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 47% 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.

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

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

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 4 as of August 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.

$58 Cheap Flights from Great Falls to Las Vegas in 2025

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Find the cheapest flights from Great Falls to Las Vegas

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:22 pm - 11:34 pmGTF-LAS

2h 12mnonstop

6:20 pm - 9:37 pmLAS-GTF

2h 17mnonstop

$78Allegiant Air

Find Deal

lun., oct. 6 - vie., oct. 10

10:21 pm - 11:37 pmGTF-LAS

2h 16mnonstop

12:44 pm - 4:05 pmLAS-GTF

2h 21mnonstop

$105Allegiant Air

Find Deal

vie., sep. 12 - lun., sep. 15

6:15 pm - 11:29 pmGTF-LAS

6h 14m1 stop

6:20 pm - 9:37 pmLAS-GTF

2h 17mnonstop

$216

Find Deal

lun., oct. 13 - vie., oct. 17

1:05 pm - 9:49 pmGTF-LAS

33h 44m2 stops

6:20 pm - 9:37 pmLAS-GTF

2h 17mnonstop

$243

Find Deal

dom., oct. 19 - vie., oct. 24

2:35 pm - 8:37 pmGTF-LAS

7h 02m1 stop

3:27 pm - 9:11 pmLAS-GTF

4h 44m1 stop

$270United Airlines

Find Deal

mié., sep. 24 - vie., sep. 26

6:11 pm - 9:50 amGTF-LAS

16h 39m2 stops

6:00 am - 5:27 pmLAS-GTF

10h 27m2 stops

$313Delta

Find Deal

mar., sep. 23 - mar., sep. 30

6:15 pm - 11:29 pmGTF-LAS

6h 14m1 stop

7:00 am - 5:35 pmLAS-GTF

9h 35m1 stop

$340Alaska Airlines

Find Deal

lun., oct. 13 - vie., oct. 17

1:08 pm - 10:30 pmGTF-LAS

10h 22m2 stops

6:00 am - 5:29 pmLAS-GTF

10h 29m2 stops

$353Delta

Find Deal

mar., oct. 21 - mié., oct. 22

4:29 pm - 9:28 pmGTF-LAS

5h 59m1 stop

6:10 am - 3:49 pmLAS-GTF

8h 39m2 stops

$364Alaska Airlines

Find Deal

mar., sep. 23 - mar., sep. 30

2:30 pm - 8:45 pmGTF-LAS

7h 15m1 stop

5:20 am - 1:33 pmLAS-GTF

7h 13m1 stop

$377United Airlines

Find Deal

lun., nov. 3 - dom., nov. 9

Delta flights from Great Falls to Las Vegas

Our best Delta deals on Great Falls to Las Vegas flight tickets

Delta

Sep 23

GTF6:11 pmGreat Falls

16h 39m

2 stops

LAS9:50 amLas Vegas Harry Reid Intl

Sep 30

LAS6:00 amLas Vegas Harry Reid Intl

10h 27m

2 stops

GTF5:27 pmGreat Falls

$313

Find similar

Delta

Oct 21

GTF1:08 pmGreat Falls

10h 22m

2 stops

LAS10:30 pmLas Vegas Harry Reid Intl

Oct 22

LAS6:00 amLas Vegas Harry Reid Intl

10h 29m

2 stops

GTF5:29 pmGreat Falls

$353

Find similar

Delta

Sep 23

GTF5:40 amGreat Falls

8h 10m

2 stops

LAS12:50 pmLas Vegas Harry Reid Intl

Sep 25

LAS6:00 amLas Vegas Harry Reid Intl

10h 27m

2 stops

GTF5:27 pmGreat Falls

$373

Find similar

Allegiant Air flights from Great Falls to Las Vegas

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

Allegiant Air

Oct 6

GTF10:22 pmGreat Falls

2h 12m

LAS11:34 pmLas Vegas Harry Reid Intl

Oct 10

LAS6:20 pmLas Vegas Harry Reid Intl

2h 17m

GTF9:37 pmGreat Falls

$78

Find similar

Allegiant Air

Sep 12

GTF10:21 pmGreat Falls

2h 16m

LAS11:37 pmLas Vegas Harry Reid Intl

Sep 15

LAS12:44 pmLas Vegas Harry Reid Intl

2h 21m

GTF4:05 pmGreat Falls

$105

Find similar

Allegiant Air

Sep 12

GTF10:21 pmGreat Falls

2h 16m

LAS11:37 pmLas Vegas Harry Reid Intl

Sep 15

LAS12:44 pmLas Vegas Harry Reid Intl

2h 21m

GTF4:05 pmGreat Falls

$106

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

lun. 10/6

10:22 pm-11:34 pm

Nonstop2h 12m

Las Vegas Harry Reid Intl

vie. 10/10

6:20 pm-9:37 pm

Nonstop2h 17m

$78

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

vie. 9/12

10:21 pm-11:37 pm

Nonstop2h 16m

Las Vegas Harry Reid Intl

lun. 9/15

12:44 pm-4:05 pm

Nonstop2h 21m

$105

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

lun. 10/13

6:15 pm-11:29 pm

1 stop6h 14m

Las Vegas Harry Reid Intl

vie. 10/17

6:20 pm-9:37 pm

Nonstop2h 17m

$216

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

dom. 10/19

1:05 pm-9:49 pm

2 stops33h 44m

Las Vegas Harry Reid Intl

vie. 10/24

6:20 pm-9:37 pm

Nonstop2h 17m

$243

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mié. 9/24

2:35 pm-8:37 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

vie. 9/26

3:27 pm-9:11 pm

1 stop4h 44m

$270

