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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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — LAS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 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 September 17, 2025.

Round-trip from

$92
(Gotogate)

One-way from

$87
(Trip.com)

Popular in

October

Cheapest in

August

Average price

$178

Good round-trip deal

$133 or less

Good one-way deal

$68 or less
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. 19% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Gotogate deal was found by Cheapflights users on 9/16. 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.
Mon 10/610:22 pmGTF - LAS
Nonstop2h 12mAllegiant Air
Fri 10/106:20 pmLAS - GTF
Nonstop2h 17mAllegiant Air
Deal found 9/16$92
This Booking.com deal was found by Cheapflights users on 9/16. 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 10/1310:22 pmGTF - LAS
Nonstop2h 12mAllegiant Air
Fri 10/176:20 pmLAS - GTF
Nonstop2h 17mAllegiant Air
Deal found 9/16$124
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 9/2610:21 pmGTF - LAS
Nonstop2h 16mAllegiant Air
Mon 9/2912:44 pmLAS - GTF
Nonstop2h 21mAllegiant Air
Deal found 9/15$126
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/136:15 pmGTF - LAS
1 stop6h 14mMultiple Airlines
Fri 10/176:20 pmLAS - GTF
Nonstop2h 17mMultiple Airlines
Deal found 9/16$195
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/25:04 pmGTF - LAS
1 stop15h 12mMultiple Airlines
Thu 11/67:00 amLAS - GTF
1 stop8h 45mMultiple Airlines
Deal found 9/16$224
This Delta deal was found by Cheapflights users on 9/17. 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.
Mon 11/101:12 pmGTF - LAS
2 stops10h 25mDelta
Sat 11/156:00 amLAS - GTF
2 stops10h 30mDelta
Deal found 9/17$225
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/66:15 pmGTF - LAS
1 stop6h 14mMultiple Airlines
Fri 10/106:20 pmLAS - GTF
Nonstop2h 17mMultiple Airlines
Deal found 9/15$234
This Booking.com deal was found by Cheapflights users on 9/17. 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 9/1910:21 pmGTF - LAS
Nonstop2h 16mAllegiant Air
Mon 9/2212:44 pmLAS - GTF
Nonstop2h 21mAllegiant Air
Deal found 9/17$236

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 September 17, 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

Mon 10/6

10:22 pm-11:34 pm

Nonstop2h 12m

Las Vegas Harry Reid Intl

Fri 10/10

6:20 pm-9:37 pm

Nonstop2h 17m

$92

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 11/10

1:12 pm-10:37 pm

2 stops10h 25m

Las Vegas Harry Reid Intl

Sat 11/15

6:00 am-5:30 pm

2 stops10h 30m

$225

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sun 11/2

5:04 pm-11:50 pm

2 stops31h 46m

Las Vegas Harry Reid Intl

Thu 11/6

7:00 am-4:45 pm

1 stop8h 45m

$267

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Wed 10/15

6:15 pm-10:26 pm

1 stop5h 11m

Las Vegas Harry Reid Intl

Thu 11/20

10:08 am-6:10 pm

1 stop7h 02m

$272

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 12/5

6:10 pm-11:33 pm

1 stop6h 23m

Las Vegas Harry Reid Intl

Tue 12/9

6:00 am-12:31 pm

1 stop5h 31m

$272

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Fri 10/24

6:09 pm-11:30 pm

1 stop6h 21m

Las Vegas Harry Reid Intl

Tue 10/28

6:20 am-12:28 pm

1 stop5h 08m

$272

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 3/20

6:10 am-9:30 am

Nonstop2h 20m

$281

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 10/6

2:31 pm-8:27 pm

1 stop6h 56m

Las Vegas Harry Reid Intl

Fri 10/10

3:27 pm-9:11 pm

1 stop4h 44m

$291

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Sat 11/15

1:12 pm-8:39 pm

2 stops8h 27m

Las Vegas Harry Reid Intl

Sun 11/16

6:00 am-12:32 pm

1 stop5h 32m

$316

Great FallsLas Vegas

GTF - LAS

GTFLAS

Great Falls

Mon 10/13

6:09 pm-11:30 pm

1 stop6h 21m

Las Vegas Harry Reid Intl

Fri 10/17

10:52 am-11:06 pm

2 stops11h 14m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 17 results
1
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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 September 12, 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, 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 September 17, 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 31% 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 September 17, 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
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
699 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, 1 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 $92, Allegiant Air can have you in Las Vegas from Great Falls in 2h 12m. 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 United Airlines and Delta. These flights start at 63% 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 ($87), Alaska Airlines ($175), and Hawaiian Airlines ($199).

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

    Looking at all options, your cheapest flight can be booked for $54. While the most popular route (Great Falls - Las Vegas Harry Reid Intl) can be booked for $92 on average, our data indicates $120 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Sunrise Manor
Winchester
Kingman
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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$167FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$162Average$443FlexibilityNo cancel feeOn-time69%
DeltaCheapest$366Average$542FlexibilityNo cancel feeOn-timeN/A

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