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$264+ Cheap flights from Helena to Las Vegas (HLN - LAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAS
Mar 25 — Apr 11
Tue 3/25
Tue 4/1
1 adult, Economy
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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 March 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$515
Provider with most accurate pricing for Helena-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Helena-Las Vegas Harry Reid Intl flights.
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From Helena to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Sun 4/134:19 pmHLN - LAS
1 stop6h 21mAlaska Airlines
Wed 4/162:13 pmLAS - HLN
1 stop24h 26mAlaska Airlines
Deal found 3/18$264
This Delta deal was found by Cheapflights users on 3/18. 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.
Sat 4/121:15 pmHLN - LAS
1 stop3h 59mDelta
Tue 4/156:00 amLAS - HLN
1 stop5h 38mDelta
Deal found 3/18$265
This Hawaiian Airlines deal was found by Cheapflights users on 3/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:10 pmHLN - LAS
1 stop7h 10mHawaiian Airlines
Thu 10/169:30 amLAS - HLN
1 stop5h 13mHawaiian Airlines
Deal found 3/19$334
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 7/195:39 pmHLN - LAS
1 stop5h 21mUnited Airlines
Tue 7/226:00 amLAS - HLN
1 stop6h 13mUnited Airlines
Deal found 3/19$405

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 March 20, 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

Sun 4/13

4:19 pm-9:40 pm

1 stop6h 21m

Las Vegas Harry Reid Intl

Wed 4/16

2:13 pm-3:39 pm

1 stop24h 26m

$264

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 4/12

1:15 pm-4:14 pm

1 stop3h 59m

Las Vegas Harry Reid Intl

Tue 4/15

6:00 am-12:38 pm

1 stop5h 38m

$265

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 7/19

5:39 pm-10:00 pm

1 stop5h 21m

Las Vegas Harry Reid Intl

Tue 7/22

6:00 am-1:13 pm

1 stop6h 13m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Las Vegas flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, August is the cheapest month in which you can book a flight from Helena to Las Vegas (average of $198). Flying from Helena to Las Vegas in March is currently the most expensive (average of $269). 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 March 20, 2025.

It’s typically best to fly out from Helena to Las Vegas in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 March 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Helena to Las Vegas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,753 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,753 reviews
Alaska Airlines
8.0
Very good
9,753 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,753 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,609 reviews
Alaska Airlines
8.0
Very good
9,753 reviews

Boarding

8.2

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    Alaska Airlines, at $264, was found to be the cheapest airline from Helena to Las Vegas.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Helena to Las Vegas for 34% 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, August is the cheapest month in which you can book a flight from Helena to Las Vegas (average of $198). Flying from Helena to Las Vegas in March is currently the most expensive (average of $269). 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 Helena?

Book flights to Helena if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mesquite
Needles
Mount Charleston
Pahrump
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 March 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$214Average$572FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$253Average$362FlexibilityNo cancel feeOn-time75%
DeltaCheapest$254Average$361FlexibilityNo cancel feeOn-timeN/A
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