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$78+ Cheap flights from Great Falls to Las Vegas (GTF - LAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LAS
juil. 6 — juil. 131
dim. 7/6
dim. 7/13
1 adult, Economy
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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 69 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 juillet 1, 2025.

Round-trip from

$78
(Gotogate)

Popular in

December

Cheapest in

August

Average price

$253

Good round-trip deal

$191 or less

Good one-way deal

$51 or less
From Great Falls to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 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 juillet 1, 2025.

This Gotogate deal was found by Cheapflights users on 7/1. 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.
ven. 8/810:14 amGTF - LAS
Nonstop2h 15mAllegiant Air
lun. 8/116:05 amLAS - GTF
Nonstop2h 19mAllegiant Air
Deal found 7/1$78
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/174:29 pmGTF - LAS
1 stop5h 59mHawaiian Airlines
sam. 9/207:45 amLAS - GTF
1 stop7h 04mHawaiian Airlines
Deal found 6/30$264
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/174:29 pmGTF - LAS
1 stop5h 59mAlaska Airlines
sam. 9/207:52 pmLAS - GTF
2 stops18h 57mAlaska Airlines
Deal found 6/30$283
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/82:35 pmGTF - LAS
1 stop4h 59mMultiple Airlines
lun. 8/116:05 amLAS - GTF
Nonstop2h 19mMultiple Airlines
Deal found 7/1$298
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/211:43 amGTF - LAS
2 stops9h 34mDelta
mar. 9/96:00 amLAS - GTF
2 stops10h 26mDelta
Deal found 6/29$313
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/146:25 amGTF - LAS
1 stop6h 58mUnited Airlines
ven. 7/181:29 pmLAS - GTF
1 stop6h 44mUnited Airlines
Deal found 6/29$466

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 juillet 1, 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

ven. 8/8

10:14 am-11:29 am

Nonstop2h 15m

Las Vegas Harry Reid Intl

lun. 8/11

6:05 am-9:24 am

Nonstop2h 19m

$78

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mer. 9/17

4:29 pm-9:28 pm

1 stop5h 59m

Las Vegas Harry Reid Intl

sam. 9/20

7:45 am-3:49 pm

1 stop7h 04m

$264

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mer. 9/17

4:29 pm-9:28 pm

1 stop5h 59m

Las Vegas Harry Reid Intl

sam. 9/20

7:52 pm-3:49 pm

2 stops18h 57m

$283

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

ven. 8/8

2:35 pm-6:34 pm

1 stop4h 59m

Las Vegas Harry Reid Intl

lun. 8/11

6:05 am-9:24 am

Nonstop2h 19m

$298

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mar. 9/2

11:43 am-8:17 pm

2 stops9h 34m

Las Vegas Harry Reid Intl

mar. 9/9

6:00 am-5:26 pm

2 stops10h 26m

$313

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

lun. 7/14

6:25 am-12:23 pm

1 stop6h 58m

Las Vegas Harry Reid Intl

ven. 7/18

1:29 pm-9:13 pm

1 stop6h 44m

$466

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

lun. 7/14

10:14 am-11:29 am

Nonstop2h 15m

$79

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mar. 8/12

5:45 am-2:45 pm

2 stops10h 00m

$177

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

mar. 8/12

2:35 pm-8:47 pm

1 stop7h 12m

$190

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

dim. 7/13

4:55 pm-11:05 am

1 stop19h 10m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 results
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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 June 27, 2025.

Booking 68 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, August is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of $198). Flying from Great Falls to Las Vegas in March is currently the most expensive (average of $269). 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 juillet 1, 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 58% 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 juillet 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.2
Good
710 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 Hawaiian Airlines and Alaska Airlines. These flights start at 65% 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 ($79), Delta ($177), and United Airlines ($190).

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

    Looking at all options, your cheapest flight can be booked for $51. While the most popular route (Great Falls - Las Vegas Harry Reid Intl) can be booked for $116 on average our data indicates $167 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, August is the cheapest month in which you can book a flight from Great Falls to Las Vegas (average of $198). Flying from Great Falls to Las Vegas in March is currently the most expensive (average of $269). 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 Great Falls?

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

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Top 4 airlines flying from Great Falls to Las Vegas

Discover the top 4 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 juillet 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$164FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$243Average$372FlexibilityNo cancel feeOn-time75%
DeltaCheapest$258Average$465FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$427FlexibilityNo cancel feeOn-time69%

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