HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$139+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — HLN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Las Vegas to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2025.

Round-trip from

$437
(Delta)

One-way from

$139
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$370
From Las Vegas Harry Reid Intl to Helena
Search Deals
One-way flight from Las Vegas Harry Reid Intl to Helena
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
Tue 8/125:19 pmLAS - HLN
1 stop3h 54mDelta
Fri 8/155:50 amHLN - LAS
1 stop3h 44mDelta
Deal found 7/29$437
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:00 amLAS - HLN
1 stop6h 31mAlaska Airlines
Fri 8/154:08 pmHLN - LAS
2 stops8h 51mAlaska Airlines
Deal found 7/29$606
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/126:00 amLAS - HLN
1 stop6h 58mUnited Airlines
Fri 8/155:39 pmHLN - LAS
2 stops17h 29mUnited Airlines
Deal found 7/28$635

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 July 29, 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

Tue 8/12

5:19 pm-10:13 pm

1 stop3h 54m

Helena

Fri 8/15

5:50 am-8:34 am

1 stop3h 44m

$437

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 8/12

8:00 am-3:31 pm

1 stop6h 31m

Helena

Fri 8/15

4:08 pm-11:59 pm

2 stops8h 51m

$606

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 8/12

6:00 am-1:58 pm

1 stop6h 58m

Helena

Fri 8/15

5:39 pm-10:08 am

2 stops17h 29m

$635

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 9/9

7:45 am-3:21 pm

1 stop6h 36m

$139

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 9/9

5:19 pm-10:13 pm

1 stop3h 54m

$140

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/15

2:45 pm-4:55 pm

2 stops25h 10m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 May is currently the most expensive (average of $517). 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 July 29, 2025.
Read through reviews of airlines operating flights from Las Vegas to Helena, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $437. Other airlines that can offer you cheap pricing are Alaska Airlines, from $606, and United Airlines, from $635.

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

    $139 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 United Airlines, with prices starting from $140 and $390, 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 May is currently the most expensive (average of $517). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$274FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.