Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helena to Las Vegas from $178

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 4/22. 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

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
6:48 pm - 7:13 pm
HLN
-
LAS
25h 25m1 stop
Hawaiian Airlines Logo
5:42 pm - 6:11 pm
LAS
-
HLN
23h 29m1 stop
$222Hawaiian Airlines
Sat, Jan 10 - Fri, Jan 16
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
$238Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
8:00 am - 3:59 pm
LAS
-
HLN
6h 59m1 stop
$258Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Delta Logo
5:30 am - 12:50 pm
HLN
-
LAS
8h 20m2 stops
Delta Logo
5:40 pm - 12:27 pm
LAS
-
HLN
17h 47m2 stops
$259Delta
Mon, Jan 12 - Fri, Jan 16
Delta Logo
5:30 am - 8:26 am
HLN
-
LAS
3h 56m1 stop
Delta Logo
5:40 pm - 12:27 pm
LAS
-
HLN
17h 47m2 stops
$268Delta
Mon, Jan 12 - Fri, Jan 16
Delta Logo
1:10 pm - 4:17 pm
HLN
-
LAS
4h 07m1 stop
Delta Logo
1:45 pm - 12:27 pm
LAS
-
HLN
21h 42m2 stops
$269Delta
Sat, Jan 10 - Fri, Jan 16
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
5:42 pm - 6:11 pm
LAS
-
HLN
23h 29m1 stop
$270Alaska Airlines
Mon, Jan 12 - Fri, Jan 16
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
6:00 am - 6:11 pm
LAS
-
HLN
11h 11m2 stops
$274Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
Delta Logo
5:30 am - 2:35 pm
HLN
-
LAS
10h 05m2 stops
Delta Logo
1:45 pm - 12:27 pm
LAS
-
HLN
21h 42m2 stops
$275Delta
Sat, Jan 10 - Fri, Jan 16
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
6:00 am - 6:11 pm
LAS
-
HLN
11h 11m2 stops
$282Alaska Airlines
Sat, Jan 17 - Sat, Jan 24

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Jan 31
HLN6:48 pmHelena
5h 24m
1 stop
LAS11:12 pmLas Vegas Harry Reid Intl
Feb 4
LAS10:07 amLas Vegas Harry Reid Intl
7h 04m
1 stop
HLN6:11 pmHelena
$238
Find similar
Alaska Airlines
Feb 9
HLN6:48 pmHelena
5h 24m
1 stop
LAS11:12 pmLas Vegas Harry Reid Intl
Feb 13
LAS7:00 amLas Vegas Harry Reid Intl
7h 59m
1 stop
HLN3:59 pmHelena
$258
Find similar
Alaska Airlines
Jan 12
HLN6:48 pmHelena
5h 24m
1 stop
LAS11:12 pmLas Vegas Harry Reid Intl
Jan 16
LAS5:42 pmLas Vegas Harry Reid Intl
23h 29m
1 stop
HLN6:11 pmHelena
$270
Find similar

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Jan 12
HLN5:30 amHelena
8h 20m
2 stops
LAS12:50 pmLas Vegas Harry Reid Intl
Jan 16
LAS5:40 pmLas Vegas Harry Reid Intl
17h 47m
2 stops
HLN12:27 pmHelena
$259
Find similar
Delta
Jan 12
HLN5:30 amHelena
3h 56m
1 stop
LAS8:26 amLas Vegas Harry Reid Intl
Jan 16
LAS5:40 pmLas Vegas Harry Reid Intl
17h 47m
2 stops
HLN12:27 pmHelena
$268
Find similar
Delta
Jan 10
HLN1:10 pmHelena
4h 07m
1 stop
LAS4:17 pmLas Vegas Harry Reid Intl
Jan 16
LAS1:45 pmLas Vegas Harry Reid Intl
21h 42m
2 stops
HLN12:27 pmHelena
$269
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 December 4, 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

Sat 1/10

6:48 pm-7:13 pm

1 stop25h 25m

Las Vegas Harry Reid Intl

Fri 1/16

5:42 pm-6:11 pm

1 stop23h 29m

$222

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 1/31

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Wed 2/4

10:07 am-6:11 pm

1 stop7h 04m

$238

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

8:00 am-3:59 pm

1 stop6h 59m

$258

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 1/12

5:30 am-12:50 pm

2 stops8h 20m

Las Vegas Harry Reid Intl

Fri 1/16

5:40 pm-12:27 pm

2 stops17h 47m

$259

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 1/12

5:30 am-8:26 am

1 stop3h 56m

Las Vegas Harry Reid Intl

Fri 1/16

5:40 pm-12:27 pm

2 stops17h 47m

$268

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 1/10

1:10 pm-4:17 pm

1 stop4h 07m

Las Vegas Harry Reid Intl

Fri 1/16

1:45 pm-12:27 pm

2 stops21h 42m

$269

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 1/12

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Fri 1/16

5:42 pm-6:11 pm

1 stop23h 29m

$270

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 1/31

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Wed 2/4

6:00 am-6:11 pm

2 stops11h 11m

$274

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 1/10

5:30 am-2:35 pm

2 stops10h 05m

Las Vegas Harry Reid Intl

Fri 1/16

1:45 pm-12:27 pm

2 stops21h 42m

$275

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 1/17

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Sat 1/24

6:00 am-6:11 pm

2 stops11h 11m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 June is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $238.

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

Fastest flight time

4h 05m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 4h 05m
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
DeltaPriceFrom $238Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Alaska AirlinesPriceFrom $241Free CancellationRating
8.0
11,396 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.

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
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States