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$87+ Cheap flights from Great Falls to Las Vegas (GTF - LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Great Falls to Las Vegas Harry Reid Intl are usually found in August or July, booked 17 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Great Falls to Las Vegas

Cheapest flights from Great Falls to Las Vegas
Explore the most affordable flight options available from Great Falls to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:18 pm
GTF
-
LAS
Nonstop2h 14m
Allegiant Air
Fri 2/136:35 am
LAS
-
GTF
Nonstop2h 17m
Allegiant Air
Deal found 1/27$106
This Booking.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:42 am
GTF
-
LAS
Nonstop2h 15m
Allegiant Air
Fri 5/17:30 am
LAS
-
GTF
Nonstop2h 22m
Allegiant Air
Deal found 1/28$156
This Booking.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:20 am
GTF
-
LAS
Nonstop2h 18m
Allegiant Air
Fri 3/276:10 am
LAS
-
GTF
Nonstop2h 20m
Allegiant Air
Deal found 1/28$163
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:28 pm
GTF
-
LAS
1 stop6h 27m
Multiple Airlines
Fri 3/206:10 am
LAS
-
GTF
Nonstop2h 20m
Multiple Airlines
Deal found 1/26$176
This Booking.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:20 am
GTF
-
LAS
Nonstop2h 18m
Allegiant Air
Mon 3/166:10 am
LAS
-
GTF
Nonstop2h 20m
Allegiant Air
Deal found 1/28$197
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:20 am
GTF
-
LAS
Nonstop2h 18m
Multiple Airlines
Fri 3/277:00 am
LAS
-
GTF
1 stop8h 26m
Multiple Airlines
Deal found 1/28$219
This Expedia deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:57 pm
GTF
-
LAS
1 stop7h 58m
Alaska Airlines
Tue 3/37:00 am
LAS
-
GTF
1 stop8h 17m
Alaska Airlines
Deal found 1/27$225
This Gotogate deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:24 am
GTF
-
LAS
Nonstop2h 15m
Allegiant Air
Mon 7/136:10 am
LAS
-
GTF
Nonstop2h 19m
Allegiant Air
Deal found 1/28$228
This Expedia deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:28 pm
GTF
-
LAS
1 stop6h 27m
Alaska Airlines
Fri 3/207:00 am
LAS
-
GTF
1 stop8h 26m
Alaska Airlines
Deal found 1/26$230
This Alaska Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:28 pm
GTF
-
LAS
1 stop5h 28m
Alaska Airlines
Wed 3/410:02 am
LAS
-
GTF
1 stop6h 46m
Alaska Airlines
Deal found 1/26$244
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:59 pm
GTF
-
LAS
1 stop6h 13m
Multiple Airlines
Fri 2/136:35 am
LAS
-
GTF
Nonstop2h 17m
Multiple Airlines
Deal found 1/27$250
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:15 pm
GTF
-
LAS
2 stops9h 45m
Delta
Tue 3/311:05 am
LAS
-
GTF
2 stops10h 24m
Delta
Deal found 1/27$253

Find flight deals from Great Falls to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$106
(Booking.com)

One-way from

$87
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$189

Good round-trip deal

$106 or less
Provider with most accurate pricing for Great Falls-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Las Vegas Harry Reid Intl flights.
Search Deals
From Great Falls to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Great Falls to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Great Falls to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Great Falls to Las Vegas that are best for you.

