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Cheap flights from Montana to Las Vegas 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 Montana to Las Vegas departing on 4/27. 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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Find the cheapest flights from Montana to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:54 pm - 10:12 pm
MSO
-
LAS
2h 18mnonstop
Allegiant Air Logo
4:46 pm - 8:04 pm
LAS
-
MSO
2h 18mnonstop
$94Allegiant Air
Mon, Apr 13 - Fri, Apr 17
Allegiant Air Logo
4:05 pm - 5:21 pm
MSO
-
LAS
2h 16mnonstop
Allegiant Air Logo
11:59 am - 3:14 pm
LAS
-
MSO
2h 15mnonstop
$103Allegiant Air
Mon, Feb 23 - Fri, Feb 27
Allegiant Air Logo
9:57 am - 11:07 am
BIL
-
LAS
2h 10mnonstop
Allegiant Air Logo
6:15 am - 9:24 am
LAS
-
BIL
2h 09mnonstop
$105Allegiant Air
Mon, Apr 6 - Fri, Apr 10
Allegiant Air Logo
4:05 pm - 5:21 pm
MSO
-
LAS
2h 16mnonstop
Allegiant Air Logo
11:59 am - 3:14 pm
LAS
-
MSO
2h 15mnonstop
$115Allegiant Air
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
4:23 pm - 8:49 pm
MSO
-
LAS
5h 26m
1 stop
Multiple Airlines Logo
4:13 pm - 7:27 pm
LAS
-
MSO
2h 14mnonstop
$154Multiple Airlines
Tue, Mar 24 - Fri, Mar 27
Multiple Airlines Logo
8:17 pm - 9:34 pm
MSO
-
LAS
2h 17mnonstop
Multiple Airlines Logo
7:00 am - 3:35 pm
LAS
-
MSO
7h 35m
1 stop
$155Multiple Airlines
Mon, Mar 30 - Wed, Apr 1
United Airlines Logo
4:28 pm - 8:48 pm
BZN
-
LAS
5h 20m
1 stop
United Airlines Logo
5:49 am - 12:30 pm
LAS
-
BZN
5h 41m
1 stop
$209United Airlines
Tue, May 5 - Sun, May 10
American Airlines Logo
3:36 pm - 10:08 pm
BZN
-
LAS
7h 32m
1 stop
American Airlines Logo
6:30 am - 2:46 pm
LAS
-
BZN
7h 16m
1 stop
$211American Airlines
Fri, Mar 6 - Mon, Mar 9
Southwest Logo
4:25 pm - 8:45 pm
BZN
-
LAS
5h 20m
1 stop
Southwest Logo
6:40 am - 2:45 pm
LAS
-
BZN
7h 05m
2 stops
$213Southwest
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
2:30 pm - 7:04 pm
HLN
-
LAS
5h 34m
1 stop
United Airlines Logo
5:30 am - 1:38 pm
LAS
-
HLN
7h 08m
1 stop
$253United Airlines
Sat, Mar 7 - Sat, Mar 14

Allegiant Air flights from Montana to Las Vegas

Our best Allegiant Air deals on Montana to Las Vegas flight tickets
Allegiant Air
Apr 13
MSO8:54 pmMissoula Johnson-Bell Field
2h 18m
LAS10:12 pmLas Vegas Harry Reid Intl
Apr 17
LAS4:46 pmLas Vegas Harry Reid Intl
2h 18m
MSO8:04 pmMissoula Johnson-Bell Field
$94
Allegiant Air
Feb 23
MSO4:05 pmMissoula Johnson-Bell Field
2h 16m
LAS5:21 pmLas Vegas Harry Reid Intl
Feb 27
LAS11:59 amLas Vegas Harry Reid Intl
2h 15m
MSO3:14 pmMissoula Johnson-Bell Field
$103
Allegiant Air
Apr 6
BIL9:57 amBillings Logan Intl
2h 10m
LAS11:07 amLas Vegas Harry Reid Intl
Apr 10
LAS6:15 amLas Vegas Harry Reid Intl
2h 09m
BIL9:24 amBillings Logan Intl
$105

Alaska Airlines flights from Montana to Las Vegas

Our best Alaska Airlines deals on Montana to Las Vegas flight tickets
Alaska Airlines
Feb 11
BZN1:46 pmBozeman Gallatin Field
8h 07m
1 stop
LAS8:53 pmLas Vegas Harry Reid Intl
Feb 14
LAS7:29 pmLas Vegas Harry Reid Intl
18h 53m
1 stop
BZN3:22 pmBozeman Gallatin Field
$212
Alaska Airlines
Apr 15
BZN12:40 pmBozeman Gallatin Field
7h 06m
1 stop
LAS6:46 pmLas Vegas Harry Reid Intl
Apr 17
LAS9:06 pmLas Vegas Harry Reid Intl
15h 04m
1 stop
BZN1:10 pmBozeman Gallatin Field
$214
Alaska Airlines
Apr 14
BZN7:26 pmBozeman Gallatin Field
13h 59m
2 stops
LAS8:25 amLas Vegas Harry Reid Intl
Apr 16
LAS7:00 amLas Vegas Harry Reid Intl
5h 10m
1 stop
BZN1:10 pmBozeman Gallatin Field
$215

