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$128+ Cheap flights from Las Vegas to Great Falls (LAS - GTF)

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — GTF
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheap flight deals from Las Vegas to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Great Falls (GTF). 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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$260
(Alaska Airlines)

One-way from

$128
(Cheapflightsfares)

Popular in

April

Cheapest in

May

Average price

$342
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Great Falls flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Great Falls flights.
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From Las Vegas Harry Reid Intl to Great Falls
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One-way flight from Las Vegas Harry Reid Intl to Great Falls
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Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Las Vegas to Great Falls

Cheapest flights from Las Vegas to Great Falls
Explore the most affordable flight options available from Las Vegas to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 12/234:23 pmLAS - GTF
1 stop5h 23mUnited Airlines
Tue 1/62:29 pmGTF - LAS
1 stop7h 03mUnited Airlines
Deal found 11/20$476
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/239:31 pmLAS - GTF
2 stops20h 10mAlaska Airlines
Tue 1/67:21 pmGTF - LAS
1 stop5h 27mAlaska Airlines
Deal found 11/19$541
This Delta deal was found by Cheapflights users on 11/20. 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 12/236:15 amLAS - GTF
1 stop5h 16mDelta
Tue 1/61:15 pmGTF - LAS
2 stops8h 34mDelta
Deal found 11/20$568

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Great Falls 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 November 21, 2025.
Use the filters below to find and compare flights from Las Vegas to Great Falls that are best for you.

Fly from

Las Vegas

Fly to

Great Falls

Route

Depart

Return

Price

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 1/9

6:00 pm-5:19 pm

2 stops22h 19m

Great Falls

Mon 1/12

5:59 pm-11:12 pm

1 stop6h 13m

$285

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Tue 12/23

4:23 pm-10:46 pm

1 stop5h 23m

Great Falls

Tue 1/6

2:29 pm-8:32 pm

1 stop7h 03m

$476

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Tue 12/23

1:45 pm-6:41 pm

1 stop27h 56m

Great Falls

Tue 1/6

7:21 pm-11:48 pm

1 stop5h 27m

$476

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Tue 12/23

6:15 am-12:31 pm

1 stop5h 16m

Great Falls

Tue 1/6

1:15 pm-8:49 pm

2 stops8h 34m

$568

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 12/12

6:13 pm-9:35 pm

Nonstop2h 22m

$128

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 12/12

8:30 pm-6:55 pm

1 stop21h 25m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Compare providers for flights from Las Vegas to Great Falls

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 Las Vegas to Great Falls in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Las Vegas-Great Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Las Vegas-Great Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Las Vegas-Great Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Great Falls 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 Las Vegas-Great Falls 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 Las Vegas to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from Las Vegas 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 Las Vegas to Great Falls

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

Find hourly flight availability from Las Vegas to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

One of the essential ways to save on airfare from Las Vegas to Great Falls is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 68% on airfare.

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. 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 Great Falls. Reviews last updated November 21, 2025.
Peruse reviews from past customers who have flown with Allegiant Air from Las Vegas to Great Falls 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.
Allegiant Air
7.2
Good
700 reviews

Food

5.9

Boarding

7.6

Overall

7.2

Crew

8.1

Comfort

6.8

Entertainment

5.5

Reviews

1 / 20
10.0
Excellent

Marcia,Nov 2025

FLL - SAV

I like the affordability of the flight. Seating on this flight was more spacious than many other flights I’ve been on and aisle was easily walkable (no bags in other passengers faces).
Allegiant Air
7.2
Good
700 reviews
Allegiant Air
7.2
Good
700 reviews

Food

5.9

Boarding

7.6

Overall

7.2

Crew

8.1

Comfort

6.8

Entertainment

5.5

Reviews

1 / 20
10.0
Excellent

Marcia,Nov 2025

FLL - SAV

I like the affordability of the flight. Seating on this flight was more spacious than many other flights I’ve been on and aisle was easily walkable (no bags in other passengers faces).

Related info for your journey

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

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

    A quick flight from Las Vegas to Great Falls can take about 22h 19m. Alaska Airlines provides one of the quickest options available for as low as $285. Las Vegas and Great Falls are separated by a distance of 810 mi.

  • What is the cheapest airline to fly from Las Vegas to Great Falls round-trip?

    Currently priced at $79, Allegiant Air will fly you from Las Vegas to Great Falls and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. This flight start at 67% lower than the current average price 3 months from now.

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

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

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

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

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

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

See more FAQs

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Top airline flying from Las Vegas to Great Falls

Discover the top airline that operate flights from Las Vegas to Great Falls. 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$122FlexibilityNo cancel feeOn-time88%

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