HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Las Vegas

$128+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to Las Vegas 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 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:36 pm
HLN
-
LAS
1 stop7h 20m
Hawaiian Airlines
Tue 3/37:00 am
LAS
-
HLN
1 stop7h 59m
Hawaiian Airlines
Deal found 1/27$216
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:36 pm
HLN
-
LAS
1 stop8h 19m
Alaska Airlines
Fri 2/276:00 am
LAS
-
HLN
1 stop8h 59m
Alaska Airlines
Deal found 1/27$236
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 12/84:08 pm
HLN
-
LAS
1 stop6h 19m
Alaska Airlines
Tue 12/155:45 pm
LAS
-
HLN
1 stop20h 46m
Alaska Airlines
Deal found 1/26$269
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/142:25 pm
HLN
-
LAS
1 stop7h 06m
United Airlines
Wed 2/187:30 am
LAS
-
HLN
1 stop5h 10m
United Airlines
Deal found 1/28$274
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 5/264:43 pm
HLN
-
LAS
1 stop6h 50m
Alaska Airlines
Sat 5/307:00 am
LAS
-
HLN
1 stop8h 06m
Alaska Airlines
Deal found 1/28$296
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:08 pm
HLN
-
LAS
1 stop5h 32m
Alaska Airlines
Thu 10/157:00 am
LAS
-
HLN
1 stop7h 31m
Alaska Airlines
Deal found 1/26$299
This Delta deal was found by Cheapflights users on 1/29. 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.
Mon 5/255:45 am
HLN
-
LAS
1 stop4h 05m
Delta
Fri 5/296:10 am
LAS
-
HLN
1 stop5h 13m
Delta
Deal found 1/29$303
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:02 pm
HLN
-
LAS
1 stop6h 06m
Delta
Thu 4/96:00 am
LAS
-
HLN
1 stop5h 21m
Delta
Deal found 1/28$315
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 3/24:36 pm
HLN
-
LAS
2 stops42h 31m
Alaska Airlines
Thu 3/57:00 am
LAS
-
HLN
1 stop7h 59m
Alaska Airlines
Deal found 1/27$327
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/112:30 pm
HLN
-
LAS
1 stop7h 31m
United Airlines
Sun 3/155:30 am
LAS
-
HLN
1 stop7h 08m
United Airlines
Deal found 1/27$329
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/112:27 pm
HLN
-
LAS
1 stop7h 05m
United Airlines
Sun 2/155:20 am
LAS
-
HLN
1 stop7h 20m
United Airlines
Deal found 1/26$334

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$128
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$338
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

Wed 2/25

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Fri 2/27

7:59 pm-3:59 pm

2 stops19h 00m

$255

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 3/2

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Thu 3/5

6:00 am-3:59 pm

1 stop8h 59m

$255

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 4/29

6:22 pm-10:53 pm

1 stop5h 31m

Las Vegas Harry Reid Intl

Sat 5/2

8:00 am-5:45 pm

1 stop8h 45m

$255

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 2/14

2:25 pm-8:31 pm

1 stop7h 06m

Las Vegas Harry Reid Intl

Wed 2/18

5:20 am-1:40 pm

1 stop7h 20m

$274

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 5/25

4:43 pm-10:33 pm

1 stop6h 50m

Las Vegas Harry Reid Intl

Sat 5/30

7:00 am-4:06 pm

1 stop8h 06m

$296

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 5/26

4:43 pm-10:33 pm

1 stop6h 50m

Las Vegas Harry Reid Intl

Thu 5/28

6:00 am-4:06 pm

1 stop9h 06m

$296

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 5/26

4:43 pm-10:33 pm

1 stop6h 50m

Las Vegas Harry Reid Intl

Sat 5/30

7:00 am-4:06 pm

1 stop8h 06m

$296

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 5/26

5:45 am-8:50 am

1 stop4h 05m

Las Vegas Harry Reid Intl

Sat 5/30

6:10 am-12:23 pm

1 stop5h 13m

$303

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 5/25

5:45 am-8:50 am

1 stop4h 05m

Las Vegas Harry Reid Intl

Fri 5/29

6:10 am-12:23 pm

1 stop5h 13m

$303

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Thu 4/2

1:02 pm-6:08 pm

1 stop6h 06m

Las Vegas Harry Reid Intl

Thu 4/9

6:00 am-12:21 pm

1 stop5h 21m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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, 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 June is currently the most expensive (average of $105). 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.

How much does it cost to fly round-trip from Helena to Las Vegas?

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 January 29, 2026.
Read reviews from past customers who have flown 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.
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,128 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,128 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 7h 06m. Alaska Airlines provides one of the quickest options available for as low as $274. 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?

    United Airlines, at $224, was found to be the cheapest airline from Helena to Las Vegas. An alternate airline flying to your destination would be Delta. You may be able to fly from Helena to Las Vegas for 39% 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 June is currently the most expensive (average of $105). 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
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Boulder City
Needles
Sunrise Manor

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 2 airlines flying from Helena to Las Vegas

Discover the top 2 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$224Average$391FlexibilityNo cancel feeOn-time69%
DeltaCheapest$238Average$372FlexibilityNo 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.