat 11/15

2:30 pm-8:46 pm

1 stop7h 16m

Las Vegas Harry Reid Intl

Tue 11/18

5:55 am-1:27 pm

1 stop6h 32m

$232

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Tue 11/11

6:50 pm-7:15 pm

1 stop25h 25m

Las Vegas Harry Reid Intl

Sat 11/15

10:08 am-6:10 pm

1 stop7h 02m

$252

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sun 1/11

6:10 am-10:45 am

1 stop5h 35m

Las Vegas Harry Reid Intl

Thu 1/15

3:33 pm-9:53 pm

1 stop5h 20m

$253

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 11/10

6:50 pm-7:15 pm

1 stop25h 25m

Las Vegas Harry Reid Intl

Fri 11/14

10:08 am-6:10 pm

1 stop7h 02m

$262

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sun 11/9

1:12 pm-6:27 pm

1 stop6h 15m

Las Vegas Harry Reid Intl

Wed 11/12

11:05 am-10:30 pm

2 stops10h 25m

$284

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 1/14

1:10 pm-10:44 pm

2 stops10h 34m

Las Vegas Harry Reid Intl

Sun 1/18

6:10 am-12:32 pm

1 stop5h 22m

$290

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How to get the cheapest flight ticket from Great Falls to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Great Falls and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Great Falls, with most prices found around $120. The month of June is another great option to travel to Las Vegas, with average flight prices from Great Falls averaging around $132.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $111. Flights from Great Falls to Las Vegas on a Thursday will generally be more expensive and average around $350. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $120. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $188. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Great Falls to Las Vegas Harry Reid Intl flight route?

Fly from Great Falls to Las Vegas Harry Reid Intl for the best Great Falls - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Great Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $197 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Great Falls for as low as $129 on momondo.

What cabin class options are available on Great Falls to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Great Falls to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Great Falls to Las Vegas flight prices changed over time?

As of October 2025, prices for Great Falls to Las Vegas flights are approximately 57% more expensive when compared to flights at the same time last year.

When to book flights from Great Falls to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Great Falls to Las Vegas (GTF to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Las Vegas

Best Price Found	$148
Fastest flight time	2h 11m
Direct flights	Tue, Thu, Fri and Sat
Airports in Las Vegas	1 airport

The best flight deal from Great Falls to Las Vegas found on momondo in the last 72 hours is $148

The fastest flight from Great Falls to Las Vegas takes 2h 11m

Direct flights go from Great Falls to Las Vegas on Tuesday, Thursday, Friday and Saturday. The only airline offering direct flights is Allegiant Air.

There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

Search flight deals

How far is Great Falls to Las Vegas Harry Reid Intl by plane?
The straight-line distance from Great Falls to Las Vegas Harry Reid Intl is 806.2 mi. 2h 11m is a normal flight duration for this route.
When did momondo last update prices for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport?
Prices for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport were last updated today.
How many operators does momondo search for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport?
The number of operators available for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport is 3 as of October 2025.
How old do you have to be to fly from Great Falls Airport to Las Vegas Harry Reid Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to Las Vegas Harry Reid Intl Airport.
What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?
The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Great Falls to Las Vegas?
momondo data reveals that the most frequently booked plane model on the route from Great Falls to Las Vegas is Airbus A319, representing 86.44% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 6.78%, Boeing 737-800 Passenger/BBJ2 (winglets) at 5.08%, and Airbus A320-100/200 at 1.69%.
What is the most popular airline from Great Falls to Las Vegas?
momondo data reveals that the most frequently booked airline on the route from Great Falls to Las Vegas is Allegiant Air, representing 77% of all bookings. The subsequent popular airlines are Delta at 14% and United Airlines at 9%.

Best airlines flying from Great Falls to Las Vegas

Compare and see reviews for airlines that fly from Great Falls to Las Vegas with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $72	Free Cancellation	Rating 7.2 693 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $162	Free Cancellation	Rating 7.4 8,975 reviews	Search United Airlines flights
Delta	PriceFrom $244	Free Cancellation	Rating 7.9 7,972 reviews	Search Delta flights

Allegiant Air Flights From Great Falls to Las Vegas
Allegiant Air flight deals from Great Falls to Las Vegas start from $72 round-trip. Over the 2 Allegiant Air flights for this route in a normal week, average airfare is usually $165 round-trip - but some users have found much cheaper deals with momondo.

Laughlin

Mount Charleston

Henderson

Mesquite

Paradise

North Las Vegas

Kingman

Pahrump

Primm

Furnace Creek

Boulder City

Sunrise Manor

Winchester

Needles

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Las Vegas?

Finding the right flight to Las Vegas from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Las Vegas quick and easy, saving you time and money.

Can I find flights from Great Falls to Las Vegas with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Las Vegas from Great Falls with this policy.

How can momondo help me find flights from Great Falls to Las Vegas?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Las Vegas from Great Falls.

I’m not ready to book a flight from Great Falls to Las Vegas right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Las Vegas from Great Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Great Falls to Las Vegas from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Las Vegas departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Allegiant Air flights from Great Falls to Las Vegas

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Our best United Airlines deals on Great Falls to Las Vegas flight tickets

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How to get the cheapest flight ticket from Great Falls to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Great Falls and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of August is, on average, the cheapest month to fly to Las Vegas from Great Falls, with most prices found around $120. The month of June is another great option to travel to Las Vegas, with average flight prices from Great Falls averaging around $132.

What is the cheapest day to depart on your flight to Las Vegas?

What is the cheapest time of day to depart on your flight to Las Vegas?

What is the cheapest Great Falls to Las Vegas Harry Reid Intl flight route?

Fly from Great Falls to Las Vegas Harry Reid Intl for the best Great Falls - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

What cabin class options are available on Great Falls to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Great Falls to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Great Falls to Las Vegas flight prices changed over time?

As of October 2025, prices for Great Falls to Las Vegas flights are approximately 57% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Great Falls to Las Vegas Harry Reid Intl?

Allegiant Air, Delta, and United Airlines are the most popular carriers operating from Great Falls to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

How many flights depart from Great Falls to Las Vegas on average per week?

2 flights are operational weekly from Great Falls to Las Vegas as of October 2025. The most popular departure day for this route is Mon, with 50% of flights per week taking off on this day.

When to book flights from Great Falls to Las Vegas

Cheap Great Falls to Las Vegas (GTF to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Las Vegas

Best Price Found

Fastest flight time

Direct flights

Airports in Las Vegas

How far is Great Falls to Las Vegas Harry Reid Intl by plane?

When did momondo last update prices for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport?

How many operators does momondo search for flights from Great Falls Airport to Las Vegas Harry Reid Intl Airport?

How old do you have to be to fly from Great Falls Airport to Las Vegas Harry Reid Intl Airport?

What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

What is the most popular plane model from Great Falls to Las Vegas?

What is the most popular airline from Great Falls to Las Vegas?

Best airlines flying from Great Falls to Las Vegas

Compare and see reviews for airlines that fly from Great Falls to Las Vegas with momondo

Allegiant Air Flights From Great Falls to Las Vegas

Traveling to a place near Las Vegas?

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Las Vegas?

Can I find flights from Great Falls to Las Vegas with flexible booking policies on momondo?

How can momondo help me find flights from Great Falls to Las Vegas?

I’m not ready to book a flight from Great Falls to Las Vegas right now. Can momondo alert me if prices change?

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Nevada