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Cheap flights from Las Vegas to Helena from $127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Helena departing on 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Las Vegas to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:36 am - 5:45 pm
LAS
-
HLN
7h 09m1 stop
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m1 stop
$300Alaska Airlines
Thu, Apr 23 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m2 stops
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m1 stop
$317Alaska Airlines
Thu, Apr 23 - Sat, Apr 25
Alaska Airlines Logo
9:36 am - 5:45 pm
LAS
-
HLN
7h 09m1 stop
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m1 stop
$321Alaska Airlines
Thu, Apr 23 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m2 stops
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m1 stop
$327Alaska Airlines
Thu, Apr 23 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m2 stops
Alaska Airlines Logo
6:22 pm - 3:20 pm
HLN
-
LAS
21h 58m2 stops
$350Alaska Airlines
Thu, Apr 23 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m2 stops
Alaska Airlines Logo
6:22 pm - 8:42 am
HLN
-
LAS
15h 20m2 stops
$365Alaska Airlines
Thu, Apr 23 - Sat, Apr 25
Alaska Airlines Logo
9:37 am - 4:06 pm
LAS
-
HLN
5h 29m1 stop
Alaska Airlines Logo
4:43 pm - 9:00 pm
HLN
-
LAS
5h 17m1 stop
$391Alaska Airlines
Fri, May 29 - Mon, Jun 1
Alaska Airlines Logo
3:58 pm - 6:11 pm
LAS
-
HLN
25h 13m1 stop
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
$477Alaska Airlines
Wed, Jan 21 - Sun, Jan 25
Alaska Airlines Logo
6:00 am - 6:11 pm
LAS
-
HLN
11h 11m2 stops
Alaska Airlines Logo
6:48 pm - 11:12 pm
HLN
-
LAS
5h 24m1 stop
$583Alaska Airlines
Wed, Jan 21 - Sun, Jan 25
Delta Logo
1:05 pm - 10:34 pm
LAS
-
HLN
8h 29m2 stops
Delta Logo
12:50 pm - 4:13 pm
HLN
-
LAS
4h 23m1 stop
$731Delta
Sat, May 30 - Tue, Jun 2

Delta flights from Las Vegas to Helena

Our best Delta deals on Las Vegas to Helena flight tickets
Delta
May 30
LAS1:05 pmLas Vegas Harry Reid Intl
8h 29m
2 stops
HLN10:34 pmHelena
Jun 2
HLN12:50 pmHelena
4h 23m
1 stop
LAS4:13 pmLas Vegas Harry Reid Intl
$731
Delta
May 29
LAS1:05 pmLas Vegas Harry Reid Intl
8h 29m
2 stops
HLN10:34 pmHelena
Jun 1
HLN5:45 amHelena
4h 05m
1 stop
LAS8:50 amLas Vegas Harry Reid Intl
$739
Delta
May 29
LAS1:05 pmLas Vegas Harry Reid Intl
8h 29m
2 stops
HLN10:34 pmHelena
Jun 1
HLN5:45 amHelena
7h 49m
2 stops
LAS12:34 pmLas Vegas Harry Reid Intl
$1,048

Alaska Airlines flights from Las Vegas to Helena

Our best Alaska Airlines deals on Las Vegas to Helena flight tickets
Alaska Airlines
Apr 23
LAS9:36 amLas Vegas Harry Reid Intl
7h 09m
1 stop
HLN5:45 pmHelena
Apr 25
HLN6:22 pmHelena
5h 31m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
$300
Alaska Airlines
Apr 23
LAS7:00 amLas Vegas Harry Reid Intl
9h 45m
2 stops
HLN5:45 pmHelena
Apr 25
HLN6:22 pmHelena
5h 31m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
$317
Alaska Airlines
Apr 23
LAS9:36 amLas Vegas Harry Reid Intl
7h 09m
1 stop
HLN5:45 pmHelena
Apr 25
HLN6:22 pmHelena
5h 31m
1 stop
LAS10:53 pmLas Vegas Harry Reid Intl
$321

momondo 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, momondo users made 832,500 searches. Data last updated January 8, 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

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

9:36 am-5:45 pm

1 stop7h 09m

Helena

Sat 4/25

6:22 pm-10:53 pm

1 stop5h 31m

$300

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

7:00 am-5:45 pm

2 stops9h 45m

Helena

Sat 4/25

6:22 pm-10:53 pm

1 stop5h 31m

$317

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

9:36 am-5:45 pm

1 stop7h 09m

Helena

Sat 4/25

6:22 pm-10:53 pm

1 stop5h 31m

$321

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

7:00 am-5:45 pm

2 stops9h 45m

Helena

Sat 4/25

6:22 pm-10:53 pm

1 stop5h 31m

$327

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

7:00 am-5:45 pm

2 stops9h 45m

Helena

Sat 4/25

6:22 pm-3:20 pm

2 stops21h 58m

$350

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

7:00 am-5:45 pm

2 stops9h 45m

Helena

Sat 4/25

6:22 pm-8:42 am

2 stops15h 20m

$365

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 5/29

9:37 am-4:06 pm

1 stop5h 29m

Helena

Mon 6/1

4:43 pm-9:00 pm

1 stop5h 17m

$391

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 1/21

3:58 pm-6:11 pm

1 stop25h 13m

Helena

Sun 1/25

6:48 pm-11:12 pm

1 stop5h 24m

$477

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 1/21

6:00 am-6:11 pm

2 stops11h 11m

Helena

Sun 1/25

6:48 pm-11:12 pm

1 stop5h 24m

$583

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 5/30

1:05 pm-10:34 pm

2 stops8h 29m

Helena

Tue 6/2

12:50 pm-4:13 pm

1 stop4h 23m

$731

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from Las Vegas to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Helena?

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Las Vegas Harry Reid Intl to Helena

What airlines fly to Helena?

Allegiant Air, Delta and Southwest are the top three most popular airlines that fly to Helena from Las Vegas according to our data. Allegiant Air is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Las Vegas to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Helena (LAS to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Helena

Fastest flight time

5h 11m

Direct flights

None
The fastest flight from Las Vegas to Helena takes 5h 11m
There are no direct flights from Las Vegas to Helena. There are no popular flight routes from Las Vegas to Helena.
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Helena by plane?

    A flight from Las Vegas Harry Reid Intl to Helena will travel around 736.9 mi. By plane, this route typically takes 5h 11m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Helena Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Helena Airport are updated daily.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Helena Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Helena Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Las Vegas to Helena?

Best airlines flying from Las Vegas to Helena

Compare and see reviews for airlines that fly from Las Vegas to Helena with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $328Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Helena?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Las Vegas to Helena. momondo saves you time and could save you money on your trip.

Can I find flights from Las Vegas to Helena with flexible booking policies on momondo?

Flights from Las Vegas to Helena with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Las Vegas to Helena?

Once all potential Las Vegas to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Las Vegas to Helena right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Helena, momondo offers a useful price alert feature which will track prices for flights to Helena from Las Vegas and alert you when they change.

An easier way to manage your Helena trip

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