Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helena to Las Vegas from $142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Las Vegas departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Helena to Las Vegas

Cheap round-trip flights

Hawaiian Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Hawaiian Airlines Logo
10:10 am - 5:51 pmLAS-HLN
6h 41m1 stop
$282Hawaiian Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
United Airlines Logo
5:18 pm - 9:47 pmHLN-LAS
5h 29m1 stop
United Airlines Logo
8:35 am - 4:40 pmLAS-HLN
7h 05m1 stop
$283United Airlines
Find Deal
Sat, Oct 4 - Thu, Oct 9
Alaska Airlines Logo
6:13 pm - 9:00 pmHLN-LAS
27h 47m1 stop
Alaska Airlines Logo
10:08 am - 5:36 pmLAS-HLN
6h 28m1 stop
$300Alaska Airlines
Find Deal
Tue, Oct 28 - Thu, Oct 30
Alaska Airlines Logo
6:13 pm - 7:15 pmHLN-LAS
26h 02m1 stop
Alaska Airlines Logo
9:15 pm - 5:36 pmLAS-HLN
19h 21m1 stop
$302Alaska Airlines
Find Deal
Tue, Oct 28 - Thu, Oct 30
Delta Logo
1:06 pm - 10:34 pmHLN-LAS
10h 28m2 stops
Delta Logo
6:00 am - 12:26 pmLAS-HLN
5h 26m1 stop
$306Delta
Find Deal
Tue, Dec 2 - Thu, Dec 4
Alaska Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Alaska Airlines Logo
6:00 am - 5:51 pmLAS-HLN
10h 51m1 stop
$312Alaska Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
Alaska Airlines Logo
6:13 pm - 4:09 pmHLN-LAS
22h 56m2 stops
Alaska Airlines Logo
10:08 am - 5:36 pmLAS-HLN
6h 28m1 stop
$316Alaska Airlines
Find Deal
Tue, Oct 28 - Thu, Oct 30
Alaska Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Alaska Airlines Logo
10:10 am - 5:51 pmLAS-HLN
6h 41m1 stop
$318Alaska Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 11
Alaska Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Alaska Airlines Logo
7:25 am - 5:51 pmLAS-HLN
9h 26m2 stops
$326Alaska Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 9
Delta Logo
1:06 pm - 10:34 pmHLN-LAS
10h 28m2 stops
Delta Logo
11:02 am - 10:30 pmLAS-HLN
10h 28m2 stops
$330Delta
Find Deal
Tue, Dec 2 - Wed, Dec 3

Hawaiian Airlines flights from Helena to Las Vegas

Our best Hawaiian Airlines deals on Helena to Las Vegas flight tickets
Hawaiian Airlines
Dec 8
HLN6:28 pmHelena
5h 25m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
Dec 12
LAS10:10 amLas Vegas Harry Reid Intl
6h 41m
1 stop
HLN5:51 pmHelena
$282
Find similar
Hawaiian Airlines
Feb 9
HLN4:10 pmHelena
7h 10m
1 stop
LAS10:20 pmLas Vegas Harry Reid Intl
Feb 13
LAS9:30 amLas Vegas Harry Reid Intl
5h 13m
1 stop
HLN3:43 pmHelena
$381
Find similar

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Oct 28
HLN6:13 pmHelena
27h 47m
1 stop
LAS9:00 pmLas Vegas Harry Reid Intl
Oct 30
LAS10:08 amLas Vegas Harry Reid Intl
6h 28m
1 stop
HLN5:36 pmHelena
$300
Find similar
Alaska Airlines
Oct 28
HLN6:13 pmHelena
26h 02m
1 stop
LAS7:15 pmLas Vegas Harry Reid Intl
Oct 30
LAS9:15 pmLas Vegas Harry Reid Intl
19h 21m
1 stop
HLN5:36 pmHelena
$302
Find similar
Alaska Airlines
Dec 3
HLN6:28 pmHelena
5h 25m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
Dec 6
LAS6:00 amLas Vegas Harry Reid Intl
10h 51m
1 stop
HLN5:51 pmHelena
$312
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helena 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 September 13, 2025.
Use the filters below to find and compare flights from Helena to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 12/8

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Fri 12/12

10:10 am-5:51 pm

1 stop6h 41m

$282

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 10/4

5:18 pm-9:47 pm

1 stop5h 29m

Las Vegas Harry Reid Intl

Thu 10/9

8:35 am-4:40 pm

1 stop7h 05m

$283

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/28

6:13 pm-9:00 pm

1 stop27h 47m

Las Vegas Harry Reid Intl

Thu 10/30

10:08 am-5:36 pm

1 stop6h 28m

$300

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/28

6:13 pm-7:15 pm

1 stop26h 02m

Las Vegas Harry Reid Intl

Thu 10/30

9:15 pm-5:36 pm

1 stop19h 21m

$302

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 12/2

1:06 pm-10:34 pm

2 stops10h 28m

Las Vegas Harry Reid Intl

Thu 12/4

6:00 am-12:26 pm

1 stop5h 26m

$306

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Sat 12/6

6:00 am-5:51 pm

1 stop10h 51m

$312

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/28

6:13 pm-4:09 pm

2 stops22h 56m

Las Vegas Harry Reid Intl

Thu 10/30

10:08 am-5:36 pm

1 stop6h 28m

$316

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Thu 12/11

10:10 am-5:51 pm

1 stop6h 41m

$318

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Tue 12/9

7:25 am-5:51 pm

2 stops9h 26m

$326

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 12/2

1:06 pm-10:34 pm

2 stops10h 28m

Las Vegas Harry Reid Intl

Wed 12/3

11:02 am-10:30 pm

2 stops10h 28m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Helena 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 May is, on average, the cheapest month to fly to Las Vegas from Helena, with most prices found around $224. The month of September is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $273.

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

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $331. Flights from Helena to Las Vegas on a Friday will generally be more expensive and average around $512. 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 in the afternoon when flights can be purchased for as low as $324. Flights to Las Vegas are more costly in the morning, with an average ticket price of $429. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Helena to Las Vegas

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

Cheap Helena to Las Vegas (HLN to LAS) flight deals and tips

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

Direct flights

None
There are no direct flights from Helena to Las Vegas. There are no popular flight routes from Helena to Las Vegas.
Search flight deals

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

    Helena and Las Vegas Harry Reid Intl are 736.9 mi apart from one another. Flights usually cover this in 4h 06m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Las Vegas Harry Reid Intl Airport.

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

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Helena to Las Vegas

Compare and see reviews for airlines that fly from Helena to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $241Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $254Free CancellationRating
7.9
7,959 reviews
Search Delta 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
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Las Vegas. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Las Vegas from Helena with this policy.

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

Once you have performed a search for Helena to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Helena and alert you when they change.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 10/13
Mon 10/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States