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$178+ Cheap flights from Helena to Las Vegas (HLN - LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Helena to Las Vegas

Cheapest flights from Helena to Las Vegas
Explore the most affordable flight options available from Helena to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:28 pmHLN - LAS
1 stop6h 27mAlaska Airlines
Wed 12/108:00 amLAS - HLN
1 stop8h 51mAlaska Airlines
Deal found 10/29$302
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:28 pmHLN - LAS
1 stop5h 25mAlaska Airlines
Mon 12/88:30 pmLAS - HLN
1 stop20h 21mAlaska Airlines
Deal found 10/30$329
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:30 pmHLN - LAS
1 stop5h 30mUnited Airlines
Fri 12/55:20 amLAS - HLN
1 stop7h 27mUnited Airlines
Deal found 10/28$355
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:28 pmHLN - LAS
1 stop27h 32mAlaska Airlines
Mon 12/88:30 pmLAS - HLN
1 stop20h 21mAlaska Airlines
Deal found 10/28$357
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:28 pmHLN - LAS
2 stops25h 57mAlaska Airlines
Mon 12/88:30 pmLAS - HLN
1 stop20h 21mAlaska Airlines
Deal found 10/28$376
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:30 amHLN - LAS
1 stop3h 46mDelta
Wed 11/265:20 pmLAS - HLN
1 stop4h 10mDelta
Deal found 10/29$391
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:22 pmHLN - LAS
1 stop7h 24mUnited Airlines
Wed 12/35:20 amLAS - HLN
1 stop7h 27mUnited Airlines
Deal found 10/29$401

Cheap flight deals from Helena to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$302
(Alaska Airlines)

One-way from

$178
(United Airlines)

Popular in

March

Cheapest in

May

Average price

$408
Provider with most accurate pricing for Helena-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Las Vegas Harry Reid Intl flights.
Search Deals
From Helena to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Helena to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Helena to Las Vegas that are best for you.

Fly from

Helena

Fly to

Las Vegas

Route

Depart

Return

Price

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/9

5:59 pm-11:12 pm

1 stop6h 13m

Las Vegas Harry Reid Intl

Fri 2/13

7:15 pm-3:43 pm

1 stop19h 28m

$302

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 3/2

4:10 pm-11:51 pm

1 stop8h 41m

Las Vegas Harry Reid Intl

Fri 3/6

7:50 am-3:43 pm

1 stop6h 53m

$322

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 12/6

6:28 pm-11:55 pm

1 stop6h 27m

Las Vegas Harry Reid Intl

Mon 12/8

8:30 pm-5:51 pm

1 stop20h 21m

$329

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Mon 12/8

8:30 pm-5:51 pm

1 stop20h 21m

$329

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 12/5

6:28 pm-9:00 pm

1 stop27h 32m

Las Vegas Harry Reid Intl

Mon 12/8

8:30 pm-5:51 pm

1 stop20h 21m

$357

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 3/2

4:10 pm-11:19 pm

2 stops8h 09m

Las Vegas Harry Reid Intl

Fri 3/6

7:50 am-3:43 pm

1 stop6h 53m

$358

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 12/7

6:28 pm-5:19 pm

2 stops23h 51m

Las Vegas Harry Reid Intl

Wed 12/10

7:00 am-5:51 pm

2 stops9h 51m

$373

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

2:30 pm-8:46 pm

1 stop7h 16m

$178

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 11/26

2:22 pm-8:46 pm

1 stop7h 24m

$224

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 11/17

6:13 pm-1:26 pm

1 stop20h 13m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 14 results
1
2

Compare providers for flights from Helena to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Las Vegas in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-Las Vegas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Helena-Las Vegas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Helena-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Las Vegas

What is the cheapest month to book a flight from Helena to Las Vegas?

Currently, September is the cheapest month in which you can book a flight from Helena to Las Vegas (average of $43). Flying from Helena to Las Vegas in December is currently the most expensive (average of $151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HLN to LAS?

Find hourly flight availability from Helena to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Helena to Las Vegas in the evening. Doing so could potentially save you 74% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Helena to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,214 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,993 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Helena to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helena to Las Vegas?

    A quick flight from Helena to Las Vegas can take about 6h 13m. Alaska Airlines provides one of the quickest options available for as low as $302. Airlines will cover a distance of 745 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Helena to Las Vegas round-trip?

    Delta, at $240, was found to be the cheapest airline from Helena to Las Vegas.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. You may be able to fly from Helena to Las Vegas for 32% less than the average price by searching for these airlines.

  • Can I find deals for flights from Helena to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Helena to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Las Vegas.

  • Can I find deals for business class flights from Helena to Las Vegas?

    Yes. Cheapflights offers flight deals from Helena to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Las Vegas?

    Currently, September is the cheapest month in which you can book a flight from Helena to Las Vegas (average of $43). Flying from Helena to Las Vegas in December is currently the most expensive (average of $151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
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Winchester
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Primm
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Mesquite
Needles
Boulder City

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Top 3 airlines flying from Helena to Las Vegas

Discover the top 3 airlines that operate flights from Helena to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$368FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$241Average$362FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$242Average$391FlexibilityNo cancel feeOn-time69%

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