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Cheap flights from Helena to Las Vegas from $229

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 10/31. 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 Helena to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Alaska Airlines Logo
8:00 am - 5:51 pmLAS-HLN
8h 51m1 stop
$242Alaska Airlines
Find Deal
dom., dic. 7 - mié., dic. 10
Alaska Airlines Logo
6:13 pm - 9:38 amHLN-LAS
16h 25m2 stops
Alaska Airlines Logo
7:45 am - 5:36 pmLAS-HLN
8h 51m1 stop
$268Alaska Airlines
Find Deal
mié., nov. 12 - mié., nov. 19
Delta Logo
1:06 pm - 4:13 pmHLN-LAS
4h 07m1 stop
Delta Logo
6:10 am - 12:26 pmLAS-HLN
5h 16m1 stop
$275Delta
Find Deal
mié., nov. 12 - mié., nov. 19
Alaska Airlines Logo
6:28 pm - 11:55 pmHLN-LAS
6h 27m1 stop
Alaska Airlines Logo
7:25 am - 5:51 pmLAS-HLN
9h 26m2 stops
$278Alaska Airlines
Find Deal
dom., dic. 7 - mié., dic. 10
Hawaiian Airlines Logo
4:10 pm - 10:20 pmHLN-LAS
7h 10m1 stop
Hawaiian Airlines Logo
7:50 am - 3:43 pmLAS-HLN
6h 53m1 stop
$298Hawaiian Airlines
Find Deal
lun., mar. 2 - vie., mar. 6
Alaska Airlines Logo
6:28 pm - 3:22 pmHLN-LAS
21h 54m2 stops
Alaska Airlines Logo
10:25 am - 5:51 pmLAS-HLN
30h 26m2 stops
$303Alaska Airlines
Find Deal
dom., dic. 7 - vie., dic. 12
Hawaiian Airlines Logo
4:10 pm - 8:21 pmHLN-LAS
5h 11m1 stop
Hawaiian Airlines Logo
9:30 am - 3:43 pmLAS-HLN
5h 13m1 stop
$338Hawaiian Airlines
Find Deal
lun., mar. 2 - vie., mar. 6
Delta Logo
5:30 am - 8:16 amHLN-LAS
3h 46m1 stop
Delta Logo
5:20 pm - 10:30 pmLAS-HLN
4h 10m1 stop
$366Delta
Find Deal
dom., nov. 16 - sáb., nov. 22
United Airlines Logo
6:40 am - 10:41 amHLN-LAS
5h 01m1 stop
United Airlines Logo
7:23 am - 1:27 pmLAS-HLN
5h 04m1 stop
$460United Airlines
Find Deal
jue., oct. 30 - dom., nov. 2
United Airlines Logo
7:00 am - 12:01 amHLN-LAS
18h 01m2 stops
United Airlines Logo
2:54 pm - 8:59 pmLAS-HLN
5h 05m1 stop
$500United Airlines
Find Deal
jue., abr. 2 - jue., abr. 9

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Dec 7
HLN6:28 pmHelena
5h 25m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
Dec 10
LAS8:00 amLas Vegas Harry Reid Intl
8h 51m
1 stop
HLN5:51 pmHelena
$242
Find similar
Alaska Airlines
Nov 12
HLN6:13 pmHelena
16h 25m
2 stops
LAS9:38 amLas Vegas Harry Reid Intl
Nov 19
LAS7:45 amLas Vegas Harry Reid Intl
8h 51m
1 stop
HLN5:36 pmHelena
$268
Find similar
Alaska Airlines
Dec 7
HLN6:28 pmHelena
6h 27m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Dec 10
LAS7:25 amLas Vegas Harry Reid Intl
9h 26m
2 stops
HLN5:51 pmHelena
$278
Find similar

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Nov 12
HLN1:06 pmHelena
4h 07m
1 stop
LAS4:13 pmLas Vegas Harry Reid Intl
Nov 19
LAS6:10 amLas Vegas Harry Reid Intl
5h 16m
1 stop
HLN12:26 pmHelena
$275
Find similar
Delta
Nov 16
HLN5:30 amHelena
3h 46m
1 stop
LAS8:16 amLas Vegas Harry Reid Intl
Nov 22
LAS5:20 pmLas Vegas Harry Reid Intl
4h 10m
1 stop
HLN10:30 pmHelena
$366
Find similar
Delta
Apr 2
HLN5:35 amHelena
4h 25m
1 stop
LAS9:00 amLas Vegas Harry Reid Intl
Apr 9
LAS6:10 amLas Vegas Harry Reid Intl
5h 17m
1 stop
HLN12:27 pmHelena
$447
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 octubre 14, 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

dom. 12/7

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

mié. 12/10

8:00 am-5:51 pm

1 stop8h 51m

$242

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mié. 11/12

6:13 pm-9:38 am

2 stops16h 25m

Las Vegas Harry Reid Intl

mié. 11/19

7:45 am-5:36 pm

1 stop8h 51m

$268

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mié. 11/12

1:06 pm-4:13 pm

1 stop4h 07m

Las Vegas Harry Reid Intl

mié. 11/19

6:10 am-12:26 pm

1 stop5h 16m

$275

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

dom. 12/7

6:28 pm-11:55 pm

1 stop6h 27m

Las Vegas Harry Reid Intl

mié. 12/10

7:25 am-5:51 pm

2 stops9h 26m

$278

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 3/2

4:10 pm-10:20 pm

1 stop7h 10m

Las Vegas Harry Reid Intl

vie. 3/6

7:50 am-3:43 pm

1 stop6h 53m

$298

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

dom. 12/7

6:28 pm-3:22 pm

2 stops21h 54m

Las Vegas Harry Reid Intl

vie. 12/12

10:25 am-5:51 pm

2 stops30h 26m

$303

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 3/2

4:10 pm-8:21 pm

1 stop5h 11m

Las Vegas Harry Reid Intl

vie. 3/6

9:30 am-3:43 pm

1 stop5h 13m

$338

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

dom. 11/16

5:30 am-8:16 am

1 stop3h 46m

Las Vegas Harry Reid Intl

sáb. 11/22

5:20 pm-10:30 pm

1 stop4h 10m

$366

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

jue. 10/30

6:40 am-10:41 am

1 stop5h 01m

Las Vegas Harry Reid Intl

dom. 11/2

7:23 am-1:27 pm

1 stop5h 04m

$460

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

jue. 4/2

7:00 am-12:01 am

2 stops18h 01m

Las Vegas Harry Reid Intl

jue. 4/9

2:54 pm-8:59 pm

1 stop5h 05m

$500

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 November is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $266.

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 3h 46m, 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
DeltaPriceFrom $240Free CancellationRating
7.9
7,975 reviews
Search Delta flights
Alaska AirlinesPriceFrom $241Free CancellationRating
8.0
11,080 reviews
Search Alaska Airlines 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
Paradise
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 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.

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jue. 11/13
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