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$73+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — GTF
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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.
Thu 12/117:05 amLAS - GTF
Nonstop2h 22mAllegiant Air
Mon 12/1510:25 pmGTF - LAS
Nonstop2h 13mAllegiant Air
Deal found 12/3$111
This Mytrip deal was found by Cheapflights users on 12/4. 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.
Mon 12/86:13 pmLAS - GTF
Nonstop2h 22mAllegiant Air
Mon 12/1510:25 pmGTF - LAS
Nonstop2h 13mAllegiant Air
Deal found 12/4$196
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/1111:52 amLAS - GTF
1 stop6h 03mMultiple Airlines
Mon 12/1510:25 pmGTF - LAS
Nonstop2h 13mMultiple Airlines
Deal found 12/3$415
This Delta deal was found by Cheapflights users on 12/3. 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 12/235:30 pmLAS - GTF
1 stop4h 00mDelta
Tue 1/65:30 amGTF - LAS
2 stops8h 20mDelta
Deal found 12/3$421
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/1811:50 amLAS - GTF
1 stop5h 51mMultiple Airlines
Mon 12/2210:25 pmGTF - LAS
Nonstop2h 13mMultiple Airlines
Deal found 12/3$514
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/235:30 amLAS - GTF
1 stop7h 09mUnited Airlines
Tue 1/62:29 pmGTF - LAS
1 stop7h 03mUnited Airlines
Deal found 12/4$532
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/811:52 amLAS - GTF
1 stop6h 03mMultiple Airlines
Mon 12/1510:25 pmGTF - LAS
Nonstop2h 13mMultiple Airlines
Deal found 12/4$535
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/147:05 amLAS - GTF
Nonstop2h 22mMultiple Airlines
Wed 12/177:35 pmGTF - LAS
1 stop5h 13mMultiple Airlines
Deal found 12/3$592

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$243
(Delta)

One-way from

$73
(Kiwi.com)

Popular in

April

Cheapest in

May

Average price

$316
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Great Falls flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Great Falls flights.
Search Deals
From Las Vegas Harry Reid Intl to Great Falls
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Great Falls
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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

Thu 1/29

6:05 am-5:30 pm

2 stops10h 25m

Great Falls

Sun 2/1

1:12 pm-10:35 pm

2 stops10h 23m

$243

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 1/23

5:42 pm-5:19 pm

1 stop22h 37m

Great Falls

Mon 1/26

5:59 pm-11:12 pm

1 stop6h 13m

$250

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 1/9

8:50 am-5:19 pm

2 stops31h 29m

Great Falls

Mon 1/12

5:59 pm-11:12 pm

1 stop6h 13m

$275

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Thu 1/29

11:51 am-5:19 pm

2 stops28h 28m

Great Falls

Sun 2/1

5:59 pm-11:12 pm

1 stop6h 13m

$276

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Tue 12/23

5:30 pm-10:30 pm

1 stop4h 00m

Great Falls

Tue 1/6

5:30 am-12:50 pm

2 stops8h 20m

$421

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Thu 12/18

11:50 am-6:41 pm

1 stop5h 51m

Great Falls

Mon 12/22

10:25 pm-11:38 pm

Nonstop2h 13m

$514

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Tue 12/23

5:30 am-1:39 pm

1 stop7h 09m

Great Falls

Tue 1/6

2:29 pm-8:32 pm

1 stop7h 03m

$532

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Wed 12/10

7:05 am-10:27 am

Nonstop2h 22m

$73

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 12/12

6:13 pm-9:35 pm

Nonstop2h 22m

$129

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Sun 5/24

6:10 am-12:23 pm

1 stop5h 13m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 13 results
1
2

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 December.
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 December 4, 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 December 4, 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
698 reviews

Food

5.9

Overall

7.2

Crew

8.1

Entertainment

5.5

Boarding

7.6

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Sara,Nov 2025

PSC - AZA

We were delayed and then couldn’t get off due to lightening.
Allegiant Air
7.2
Good
698 reviews
Allegiant Air
7.2
Good
698 reviews

Food

5.9

Overall

7.2

Crew

8.1

Entertainment

5.5

Boarding

7.6

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Sara,Nov 2025

PSC - AZA

We were delayed and then couldn’t get off due to lightening.

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 10h 25m. Delta provides one of the quickest options available for as low as $243. Las Vegas and Great Falls are separated by a distance of 810 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 66% 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$122FlexibilityNo cancel feeOn-time88%

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