HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$150+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — HLN
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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

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 March 11, 2026.

This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
LAS
-
HLN
1 stop9h 45m
Alaska Airlines
Mon 4/276:22 pm
HLN
-
LAS
1 stop5h 31m
Alaska Airlines
Deal found 3/9$251
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Thu 11/128:00 am
LAS
-
HLN
1 stop6h 31m
Alaska Airlines
Sat 11/144:08 pm
HLN
-
LAS
1 stop6h 19m
Alaska Airlines
Deal found 3/8$289
This United Airlines deal was found by Cheapflights users on 3/6. 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 3/215:30 am
LAS
-
HLN
1 stop7h 08m
United Airlines
Wed 3/252:30 pm
HLN
-
LAS
1 stop7h 31m
United Airlines
Deal found 3/6$299
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 3/235:30 am
LAS
-
HLN
1 stop7h 08m
United Airlines
Fri 3/276:15 am
HLN
-
LAS
1 stop5h 32m
United Airlines
Deal found 3/8$363
This Expedia deal was found by Cheapflights users on 3/8. 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.
Mon 3/166:00 am
LAS
-
HLN
1 stop8h 59m
Alaska Airlines
Fri 3/276:22 pm
HLN
-
LAS
1 stop6h 37m
Alaska Airlines
Deal found 3/8$367
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:30 am
LAS
-
HLN
1 stop7h 08m
United Airlines
Sun 3/222:30 pm
HLN
-
LAS
1 stop7h 31m
United Airlines
Deal found 3/9$389
This Delta deal was found by Cheapflights users on 3/7. 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 3/145:00 pm
LAS
-
HLN
1 stop4h 30m
Delta
Tue 3/171:02 pm
HLN
-
LAS
1 stop6h 06m
Delta
Deal found 3/7$399
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/239:40 am
LAS
-
HLN
1 stop7h 05m
Alaska Airlines
Thu 4/306:22 pm
HLN
-
LAS
2 stops25h 52m
Alaska Airlines
Deal found 3/9$412

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(Expedia)

One-way from

$150
(Delta)

Popular in

April

Cheapest in

September

Average price

$437
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.
Search Deals
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. 15% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 11, 2026.
Use the filters below to find and compare flights from Las Vegas to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 3/21

5:30 am-1:38 pm

1 stop7h 08m

Helena

Wed 3/25

2:30 pm-9:01 pm

1 stop7h 31m

$299
Quickest round-trip

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 8/15

1:37 pm-9:16 pm

1 stop6h 39m

Helena

Tue 8/18

6:15 am-10:36 am

1 stop5h 21m

$309

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 3/23

5:30 am-1:38 pm

1 stop7h 08m

Helena

Fri 3/27

6:15 am-10:47 am

1 stop5h 32m

$363

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

10:45 am-5:45 pm

1 stop6h 00m

Helena

Thu 4/30

6:22 pm-11:59 pm

1 stop6h 37m

$421

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 8/15

10:29 am-4:49 pm

1 stop5h 20m

Helena

Tue 8/18

5:26 pm-5:52 pm

2 stops25h 26m

$453

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 3/23

7:59 pm-5:45 pm

2 stops20h 46m

Helena

Fri 3/27

6:22 pm-11:59 pm

1 stop6h 37m

$531

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 3/21

8:00 am-5:45 pm

1 stop8h 45m

Helena

Wed 3/25

6:22 pm-9:46 am

2 stops16h 24m

$560

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 4/22

8:00 am-9:33 pm

2 stops12h 33m

Helena

Mon 4/27

2:25 pm-11:55 pm

2 stops10h 30m

$925
Cheapest one-way

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 3/25

6:00 am-12:21 pm

1 stop5h 21m

$150

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 4/27

6:42 pm-5:45 pm

2 stops22h 03m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Helena flight deals on Cheapflights vs. FlightHub >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 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 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, November 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 January is currently the most expensive (average of $170). 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 Las Vegas to Helena?

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 6h. United Airlines provides one of the quickest options available for as low as $421. The distance between Las Vegas and Helena is about 745 mi. This flight may include one or multiple stops.

  • 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, November 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 January is currently the most expensive (average of $170). 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.

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.