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Cheap flights from Las Vegas to Great Falls from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Great Falls departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Las Vegas to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$89Allegiant Air
Fri, Jul 24 - Mon, Jul 27
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$95Allegiant Air
Fri, Jul 24 - Mon, Jul 27
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:24 am - 11:39 am
GTF
-
LAS
2h 15mnonstop
$100Allegiant Air
Fri, Jul 3 - Fri, Jul 10
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$106Allegiant Air
Fri, Jul 24 - Mon, Jul 27
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$109Allegiant Air
Fri, Jul 31 - Mon, Aug 10
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$115Allegiant Air
Fri, Aug 14 - Mon, Aug 17
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:24 am - 11:39 am
GTF
-
LAS
2h 15mnonstop
$117Allegiant Air
Fri, Jul 3 - Fri, Jul 10
Allegiant Air Logo
6:10 am - 9:29 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$132Allegiant Air
Mon, Jul 27 - Mon, Aug 10
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:19 am - 11:34 am
GTF
-
LAS
2h 15mnonstop
$139Allegiant Air
Fri, Jul 31 - Fri, Aug 14
Allegiant Air Logo
6:15 am - 9:34 am
LAS
-
GTF
2h 19mnonstop
Allegiant Air Logo
10:24 am - 11:39 am
GTF
-
LAS
2h 15mnonstop
$148Allegiant Air
Fri, Jul 10 - Fri, Jul 17

United Airlines flights from Las Vegas to Great Falls

Our best United Airlines deals on Las Vegas to Great Falls flight tickets
United Airlines
Aug 13
LAS3:06 pmLas Vegas Harry Reid Intl
5h 06m
1 stop
GTF9:12 pmGreat Falls
Aug 20
GTF6:15 amGreat Falls
5h 34m
1 stop
LAS10:49 amLas Vegas Harry Reid Intl
$338
United Airlines
Jun 13
LAS5:45 amLas Vegas Harry Reid Intl
6h 56m
1 stop
GTF1:41 pmGreat Falls
Jun 14
GTF2:37 pmGreat Falls
4h 46m
1 stop
LAS6:23 pmLas Vegas Harry Reid Intl
$379
United Airlines
Jun 4
LAS10:45 amLas Vegas Harry Reid Intl
9h 49m
2 stops
GTF9:34 pmGreat Falls
Jun 8
GTF2:37 pmGreat Falls
11h 09m
2 stops
LAS12:46 amLas Vegas Harry Reid Intl
$1,349

Alaska Airlines flights from Las Vegas to Great Falls

Our best Alaska Airlines deals on Las Vegas to Great Falls flight tickets
Alaska Airlines
Aug 28
LAS6:02 amLas Vegas Harry Reid Intl
9h 36m
1 stop
GTF4:38 pmGreat Falls
Aug 31
GTF5:18 pmGreat Falls
6h 59m
1 stop
LAS11:17 pmLas Vegas Harry Reid Intl
$328
Alaska Airlines
Aug 11
LAS3:12 pmLas Vegas Harry Reid Intl
24h 17m
1 stop
GTF4:29 pmGreat Falls
Aug 19
GTF5:18 pmGreat Falls
6h 59m
1 stop
LAS11:17 pmLas Vegas Harry Reid Intl
$401
Alaska Airlines
Jun 4
LAS7:00 amLas Vegas Harry Reid Intl
10h 12m
1 stop
GTF6:12 pmGreat Falls
Jun 8
GTF6:52 pmGreat Falls
17h 17m
1 stop
LAS11:09 amLas Vegas Harry Reid Intl
$408

momondo 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, momondo users made 832,500 searches. Data last updated May 29, 2026.
Use the filters below to find and compare flights from Las Vegas to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