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Montana to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaLas Vegas

MSO - LAS

MSOLAS

Missoula Johnson-Bell Field

Mon 4/13

8:54 pm-10:12 pm

Nonstop2h 18m

Las Vegas Harry Reid Intl

Fri 4/17

4:46 pm-8:04 pm

Nonstop2h 18m

$94

MissoulaLas Vegas

MSO - LAS

MSOLAS

Missoula Johnson-Bell Field

Mon 2/23

4:05 pm-5:21 pm

Nonstop2h 16m

Las Vegas Harry Reid Intl

Fri 2/27

11:59 am-3:14 pm

Nonstop2h 15m

$103

BillingsLas Vegas

BIL - LAS

BILLAS

Billings Logan Intl

Mon 4/6

9:57 am-11:07 am

Nonstop2h 10m

Las Vegas Harry Reid Intl

Fri 4/10

6:15 am-9:24 am

Nonstop2h 09m

$105

MissoulaLas Vegas

MSO - LAS

MSOLAS

Missoula Johnson-Bell Field

Mon 2/23

4:05 pm-5:21 pm

Nonstop2h 16m

Las Vegas Harry Reid Intl

Fri 2/27

11:59 am-3:14 pm

Nonstop2h 15m

$115

MissoulaLas Vegas

MSO - LAS

MSOLAS

Missoula Johnson-Bell Field

Tue 3/24

4:23 pm-8:49 pm

1 stop5h 26m

Las Vegas Harry Reid Intl

Fri 3/27

4:13 pm-7:27 pm

Nonstop2h 14m

$154

MissoulaLas Vegas

MSO - LAS

MSOLAS

Missoula Johnson-Bell Field

Mon 3/30

8:17 pm-9:34 pm

Nonstop2h 17m

Las Vegas Harry Reid Intl

Wed 4/1

7:00 am-3:35 pm

1 stop7h 35m

$155

BozemanLas Vegas

BZN - LAS

BZNLAS

Bozeman Gallatin Field

Tue 5/5

4:28 pm-8:48 pm

1 stop5h 20m

Las Vegas Harry Reid Intl

Sun 5/10

5:49 am-12:30 pm

1 stop5h 41m

$209

BozemanLas Vegas

BZN - LAS

BZNLAS

Bozeman Gallatin Field

Fri 3/6

3:36 pm-10:08 pm

1 stop7h 32m

Las Vegas Harry Reid Intl

Mon 3/9

6:30 am-2:46 pm

1 stop7h 16m

$211

BozemanLas Vegas

BZN - LAS

BZNLAS

Bozeman Gallatin Field

Sat 3/7

4:25 pm-8:45 pm

1 stop5h 20m

Las Vegas Harry Reid Intl

Tue 3/10

6:40 am-2:45 pm

2 stops7h 05m

$213

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 3/7

2:30 pm-7:04 pm

1 stop5h 34m

Las Vegas Harry Reid Intl

Sat 3/14

5:30 am-1:38 pm

1 stop7h 08m

$253

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 Las Vegas from

How to get the cheapest flight ticket from Montana to Las Vegas

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 cheapest month to fly to Las Vegas?

The month of November is, on average, the cheapest month to fly to Las Vegas from Montana, with most prices found around $148. The month of October is another great option to travel to Las Vegas, with average flight prices from Montana averaging around $205.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $153. Flights from Montana to Las Vegas on a Tuesday will generally be more expensive and average around $379. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is at noon when flights can be purchased for as low as $252. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $323. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $247 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Montana for as low as $162 on momondo.

What cabin class options are available on Montana to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on Montana to Las Vegas Harry Reid Intl 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 Montana to Las Vegas flights?

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

Cheap Montana to Las Vegas flight deals and tips

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

Best Price Found

$152

Fastest flight time

2h 06m

Direct flights

Mon, Tue, Fri and Sat

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Montana in the past 72 hours is $152. The best round-trip flight deal from Montana to Las Vegas found on momondo in the last 72 hours is $111.
The fastest flight from Montana to Las Vegas takes 2h 06m
Direct flights go from Montana to Las Vegas on Monday, Tuesday, Friday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Las Vegas. From Montana there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

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

    Prices for flights from Montana to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Montana to Las Vegas Harry Reid Intl 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 Montana to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents required for your trip to Las Vegas Harry Reid Intl 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 Las Vegas Harry Reid Intl 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 Montana to Las Vegas?

Best airlines flying from Montana to Las Vegas

Compare and see reviews for airlines that fly from Montana to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $69Free CancellationRating
7.2
711 reviews
Search Allegiant Air flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,173 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $109Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $162Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $166Free CancellationRating
8.0
11,855 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $193Free CancellationRating
8.0
4,282 reviews
Search Southwest flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas from Montana.

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

All flight searches from Montana to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Las Vegas from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Las Vegas from Montana. 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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