Fly from

Great Falls

Fly to

Las Vegas

Route

Depart

Return

Price

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 3/13

10:20 am-11:38 am

Nonstop2h 18m

Las Vegas Harry Reid Intl

Fri 3/27

7:00 am-4:26 pm

1 stop8h 26m

$219

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Tue 2/24

4:57 pm-11:55 pm

1 stop7h 58m

Las Vegas Harry Reid Intl

Tue 3/3

7:00 am-4:17 pm

1 stop8h 17m

$225

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 2/25

6:28 pm-10:56 pm

1 stop5h 28m

Las Vegas Harry Reid Intl

Wed 3/4

10:02 am-5:48 pm

1 stop6h 46m

$244

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Tue 2/24

1:15 pm-10:00 pm

2 stops9h 45m

Las Vegas Harry Reid Intl

Tue 3/3

11:05 am-10:29 pm

2 stops10h 24m

$253

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 3/11

2:30 pm-9:01 pm

1 stop7h 31m

Las Vegas Harry Reid Intl

Sat 3/14

5:30 am-1:33 pm

1 stop7h 03m

$258

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sun 3/8

2:30 pm-9:01 pm

1 stop7h 31m

Las Vegas Harry Reid Intl

Sat 3/14

5:30 am-1:33 pm

1 stop7h 03m

$258

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 2/27

10:41 am-12:03 pm

Nonstop2h 22m

Las Vegas Harry Reid Intl

Fri 3/6

6:35 am-9:55 am

Nonstop2h 20m

$261

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sat 3/14

6:28 pm-6:18 pm

2 stops24h 50m

Las Vegas Harry Reid Intl

Fri 3/20

7:00 am-4:26 pm

1 stop8h 26m

$269

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 4/27

6:15 pm-11:59 pm

1 stop6h 44m

Las Vegas Harry Reid Intl

Fri 5/1

9:40 am-5:35 pm

1 stop6h 55m

$281

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Tue 5/5

1:09 pm-10:41 pm

2 stops10h 32m

Las Vegas Harry Reid Intl

Sat 5/9

6:00 am-5:39 pm

2 stops10h 39m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 results
1
2

Compare providers for flights from Great Falls to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Las Vegas in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Great Falls to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Las Vegas

How far ahead should I book a flight from Great Falls to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Great Falls to Las Vegas. Price data was last updated on January 23, 2026.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Great Falls to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Great Falls to Las Vegas?

Currently, September is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of $43). Flying from Great Falls to Las Vegas in December is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GTF to LAS?

Find hourly flight availability from Great Falls to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

One of the essential ways to save on airfare from Great Falls to Las Vegas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 47% on airfare.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Allegiant Air from Great Falls to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
706 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Great Falls to Las Vegas flight route?

    Within the past month, 4 users have taken a look at flights from Great Falls to Las Vegas Harry Reid Intl.

  • How long is the flight from Great Falls to Las Vegas?

    For as low as $258, Alaska Airlines can have you in Las Vegas from Great Falls in 7h 31m. The distance from Great Falls to Las Vegas is about 810 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Great Falls to Las Vegas round-trip?

    Allegiant Air, at $69, was found to be the cheapest airline from Great Falls to Las Vegas.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 66% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Great Falls to Las Vegas one-way?

    The cheapest airlines for a one-way flight from Great Falls to Las Vegas are Allegiant Air ($48), United Airlines ($127), and Delta ($193).

  • What are the cheapest flights from Great Falls to Las Vegas?

    Looking at all options, your cheapest flight can be booked for $82. While the most popular route (Great Falls - Las Vegas Harry Reid Intl) can be booked for $106 on average, our data indicates $174 when flying from Great Falls to Las Vegas.

  • Can I find deals for flights from Great Falls to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Great Falls to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Las Vegas.

  • Can I find deals for business class flights from Great Falls to Las Vegas?

    Yes. Cheapflights offers flight deals from Great Falls to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Great Falls to Las Vegas?

    Currently, September is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of $43). Flying from Great Falls to Las Vegas in December is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Boulder City
Needles
Sunrise Manor

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Top 3 airlines flying from Great Falls to Las Vegas

Discover the top 3 airlines that operate flights from Great Falls to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$69Average$164FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$162Average$336FlexibilityNo cancel feeOn-time69%
DeltaCheapest$203Average$542FlexibilityNo cancel feeOn-timeN/A

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