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$63+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LAS
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Find cheap flights from Great Falls to Las Vegas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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

Cheap 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 October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$84
(Cheapflightsfares)

One-way from

$63
(Kiwi.com)

Popular in

October

Cheapest in

August

Average price

$330

Good round-trip deal

$161 or less

Good one-way deal

$74 or less
Provider with most accurate pricing for Great Falls-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Las Vegas Harry Reid Intl flights.
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From Great Falls to Las Vegas Harry Reid Intl
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One-way flight from Great Falls to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 12% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Great Falls to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Great Falls to Las Vegas Harry Reid Intl.
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Find 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 October 31, 2025.

This Gotogate deal was found by Cheapflights users on 10/30. 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 11/1410:21 pmGTF - LAS
Nonstop2h 15mAllegiant Air
Mon 11/175:09 pmLAS - GTF
Nonstop2h 23mAllegiant Air
Deal found 10/30$98
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:25 pmGTF - LAS
Nonstop2h 13mAllegiant Air
Mon 12/226:13 pmLAS - GTF
Nonstop2h 22mAllegiant Air
Deal found 10/29$106
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:17 amGTF - LAS
Nonstop2h 13mAllegiant Air
Fri 12/196:13 pmLAS - GTF
Nonstop2h 22mAllegiant Air
Deal found 10/31$108
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:25 pmGTF - LAS
Nonstop2h 13mAllegiant Air
Fri 12/266:18 pmLAS - GTF
Nonstop2h 22mAllegiant Air
Deal found 10/31$128
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:33 pmGTF - LAS
Nonstop2h 15mAllegiant Air
Mon 11/106:08 pmLAS - GTF
Nonstop2h 23mAllegiant Air
Deal found 10/30$176
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:17 amGTF - LAS
Nonstop2h 13mAllegiant Air
Fri 12/126:13 pmLAS - GTF
Nonstop2h 22mAllegiant Air
Deal found 10/31$197
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Sun 12/147:35 pmGTF - LAS
1 stop5h 20mMultiple Airlines
Fri 12/196:13 pmLAS - GTF
Nonstop2h 22mMultiple Airlines
Deal found 10/31$208

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 October 31, 2025.
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 1/9

5:18 pm-6:32 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Mon 1/12

1:02 pm-4:28 pm

Nonstop2h 26m

$84

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 2/6

5:18 pm-6:32 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Mon 2/9

1:02 pm-4:28 pm

Nonstop2h 26m

$141

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 2/18

1:10 pm-10:46 pm

2 stops10h 36m

Las Vegas Harry Reid Intl

Thu 2/26

10:59 am-10:53 pm

2 stops10h 54m

$223

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 3/20

10:20 am-11:38 am

Nonstop2h 18m

Las Vegas Harry Reid Intl

Mon 3/23

6:10 am-9:30 am

Nonstop2h 20m

$238

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 2/18

4:00 pm-11:51 pm

1 stop8h 51m

Las Vegas Harry Reid Intl

Thu 2/26

7:50 am-3:20 pm

1 stop6h 30m

$262

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 1/9

5:18 pm-6:32 pm

Nonstop2h 14m

Las Vegas Harry Reid Intl

Mon 1/12

8:13 pm-7:20 pm

2 stops22h 07m

$268

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sun 12/14

8:53 pm-9:01 pm

2 stops25h 08m

Las Vegas Harry Reid Intl

Fri 12/19

6:13 pm-9:35 pm

Nonstop2h 22m

$276

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 12/5

7:35 pm-9:00 pm

1 stop26h 25m

Las Vegas Harry Reid Intl

Tue 12/9

7:00 am-6:55 pm

1 stop10h 55m

$282

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 1/9

8:00 pm-2:41 pm

1 stop19h 41m

Las Vegas Harry Reid Intl

Mon 1/12

3:58 pm-7:20 pm

1 stop26h 22m

$282

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 12/5

7:35 pm-9:00 pm

1 stop26h 25m

Las Vegas Harry Reid Intl

Wed 12/10

7:00 am-6:55 pm

1 stop10h 55m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 19 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Las Vegas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

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 $163). 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 October 31, 2025.

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 59% 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 October 31, 2025.
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
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Allegiant Air
7.2
Good
694 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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, 2 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 $84, Allegiant Air can have you in Las Vegas from Great Falls in 2h 14m. 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 $78, was found to be the cheapest airline from Great Falls to Las Vegas.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 61% lower than the current average price 3 months from now.

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

    Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Great Falls - Las Vegas Harry Reid Intl) can be booked for $84 on average, our data indicates $140 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 $163). 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
Winchester
Kingman
Sunrise Manor
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$166FlexibilityNo cancel feeOn-time88%
DeltaCheapest$244Average$537FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$272Average$431FlexibilityNo cancel feeOn-time69%

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