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mar. 9/23

6:11 pm-9:50 am

2 stops16h 39m

Las Vegas Harry Reid Intl

mar. 9/30

6:00 am-5:27 pm

2 stops10h 27m

$313

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

lun. 10/13

6:15 pm-11:29 pm

1 stop6h 14m

Las Vegas Harry Reid Intl

vie. 10/17

7:00 am-5:35 pm

1 stop9h 35m

$340

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mar. 10/21

1:08 pm-10:30 pm

2 stops10h 22m

Las Vegas Harry Reid Intl

mié. 10/22

6:00 am-5:29 pm

2 stops10h 29m

$353

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mar. 9/23

4:29 pm-9:28 pm

1 stop5h 59m

Las Vegas Harry Reid Intl

mar. 9/30

6:10 am-3:49 pm

2 stops8h 39m

$364

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

lun. 11/3

2:30 pm-8:45 pm

1 stop7h 15m

Las Vegas Harry Reid Intl

dom. 11/9

5:20 am-1:33 pm

1 stop7h 13m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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 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 $119. 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 $402. 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 $124. Flights to Las Vegas are more costly in the evening, with an average ticket price of $188. Departure times in the evening 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 $217 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 $133 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 August 2025, prices for Great Falls to Las Vegas flights are approximately 25% 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	$57
Fastest flight time	2h 11m
Direct flights	Tue, Thu, Fri and Sat
Airports in Las Vegas	1 airport

The best one-way flight to Las Vegas from Great Falls in the past 72 hours is $57. The best round-trip flight deal from Great Falls to Las Vegas found on momondo in the last 72 hours is $94.

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 4 as of August 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 86.27% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 7.84% and Boeing 737-800 Passenger/BBJ2 (winglets) at 5.88%.
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 71% of all bookings. The subsequent popular airlines are Delta at 15%, United Airlines at 8%, and Alaska Airlines at 6%.

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 $78	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $162	Free Cancellation	Rating 7.4 8,944 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $243	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $333	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights

Laughlin

Mount Charleston

Henderson

Mesquite

North Las Vegas

Paradise

Kingman

Pahrump

Primm

Furnace Creek

Boulder City

Winchester

Sunrise Manor

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.

An easier way to manage your Las Vegas trip

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Cheap flights from Great Falls to Las Vegas from $64

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 12/12. 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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Big names and deals

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Filter for what you want

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Delta flights from Great Falls to Las Vegas

Our best Delta deals on Great Falls to Las Vegas flight tickets

Allegiant Air flights from Great Falls to Las Vegas

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

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Use the filters below to find and compare flights from Great Falls to Las Vegas that are best for you.

See travel insights to Las Vegas from

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 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 $119. 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 August 2025, prices for Great Falls to Las Vegas flights are approximately 25% 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, Alaska Airlines, and United Airlines are the most popular carriers operating from Great Falls to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

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

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