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$83+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — GTF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$107
(Gotogate)

One-way from

$83
(Gotogate)

Popular in

April

Cheapest in

May

Average price

$144
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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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 10% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Gotogate deal was found by Cheapflights users on 8/16. 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.
Fri 8/227:10 amLAS - GTF
Nonstop2h 21mAllegiant Air
Mon 8/2512:11 pmGTF - LAS
Nonstop2h 14mAllegiant Air
Deal found 8/16$107
This Flightnetwork deal was found by Cheapflights users on 8/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:00 amLAS - GTF
Nonstop2h 21mAllegiant Air
Mon 9/84:55 pmGTF - LAS
Nonstop2h 16mAllegiant Air
Deal found 8/17$117
This Booking.com deal was found by Cheapflights users on 8/17. 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.
Mon 8/258:00 amLAS - GTF
Nonstop2h 21mAllegiant Air
Fri 8/296:07 pmGTF - LAS
Nonstop2h 14mAllegiant Air
Deal found 8/17$149
This Gotogate deal was found by Cheapflights users on 8/18. 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 8/291:56 pmLAS - GTF
Nonstop2h 21mAllegiant Air
Mon 9/16:07 pmGTF - LAS
Nonstop2h 14mAllegiant Air
Deal found 8/18$156
This Booking.com deal was found by Cheapflights users on 8/18. 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 10/136:14 pmLAS - GTF
Nonstop2h 18mAllegiant Air
Mon 10/2010:22 pmGTF - LAS
Nonstop2h 12mAllegiant Air
Deal found 8/18$165
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 10/136:14 pmLAS - GTF
Nonstop2h 18mAllegiant Air
Fri 10/1710:27 pmGTF - LAS
Nonstop2h 11mAllegiant Air
Deal found 8/18$172
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/812:44 pmLAS - GTF
Nonstop2h 21mMultiple Airlines
Sun 9/144:29 pmGTF - LAS
1 stop5h 59mMultiple Airlines
Deal found 8/18$332
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/1310:20 pmLAS - GTF
2 stops18h 15mMultiple Airlines
Mon 10/2010:22 pmGTF - LAS
Nonstop2h 12mMultiple Airlines
Deal found 8/18$347
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:39 pmLAS - GTF
1 stop6h 49mMultiple Airlines
Mon 9/84:55 pmGTF - LAS
Nonstop2h 16mMultiple Airlines
Deal found 8/17$349
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/1310:20 pmLAS - GTF
2 stops18h 15mMultiple Airlines
Fri 10/1710:27 pmGTF - LAS
Nonstop2h 11mMultiple Airlines
Deal found 8/18$353
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 12/36:00 amLAS - GTF
2 stops10h 42mDelta
Wed 12/176:20 pmGTF - LAS
1 stop5h 38mDelta
Deal found 8/17$370

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 August 18, 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 8/29

1:56 pm-5:17 pm

Nonstop2h 21m

Great Falls

Mon 9/1

6:07 pm-7:21 pm

Nonstop2h 14m

$156

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 10/13

6:14 pm-9:32 pm

Nonstop2h 18m

Great Falls

Mon 10/20

10:22 pm-11:34 pm

Nonstop2h 12m

$165

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 10/13

6:14 pm-9:32 pm

Nonstop2h 18m

Great Falls

Fri 10/17

10:27 pm-11:38 pm

Nonstop2h 11m

$172

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 9/8

12:44 pm-4:05 pm

Nonstop2h 21m

Great Falls

Sun 9/14

4:29 pm-9:28 pm

1 stop5h 59m

$332

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 10/13

10:20 pm-5:35 pm

2 stops18h 15m

Great Falls

Mon 10/20

10:22 pm-11:34 pm

Nonstop2h 12m

$347

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 10/13

10:20 pm-5:35 pm

2 stops18h 15m

Great Falls

Fri 10/17

10:27 pm-11:38 pm

Nonstop2h 11m

$353

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Wed 12/3

6:00 am-5:42 pm

2 stops10h 42m

Great Falls

Wed 12/17

6:20 pm-10:58 pm

1 stop5h 38m

$370

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Wed 12/3

1:01 pm-9:15 pm

1 stop7h 14m

Great Falls

Wed 12/17

2:35 pm-7:00 pm

1 stop5h 25m

$375

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Sun 9/7

3:17 pm-9:28 pm

1 stop5h 11m

Great Falls

Tue 9/9

2:35 pm-8:37 pm

1 stop7h 02m

$392

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 10/13

10:20 pm-5:35 pm

2 stops18h 15m

Great Falls

Mon 10/20

6:15 pm-11:29 pm

1 stop6h 14m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 20 results
1
2

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 month to book a flight from Las Vegas to Great Falls?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Great Falls (average of $367). Flying from Las Vegas to Great Falls in July is currently the most expensive (average of $574). 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 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 August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Great Falls as you normally would.

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 August 18, 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
701 reviews

Entertainment

5.5

Comfort

6.8

Boarding

7.6

Food

5.9

Crew

8.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.
Allegiant Air
7.2
Good
701 reviews
Allegiant Air
7.2
Good
701 reviews

Entertainment

5.5

Comfort

6.8

Boarding

7.6

Food

5.9

Crew

8.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

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 2h 21m. Allegiant Air provides one of the quickest options available for as low as $156. Las Vegas and Great Falls are separated by a distance of 810 mi. Generally, flights for this route are nonstop.

  • 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 69% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to Great Falls one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $83. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Las Vegas to Great Falls for a low price.

  • 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.

  • What is the cheapest month to book a flight from Las Vegas to Great Falls?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Great Falls (average of $367). Flying from Las Vegas to Great Falls in July is currently the most expensive (average of $574). 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?

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$124FlexibilityNo cancel feeOn-time88%

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