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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
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
$234Alaska Airlines
Sat, Mar 7 - Tue, Mar 10
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m
1 stop
Alaska Airlines Logo
8:00 am - 5:45 pm
LAS
-
HLN
8h 45m
1 stop
$251Alaska Airlines
Tue, Apr 28 - Sat, May 2
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
Delta Logo
1:02 pm - 3:49 pm
HLN
-
LAS
3h 47m
1 stop
Delta Logo
5:00 pm - 10:30 pm
LAS
-
HLN
4h 30m
1 stop
$270Delta
Fri, Apr 3 - Tue, Apr 7
Alaska Airlines Logo
4:36 pm - 10:56 pm
HLN
-
LAS
7h 20m
1 stop
Alaska Airlines Logo
5:00 pm - 3:59 pm
LAS
-
HLN
21h 59m
2 stops
$282Alaska Airlines
Sat, Mar 7 - Tue, Mar 10
Alaska Airlines Logo
6:22 pm - 8:46 am
HLN
-
LAS
15h 24m
2 stops
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m
1 stop
$289Alaska Airlines
Tue, Apr 28 - Sat, May 2
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
2 stops
$292Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
6:22 pm - 10:46 pm
HLN
-
LAS
5h 24m
1 stop
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m
1 stop
$305Alaska Airlines
Tue, Apr 21 - Sat, Apr 25
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
$306Delta
Tue, Mar 17 - Thu, Mar 19
Alaska Airlines Logo
4:36 pm - 10:56 pm
HLN
-
LAS
7h 20m
1 stop
Alaska Airlines Logo
8:28 pm - 5:45 pm
LAS
-
HLN
20h 17m
1 stop
$310Alaska Airlines
Tue, Mar 17 - Fri, Mar 20

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Mar 7
HLN4:36 pmHelena
7h 20m
1 stop
LAS10:56 pmLas Vegas Harry Reid Intl
Mar 10
LAS6:00 amLas Vegas Harry Reid Intl
8h 59m
1 stop
HLN3:59 pmHelena
$234
Alaska Airlines
Apr 28
HLN6:22 pmHelena
5h 31m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
May 2
LAS8:00 amLas Vegas Harry Reid Intl
8h 45m
1 stop
HLN5:45 pmHelena
$251
Alaska Airlines
Mar 7
HLN4:36 pmHelena
7h 20m
1 stop
LAS10:56 pmLas Vegas Harry Reid Intl
Mar 10
LAS5:00 pmLas Vegas Harry Reid Intl
21h 59m
2 stops
HLN3:59 pmHelena
$282

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Apr 3
HLN1:02 pmHelena
3h 47m
1 stop
LAS3:49 pmLas Vegas Harry Reid Intl
Apr 7
LAS5:00 pmLas Vegas Harry Reid Intl
4h 30m
1 stop
HLN10:30 pmHelena
$270
Delta
Mar 17
HLN5:30 amHelena
3h 50m
1 stop
LAS8:20 amLas Vegas Harry Reid Intl
Mar 19
LAS6:00 amLas Vegas Harry Reid Intl
5h 21m
1 stop
HLN12:21 pmHelena
$306
Delta
Jun 19
HLN5:45 amHelena
4h 05m
1 stop
LAS8:50 amLas Vegas Harry Reid Intl
Jun 23
LAS6:10 amLas Vegas Harry Reid Intl
5h 13m
1 stop
HLN12:23 pmHelena
$315

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 10, 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 3/7

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Tue 3/10

6:00 am-3:59 pm

1 stop8h 59m

$234

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 4/28

6:22 pm-10:53 pm

1 stop5h 31m

Las Vegas Harry Reid Intl

Sat 5/2

8:00 am-5:45 pm

1 stop8h 45m

$251

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

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 4/3

1:02 pm-3:49 pm

1 stop3h 47m

Las Vegas Harry Reid Intl

Tue 4/7

5:00 pm-10:30 pm

1 stop4h 30m

$270

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 3/7

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Tue 3/10

5:00 pm-3:59 pm

2 stops21h 59m

$282

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 4/28

6:22 pm-8:46 am

2 stops15h 24m

Las Vegas Harry Reid Intl

Sat 5/2

7:00 am-5:45 pm

1 stop9h 45m

$289

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 3/7

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Wed 3/11

6:00 am-3:59 pm

2 stops8h 59m

$292

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 4/21

6:22 pm-10:46 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Sat 4/25

7:00 am-5:45 pm

1 stop9h 45m

$305

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 3/17

5:30 am-8:20 am

1 stop3h 50m

Las Vegas Harry Reid Intl

Thu 3/19

6:00 am-12:21 pm

1 stop5h 21m

$306

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 3/17

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Fri 3/20

8:28 pm-5:45 pm

1 stop20h 17m

$310

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 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 47m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 3h 47m
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 47m, 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
9,267 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,178 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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