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Cheap flights from Helena to Las Vegas from $133

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 - 11:55 pm
HLN
-
LAS
8h 19m1 stop
Alaska Airlines Logo
6:00 am - 3:59 pm
LAS
-
HLN
8h 59m1 stop
$264Alaska Airlines
Tue, Mar 3 - Fri, Mar 6
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
10:07 am - 6:11 pm
LAS
-
HLN
7h 04m1 stop
$265Alaska Airlines
Sun, Feb 8 - Wed, Feb 11
Alaska Airlines Logo
4:36 pm - 7:05 pm
HLN
-
LAS
27h 29m1 stop
Alaska Airlines Logo
7:00 am - 3:59 pm
LAS
-
HLN
7h 59m1 stop
$274Alaska Airlines
Sun, Mar 8 - Wed, Mar 11
Alaska Airlines Logo
4:36 pm - 11:55 pm
HLN
-
LAS
8h 19m1 stop
Alaska Airlines Logo
9:16 pm - 3:59 pm
LAS
-
HLN
17h 43m2 stops
$278Alaska Airlines
Tue, Mar 3 - Fri, Mar 6
Alaska Airlines Logo
4:36 pm - 11:55 pm
HLN
-
LAS
8h 19m1 stop
Alaska Airlines Logo
7:00 am - 3:59 pm
LAS
-
HLN
7h 59m1 stop
$285Alaska Airlines
Sat, Mar 14 - Tue, Mar 17
Alaska Airlines Logo
4:36 pm - 7:05 pm
HLN
-
LAS
27h 29m1 stop
Alaska Airlines Logo
6:00 am - 3:59 pm
LAS
-
HLN
8h 59m2 stops
$290Alaska Airlines
Sun, Mar 8 - Wed, Mar 11
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
7:00 am - 3:59 pm
LAS
-
HLN
7h 59m1 stop
$298Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Alaska Airlines Logo
6:48 pm - 4:46 pm
HLN
-
LAS
22h 58m2 stops
Alaska Airlines Logo
7:00 am - 3:59 pm
LAS
-
HLN
7h 59m1 stop
$309Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Delta Logo
5:30 am - 8:26 am
HLN
-
LAS
3h 56m1 stop
Delta Logo
4:35 pm - 10:27 pm
LAS
-
HLN
4h 52m1 stop
$311Delta
Tue, Feb 10 - Thu, Feb 12
Alaska Airlines Logo
6:22 pm - 11:59 pm
HLN
-
LAS
6h 37m1 stop
Alaska Airlines Logo
9:06 pm - 5:45 pm
LAS
-
HLN
19h 39m2 stops
$317Alaska Airlines
Mon, Apr 6 - Mon, Apr 13

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Mar 3
HLN4:36 pmHelena
8h 19m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Mar 6
LAS6:00 amLas Vegas Harry Reid Intl
8h 59m
1 stop
HLN3:59 pmHelena
$264
Alaska Airlines
Feb 8
HLN6:48 pmHelena
5h 24m
1 stop
LAS11:12 pmLas Vegas Harry Reid Intl
Feb 11
LAS10:07 amLas Vegas Harry Reid Intl
7h 04m
1 stop
HLN6:11 pmHelena
$265
Alaska Airlines
Mar 8
HLN4:36 pmHelena
27h 29m
1 stop
LAS7:05 pmLas Vegas Harry Reid Intl
Mar 11
LAS7:00 amLas Vegas Harry Reid Intl
7h 59m
1 stop
HLN3:59 pmHelena
$274

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Feb 10
HLN5:30 amHelena
3h 56m
1 stop
LAS8:26 amLas Vegas Harry Reid Intl
Feb 12
LAS4:35 pmLas Vegas Harry Reid Intl
4h 52m
1 stop
HLN10:27 pmHelena
$311
Delta
Apr 2
HLN5:30 amHelena
3h 50m
1 stop
LAS8:20 amLas Vegas Harry Reid Intl
Apr 9
LAS6:00 amLas Vegas Harry Reid Intl
5h 19m
1 stop
HLN12:19 pmHelena
$321
Delta
Apr 3
HLN5:30 amHelena
3h 50m
1 stop
LAS8:20 amLas Vegas Harry Reid Intl
Apr 7
LAS6:00 amLas Vegas Harry Reid Intl
5h 19m
1 stop
HLN12:19 pmHelena
$331

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 January 11, 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

Tue 3/3

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Fri 3/6

6:00 am-3:59 pm

1 stop8h 59m

$264

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 2/8

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Wed 2/11

10:07 am-6:11 pm

1 stop7h 04m

$265

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 3/8

4:36 pm-7:05 pm

1 stop27h 29m

Las Vegas Harry Reid Intl

Wed 3/11

7:00 am-3:59 pm

1 stop7h 59m

$274

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 3/3

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Fri 3/6

9:16 pm-3:59 pm

2 stops17h 43m

$278

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 3/14

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Tue 3/17

7:00 am-3:59 pm

1 stop7h 59m

$285

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 3/8

4:36 pm-7:05 pm

1 stop27h 29m

Las Vegas Harry Reid Intl

Wed 3/11

6:00 am-3:59 pm

2 stops8h 59m

$290

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/9

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Fri 2/13

7:00 am-3:59 pm

1 stop7h 59m

$298

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/9

6:48 pm-4:46 pm

2 stops22h 58m

Las Vegas Harry Reid Intl

Fri 2/13

7:00 am-3:59 pm

1 stop7h 59m

$309

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 2/10

5:30 am-8:26 am

1 stop3h 56m

Las Vegas Harry Reid Intl

Thu 2/12

4:35 pm-10:27 pm

1 stop4h 52m

$311

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 4/6

6:22 pm-11:59 pm

1 stop6h 37m

Las Vegas Harry Reid Intl

Mon 4/13

9:06 pm-5:45 pm

2 stops19h 39m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 June is, on average, the cheapest month to fly to Las Vegas from Helena, with most prices found around $238. The month of September is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $273.

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 50m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 3h 50m
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 50m, 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 $238Free CancellationRating
7.9
8,039 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,144 reviews
Search United 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
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Sunrise Manor
Boulder City
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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