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Cheap flights from Helena to Las Vegas from $126

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 4/19. 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 Helena to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:22 pm - 10:46 pm
HLN
-
LAS
5h 24m
1 stop
Alaska Airlines Logo
10:00 am - 5:45 pm
LAS
-
HLN
6h 45m
1 stop
$251Alaska Airlines
Sat, Apr 11 - Wed, Apr 15
Alaska Airlines Logo
4:59 pm - 11:59 pm
HLN
-
LAS
8h 00m
1 stop
Alaska Airlines Logo
12:41 pm - 4:22 pm
LAS
-
HLN
26h 41m
1 stop
$269Alaska Airlines
Fri, Jun 19 - Tue, Jun 23
Delta Logo
5:30 am - 8:20 am
HLN
-
LAS
3h 50m
1 stop
Delta Logo
6:00 am - 12:21 pm
LAS
-
HLN
5h 21m
1 stop
$287Delta
Thu, Apr 2 - Thu, Apr 9
Alaska Airlines Logo
4:36 pm - 11:55 pm
HLN
-
LAS
8h 19m
1 stop
Alaska Airlines Logo
7:00 am - 3:59 pm
LAS
-
HLN
7h 59m
1 stop
$309Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
4:36 pm - 10:56 pm
HLN
-
LAS
7h 20m
1 stop
Alaska Airlines Logo
6:00 am - 3:59 pm
LAS
-
HLN
8h 59m
1 stop
$311Alaska Airlines
Tue, Mar 3 - Wed, Mar 11
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m
1 stop
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m
1 stop
$317Alaska Airlines
Wed, Apr 29 - Sat, May 2
Delta Logo
5:40 am - 8:18 am
HLN
-
LAS
3h 38m
1 stop
Delta Logo
6:05 am - 12:24 pm
LAS
-
HLN
5h 19m
1 stop
$320Delta
Wed, Apr 29 - Sat, May 2
Alaska Airlines Logo
6:22 pm - 8:25 am
HLN
-
LAS
15h 03m
2 stops
Alaska Airlines Logo
10:00 am - 5:45 pm
LAS
-
HLN
6h 45m
1 stop
$324Alaska Airlines
Sat, Apr 11 - Wed, Apr 15
Alaska Airlines Logo
6:22 pm - 8:25 am
HLN
-
LAS
39h 03m
2 stops
Alaska Airlines Logo
10:00 am - 5:45 pm
LAS
-
HLN
6h 45m
1 stop
$325Alaska Airlines
Sat, Apr 11 - Wed, Apr 15
Alaska Airlines Logo
4:36 pm - 10:56 pm
HLN
-
LAS
7h 20m
1 stop
Alaska Airlines Logo
7:00 am - 3:59 pm
LAS
-
HLN
7h 59m
1 stop
$328Alaska Airlines
Tue, Mar 3 - Thu, Mar 12

United Airlines flights from Helena to Las Vegas

Our best United Airlines deals on Helena to Las Vegas flight tickets
United Airlines
Feb 24
HLN6:15 amHelena
5h 32m
1 stop
LAS10:47 amLas Vegas Harry Reid Intl
Mar 4
LAS7:30 amLas Vegas Harry Reid Intl
5h 10m
1 stop
HLN1:40 pmHelena
$324
United Airlines
Mar 8
HLN2:30 pmHelena
7h 31m
1 stop
LAS9:01 pmLas Vegas Harry Reid Intl
Mar 12
LAS5:30 amLas Vegas Harry Reid Intl
7h 08m
1 stop
HLN1:38 pmHelena
$344
United Airlines
Mar 10
HLN6:15 amHelena
7h 42m
1 stop
LAS12:57 pmLas Vegas Harry Reid Intl
Mar 12
LAS5:30 amLas Vegas Harry Reid Intl
7h 08m
1 stop
HLN1:38 pmHelena
$345

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Apr 11
HLN6:22 pmHelena
5h 24m
1 stop
LAS10:46 pmLas Vegas Harry Reid Intl
Apr 15
LAS10:00 amLas Vegas Harry Reid Intl
6h 45m
1 stop
HLN5:45 pmHelena
$251
Alaska Airlines
Jun 19
HLN4:59 pmHelena
8h 00m
1 stop
LAS11:59 pmLas Vegas Harry Reid Intl
Jun 23
LAS12:41 pmLas Vegas Harry Reid Intl
26h 41m
1 stop
HLN4:22 pmHelena
$269
Alaska Airlines
Feb 25
HLN4:36 pmHelena
8h 19m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Mar 10
LAS8:00 amLas Vegas Harry Reid Intl
6h 59m
1 stop
HLN3:59 pmHelena
$309

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 February 22, 2026.
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

Sat 4/11

6:22 pm-10:46 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Wed 4/15

10:00 am-5:45 pm

1 stop6h 45m

$251

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 6/19

4:59 pm-11:59 pm

1 stop8h 00m

Las Vegas Harry Reid Intl

Tue 6/23

12:41 pm-4:22 pm

1 stop26h 41m

$269

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Thu 4/2

5:30 am-8:20 am

1 stop3h 50m

Las Vegas Harry Reid Intl

Thu 4/9

6:00 am-12:21 pm

1 stop5h 21m

$287

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 3/3

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Tue 3/10

7:00 am-3:59 pm

1 stop7h 59m

$309

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 3/3

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Wed 3/11

6:00 am-3:59 pm

1 stop8h 59m

$311

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 4/29

6:22 pm-10:53 pm

1 stop5h 31m

Las Vegas Harry Reid Intl

Sat 5/2

7:00 am-5:45 pm

1 stop9h 45m

$317

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 4/29

5:40 am-8:18 am

1 stop3h 38m

Las Vegas Harry Reid Intl

Sat 5/2

6:05 am-12:24 pm

1 stop5h 19m

$320

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 4/11

6:22 pm-8:25 am

2 stops15h 03m

Las Vegas Harry Reid Intl

Wed 4/15

10:00 am-5:45 pm

1 stop6h 45m

$324

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 4/11

6:22 pm-8:25 am

2 stops39h 03m

Las Vegas Harry Reid Intl

Wed 4/15

10:00 am-5:45 pm

1 stop6h 45m

$325

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 3/3

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Thu 3/12

7:00 am-3:59 pm

1 stop7h 59m

$328

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 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 typical price of a round-trip flight between Helena and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from Helena, with most prices found around $273. The month of May is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $276.

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

Fastest flight time

3h 38m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 3h 38m
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 38m, 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
United AirlinesPriceFrom $224Free CancellationRating
7.4
9,341 reviews
Search United Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
8,241 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
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 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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