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Helena

$138+ Cheap flights from Las Vegas to Helena (LAS - HLN)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — HLN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$277
(Delta)

One-way from

$138
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$445
From Las Vegas Harry Reid Intl to Helena
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One-way flight from Las Vegas Harry Reid Intl to Helena
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Highest demand for flights based on searches. 28% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Las Vegas to Helena

Cheapest flights from Las Vegas to Helena
Explore the most affordable flight options available from Las Vegas to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:15 amLAS - HLN
1 stop5h 05mDelta
Thu 8/281:00 pmHLN - LAS
1 stop4h 14mDelta
Deal found 6/10$277
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:19 pmLAS - HLN
1 stop17h 02mAlaska Airlines
Sun 9/284:02 pmHLN - LAS
1 stop5h 23mAlaska Airlines
Deal found 6/10$330
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/46:00 amLAS - HLN
2 stops14h 15mUnited Airlines
Mon 7/75:39 pmHLN - LAS
1 stop5h 20mUnited Airlines
Deal found 6/11$470
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:59 amLAS - HLN
2 stops11h 59mMultiple Airlines
Wed 7/234:09 pmHLN - LAS
2 stops8h 50mMultiple Airlines
Deal found 6/12$1,291

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 June 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

Mon 8/25

6:15 am-12:20 pm

1 stop5h 05m

Helena

Thu 8/28

1:00 pm-4:14 pm

1 stop4h 14m

$277

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 9/22

9:19 pm-3:21 pm

1 stop17h 02m

Helena

Sun 9/28

4:02 pm-8:25 pm

1 stop5h 23m

$330

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 7/4

6:00 am-9:15 pm

2 stops14h 15m

Helena

Mon 7/7

5:39 pm-9:59 pm

1 stop5h 20m

$470

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 7/22

12:59 am-1:58 pm

2 stops11h 59m

Helena

Wed 7/23

4:09 pm-11:59 pm

2 stops8h 50m

$1,291

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 8/23

7:50 am-3:21 pm

1 stop6h 31m

$138

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/15

5:19 pm-10:13 pm

1 stop3h 54m

$139

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 7/31

8:00 am-3:31 pm

1 stop6h 31m

$167

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/1

6:00 am-1:58 pm

1 stop6h 58m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, February is the cheapest month in which you can book a flight from Las Vegas to Helena (average of $353). Flying from Las Vegas to Helena in July is currently the most expensive (average of $555). 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 LAS to HLN?

Find hourly flight availability from Las Vegas to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Helena as you normally would.

Rainfall in Helena by month

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

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

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

If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Las Vegas to Helena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Cheapflights users have booked flights from Las Vegas to Helena round-trip from $277. Other airlines that can offer you cheap pricing are Alaska Airlines, from $330, and United Airlines, from $470. You may be able to fly from Las Vegas to Helena for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Las Vegas to Helena one-way?

    $138 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Hawaiian Airlines, with prices starting from $139 and $167, respectively.

  • 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, February is the cheapest month in which you can book a flight from Las Vegas to Helena (average of $353). Flying from Las Vegas to Helena in July is currently the most expensive (average of $555). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$306FlexibilityNo cancel feeOn-timeN/A

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