Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to Las Vegas from $49

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 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
$117Allegiant Air
Mon, Jul 20 - Fri, Aug 7
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
$123Allegiant Air
Mon, Jul 20 - Fri, Jul 24
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
$129Allegiant Air
Mon, Jul 20 - Fri, Jul 24
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
$130Allegiant Air
Mon, Jul 20 - Fri, Jul 24
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
$135Allegiant Air
Mon, Jul 20 - Fri, Jul 24
Allegiant Air Logo
10:24 am - 11:39 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
$136Allegiant Air
Fri, Jul 24 - Mon, Jul 27
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
$142Allegiant Air
Mon, Jul 27 - Mon, Aug 3
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
$148Allegiant Air
Mon, Jul 27 - Mon, Aug 3
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
$149Allegiant Air
Mon, Jul 27 - Mon, Aug 3
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
$155Allegiant Air
Fri, Aug 14 - Mon, Aug 17

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Allegiant Air flights from Great Falls to Las Vegas

Our best Allegiant Air deals on Great Falls to Las Vegas flight tickets
Allegiant Air
Jul 13
GTF10:19 amGreat Falls
2h 15m
LAS11:34 amLas Vegas Harry Reid Intl
Jul 27
LAS6:10 amLas Vegas Harry Reid Intl
2h 19m
GTF9:29 amGreat Falls
$100
Allegiant Air
Jul 20
GTF10:19 amGreat Falls
2h 15m
LAS11:34 amLas Vegas Harry Reid Intl
Aug 7
LAS6:10 amLas Vegas Harry Reid Intl
2h 19m
GTF9:29 amGreat Falls
$117
Allegiant Air
Jul 20
GTF10:19 amGreat Falls
2h 15m
LAS11:34 amLas Vegas Harry Reid Intl
Jul 24
LAS6:15 amLas Vegas Harry Reid Intl
2h 19m
GTF9:34 amGreat Falls
$123

Delta flights from Great Falls to Las Vegas

Our best Delta deals on Great Falls to Las Vegas flight tickets
Delta
Oct 13
GTF6:18 pmGreat Falls
6h 13m
1 stop
LAS11:31 pmLas Vegas Harry Reid Intl
Oct 17
LAS6:00 amLas Vegas Harry Reid Intl
10h 42m
2 stops
GTF5:42 pmGreat Falls
$348
Delta
Oct 13
GTF1:13 pmGreat Falls
8h 34m
2 stops
LAS8:47 pmLas Vegas Harry Reid Intl
Oct 20
LAS12:42 pmLas Vegas Harry Reid Intl
9h 02m
2 stops
GTF10:44 pmGreat Falls
$353
Delta
Jul 20
GTF5:40 amGreat Falls
4h 10m
1 stop
LAS8:50 amLas Vegas Harry Reid Intl
Jul 24
LAS5:00 pmLas Vegas Harry Reid Intl
4h 37m
1 stop
GTF10:37 pmGreat Falls
$356

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 10, 2026.
Use the filters below to find and compare flights from Great Falls to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 8/7

6:10 am-9:29 am

Nonstop2h 19m

$117

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

$123

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

$129

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

$130

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/20

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

$135

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 7/24

10:24 am-11:39 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Mon 7/27

6:10 am-9:29 am

Nonstop2h 19m

$136

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/27

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Mon 8/3

6:10 am-9:29 am

Nonstop2h 19m

$142

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/27

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Mon 8/3

6:10 am-9:29 am

Nonstop2h 19m

$148

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 7/27

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Mon 8/3

6:10 am-9:29 am

Nonstop2h 19m

$149

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 8/14

10:19 am-11:34 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

Mon 8/17

6:10 am-9:29 am

Nonstop2h 19m

$155

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $122. The month of July is another great option to travel to Las Vegas, with average flight prices from Great Falls averaging around $152.

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 $113. Flights from Great Falls to Las Vegas on a Thursday will generally be more expensive and average around $305. 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 afternoon when flights can be purchased for as low as $122. Flights to Las Vegas are more costly in the evening, with an average ticket price of $166. 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 from Great Falls 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 $220 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 $118 on momondo.

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

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

Can stopping save me money on Great Falls to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between Great Falls to Las Vegas.

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

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

$52

Fastest flight time

2h 14m

Direct flights

Tue 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 $52. The best round-trip flight deal from Great Falls to Las Vegas found on momondo in the last 72 hours is $112.
The fastest flight from Great Falls to Las Vegas takes 2h 14m
Direct flights go from Great Falls to Las Vegas on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Las Vegas. From Great Falls there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Great Falls to Las Vegas

  • 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 14m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $78Free CancellationRating
7.3
686 reviews
Search Allegiant Air flights
Alaska AirlinesPriceFrom $120Free CancellationRating
7.9
12,644 reviews
Search Alaska Airlines flights
DeltaPriceFrom $178Free CancellationRating
7.8
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
9,965 reviews
Search United Airlines flights

  • Allegiant Air Flights From Great Falls to Las Vegas

    Allegiant Air flight deals from Great Falls to Las Vegas start from $78 round-trip. Over the 1 Allegiant Air flight for this route in a normal week, average airfare is usually $159 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Paradise
Henderson
North Las Vegas
Kingman
Mesquite
Sunrise Manor
Pahrump
Furnace Creek
Boulder City
Primm
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/9
Sun 8/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States