Great Falls

Mon 7/27

10:19 am-11:34 am

Nonstop2h 15m

$89

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

Great Falls

Mon 7/27

10:19 am-11:34 am

Nonstop2h 15m

$95

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/3

6:10 am-9:29 am

Nonstop2h 19m

Great Falls

Fri 7/10

10:24 am-11:39 am

Nonstop2h 15m

$100

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/24

6:15 am-9:34 am

Nonstop2h 19m

Great Falls

Mon 7/27

10:19 am-11:34 am

Nonstop2h 15m

$106

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/31

6:15 am-9:34 am

Nonstop2h 19m

Great Falls

Mon 8/10

10:19 am-11:34 am

Nonstop2h 15m

$109

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 8/14

6:10 am-9:29 am

Nonstop2h 19m

Great Falls

Mon 8/17

10:19 am-11:34 am

Nonstop2h 15m

$115

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/3

6:10 am-9:29 am

Nonstop2h 19m

Great Falls

Fri 7/10

10:24 am-11:39 am

Nonstop2h 15m

$117

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Mon 7/27

6:10 am-9:29 am

Nonstop2h 19m

Great Falls

Mon 8/10

10:19 am-11:34 am

Nonstop2h 15m

$132

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/31

6:15 am-9:34 am

Nonstop2h 19m

Great Falls

Fri 8/14

10:19 am-11:34 am

Nonstop2h 15m

$139

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 7/10

6:15 am-9:34 am

Nonstop2h 19m

Great Falls

Fri 7/17

10:24 am-11:39 am

Nonstop2h 15m

$148

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Las Vegas to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Las Vegas and Great Falls?

What is the cheapest month to fly to Great Falls?

The month of January is another great option to travel to Great Falls, with average flight prices from Las Vegas averaging around $0.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the morning. momondo users have found flights departing from Las Vegas to Great Falls in the morning for as low as $162. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $179 on average. Flights to Great Falls from Las Vegas in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Las Vegas Harry Reid Intl to Great Falls flight route?

Fly from Las Vegas Harry Reid Intl to Great Falls for the best Las Vegas Harry Reid Intl - Great Falls flight prices

What cabin class options are available on Las Vegas to Great Falls flights?

There is only 1 cabin class available to choose from on Las Vegas to Great Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Great Falls flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Great Falls.

How have Las Vegas to Great Falls flight prices changed over time?

When to book flights from Las Vegas to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Great Falls (LAS to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Great Falls

Best Price Found

$69

Fastest flight time

2h 19m

Direct flights

Tue and Sat

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from Las Vegas in the past 72 hours is $69. The best round-trip flight deal from Las Vegas to Great Falls found on momondo in the last 72 hours is $149.
The fastest flight from Las Vegas to Great Falls takes 2h 19m
Direct flights go from Las Vegas to Great Falls on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Great Falls. From Las Vegas there are direct flights to Great Falls (GTF).
Search flight deals

Frequently asked questions about flying from Las Vegas to Great Falls

  • How far is Las Vegas Harry Reid Intl to Great Falls by plane?

    Great Falls is 806.2 mi away from Las Vegas Harry Reid Intl. 2h 19m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Great Falls Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Great Falls Airport were last updated today.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Great Falls Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Great Falls Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Las Vegas Harry Reid Intl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents required for your trip to Great Falls Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Great Falls Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Las Vegas to Great Falls?

  • What is the most popular airline from Las Vegas to Great Falls?

Best airlines flying from Las Vegas to Great Falls

Compare and see reviews for airlines that fly from Las Vegas to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights

  • Allegiant Air Flights From Las Vegas to Great Falls

    Allegiant Air flight deals from Las Vegas to Great Falls start from $82 round-trip. Over the 1 Allegiant Air flight for this route in a normal week, average airfare is usually $162 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Great Falls?

It is quick and easy to find Las Vegas to Great Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Great Falls that suits you.

Can I find flights from Las Vegas to Great Falls with flexible booking policies on momondo?

Yes. All flights to Great Falls from Las Vegas on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Las Vegas to Great Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to Great Falls.

I’m not ready to book a flight from Las Vegas to Great Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Great Falls from Las Vegas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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