Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helena to Las Vegas from $258

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Las Vegas departing on 2/9. 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.
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
6:00 am - 3:59 pm
LAS
-
HLN
8h 59m1 stop
$258Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
United Airlines Logo
6:15 am - 10:45 am
HLN
-
LAS
5h 30m1 stop
United Airlines Logo
5:20 am - 1:41 pm
LAS
-
HLN
7h 21m1 stop
$259United Airlines
Sun, Jan 25 - Thu, Jan 29
United Airlines Logo
2:27 pm - 8:32 pm
HLN
-
LAS
7h 05m1 stop
United Airlines Logo
3:33 pm - 9:26 pm
LAS
-
HLN
4h 53m1 stop
$276United Airlines
Mon, Jan 26 - Fri, Jan 30
Alaska Airlines Logo
4:36 pm - 10:56 pm
HLN
-
LAS
7h 20m1 stop
Alaska Airlines Logo
6:00 am - 3:59 pm
LAS
-
HLN
8h 59m2 stops
$286Alaska Airlines
Sun, Feb 22 - Wed, Feb 25
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
7:59 pm - 3:59 pm
LAS
-
HLN
19h 00m2 stops
$287Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Delta Logo
1:05 pm - 4:05 pm
HLN
-
LAS
4h 00m1 stop
Delta Logo
5:10 pm - 10:27 pm
LAS
-
HLN
4h 17m1 stop
$289Delta
Fri, Feb 20 - Mon, Feb 23
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
$290Alaska Airlines
Mon, Jan 26 - Thu, Jan 29
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
Alaska Airlines Logo
5:17 pm - 3:59 pm
LAS
-
HLN
21h 42m2 stops
$296Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Alaska Airlines Logo
6:48 pm - 2:11 pm
HLN
-
LAS
20h 23m2 stops
Alaska Airlines Logo
10:07 am - 6:11 pm
LAS
-
HLN
7h 04m1 stop
$316Alaska Airlines
Mon, Jan 26 - Thu, Jan 29
Alaska Airlines Logo
4:36 pm - 11:55 pm
HLN
-
LAS
8h 19m1 stop
Alaska Airlines Logo
7:29 pm - 3:59 pm
LAS
-
HLN
19h 30m2 stops
$323Alaska Airlines
Mon, Feb 16 - Fri, Feb 20

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Feb 9
HLN6:48 pmHelena
5h 24m
1 stop
LAS11:12 pmLas Vegas Harry Reid Intl
Feb 13
LAS6:00 amLas Vegas Harry Reid Intl
8h 59m
1 stop
HLN3:59 pmHelena
$258
Find similar
Alaska Airlines
Feb 22
HLN4:36 pmHelena
7h 20m
1 stop
LAS10:56 pmLas Vegas Harry Reid Intl
Feb 25
LAS6:00 amLas Vegas Harry Reid Intl
8h 59m
2 stops
HLN3:59 pmHelena
$286
Find similar
Alaska Airlines
Feb 9
HLN6:48 pmHelena
5h 24m
1 stop
LAS11:12 pmLas Vegas Harry Reid Intl
Feb 13
LAS7:59 pmLas Vegas Harry Reid Intl
19h 00m
2 stops
HLN3:59 pmHelena
$287
Find similar

United Airlines flights from Helena to Las Vegas

Our best United Airlines deals on Helena to Las Vegas flight tickets
United Airlines
Jan 25
HLN6:15 amHelena
5h 30m
1 stop
LAS10:45 amLas Vegas Harry Reid Intl
Jan 29
LAS5:20 amLas Vegas Harry Reid Intl
7h 21m
1 stop
HLN1:41 pmHelena
$259
Find similar
United Airlines
Jan 26
HLN2:27 pmHelena
7h 05m
1 stop
LAS8:32 pmLas Vegas Harry Reid Intl
Jan 30
LAS3:33 pmLas Vegas Harry Reid Intl
4h 53m
1 stop
HLN9:26 pmHelena
$276
Find similar
United Airlines
Jan 10
HLN2:27 pmHelena
5h 35m
1 stop
LAS7:02 pmLas Vegas Harry Reid Intl
Jan 11
LAS5:20 amLas Vegas Harry Reid Intl
7h 21m
1 stop
HLN1:41 pmHelena
$329
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 21, 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

Mon 2/9

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Fri 2/13

6:00 am-3:59 pm

1 stop8h 59m

$258

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 1/25

6:15 am-10:45 am

1 stop5h 30m

Las Vegas Harry Reid Intl

Thu 1/29

5:20 am-1:41 pm

1 stop7h 21m

$259

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 1/26

2:27 pm-8:32 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Fri 1/30

3:33 pm-9:26 pm

1 stop4h 53m

$276

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 2/22

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Wed 2/25

6:00 am-3:59 pm

2 stops8h 59m

$286

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

7:59 pm-3:59 pm

2 stops19h 00m

$287

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 2/20

1:05 pm-4:05 pm

1 stop4h 00m

Las Vegas Harry Reid Intl

Mon 2/23

5:10 pm-10:27 pm

1 stop4h 17m

$289

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 1/26

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Thu 1/29

10:07 am-6:11 pm

1 stop7h 04m

$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

5:17 pm-3:59 pm

2 stops21h 42m

$296

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 1/26

6:48 pm-2:11 pm

2 stops20h 23m

Las Vegas Harry Reid Intl

Thu 1/29

10:07 am-6:11 pm

1 stop7h 04m

$316

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/16

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Fri 2/20

7:29 pm-3:59 pm

2 stops19h 30m

$323

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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
DeltaPriceFrom $238Free CancellationRating
7.9
8,017 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $272Free CancellationRating
8.0
11,494 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
Tue 1/20
Tue 1/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States