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Helena

$280+ Cheap flights from Las Vegas to Helena (LAS - HLN)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — HLN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Las Vegas to Helena

Best flights from Las Vegas to Helena
Discover carefully curated flight deals from Las Vegas to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 1/231:43 pmLAS - HLN
1 stop27h 28mAlaska Airlines
Sun 1/256:48 pmHLN - LAS
1 stop5h 24mAlaska Airlines
Deal found 12/9$280
This United Airlines deal was found by Cheapflights users on 12/10. 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 2/107:30 amLAS - HLN
1 stop5h 11mUnited Airlines
Thu 2/122:25 pmHLN - LAS
1 stop7h 06mUnited Airlines
Deal found 12/10$299

Find flight deals from Las Vegas to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Helena (HLN). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$280
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$397
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Helena flights.
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From Las Vegas Harry Reid Intl to Helena
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Helena 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 December 12, 2025.
Use the filters below to find and compare flights from Las Vegas to Helena that are best for you.

Fly from

Las Vegas

Fly to

Helena

Route

Depart

Return

Price

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 1/23

1:43 pm-6:11 pm

1 stop27h 28m

Helena

Sun 1/25

6:48 pm-11:12 pm

1 stop5h 24m

$280

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 2/10

7:30 am-1:41 pm

1 stop5h 11m

Helena

Thu 2/12

2:25 pm-8:31 pm

1 stop7h 06m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Las Vegas to Helena

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 Las Vegas to Helena in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Las Vegas-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Las Vegas-Helena flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Las Vegas-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Helena 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 Las Vegas-Helena 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 Las Vegas to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Las Vegas 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 Las Vegas to Helena

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

Currently, June is the cheapest month in which you can book a flight from Las Vegas to Helena (average of $49). Flying from Las Vegas to Helena in December is currently the most expensive (average of $99). 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.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Las Vegas to Helena, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Helena. 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 Las Vegas to Helena?

    A quick flight from Las Vegas to Helena can take about 27h 28m. Alaska Airlines provides one of the quickest options available for as low as $280. The distance between Las Vegas and Helena is about 745 mi.

  • What is the cheapest airline to fly from Las Vegas to Helena round-trip?

    Cheapflights users have booked flights from Las Vegas to Helena round-trip from $318. You may be able to fly from Las Vegas to Helena for 29% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Helena 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 Las Vegas to Helena?

    Currently, June is the cheapest month in which you can book a flight from Las Vegas to Helena (average of $49). Flying from Las Vegas to Helena in December is currently the most expensive (average of $99). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Las Vegas to Helena

Discover the top airline that operate flights from Las Vegas to Helena. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$497FlexibilityNo cancel feeOn-time69%

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