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Cheap flights from Las Vegas to Helena from $215

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 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
7:14 pm - 5:55 pmLAS-HLN
21h 41m1 stop
Alaska Airlines Logo
6:32 pm - 11:48 pmHLN-LAS
6h 16m1 stop
$358Alaska Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Alaska Airlines Logo
6:19 pm - 5:55 pmLAS-HLN
22h 36m2 stops
Alaska Airlines Logo
6:32 pm - 11:48 pmHLN-LAS
6h 16m1 stop
$363Alaska Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Alaska Airlines Logo
11:09 am - 5:41 pmLAS-HLN
5h 32m1 stop
Alaska Airlines Logo
6:13 pm - 11:18 amHLN-LAS
18h 05m1 stop
$457Alaska Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
Alaska Airlines Logo
8:00 am - 5:36 pmLAS-HLN
8h 36m1 stop
Alaska Airlines Logo
6:13 pm - 11:18 amHLN-LAS
18h 05m1 stop
$469Alaska Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Alaska Airlines Logo
8:00 am - 5:36 pmLAS-HLN
8h 36m1 stop
Alaska Airlines Logo
6:13 pm - 11:50 amHLN-LAS
18h 37m2 stops
$499Alaska Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Alaska Airlines Logo
11:09 am - 5:41 pmLAS-HLN
5h 32m1 stop
Alaska Airlines Logo
6:13 pm - 10:26 pmHLN-LAS
29h 13m2 stops
$553Alaska Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
Alaska Airlines Logo
6:02 pm - 5:36 pmLAS-HLN
22h 34m2 stops
Alaska Airlines Logo
6:13 pm - 8:21 pmHLN-LAS
27h 08m2 stops
$557Alaska Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Alaska Airlines Logo
7:00 am - 5:55 pmLAS-HLN
9h 55m2 stops
Alaska Airlines Logo
6:32 pm - 9:10 amHLN-LAS
15h 38m2 stops
$582Alaska Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
United Airlines Logo
7:45 am - 9:00 pmLAS-HLN
12h 15m2 stops
United Airlines Logo
6:40 am - 6:35 pmHLN-LAS
12h 55m2 stops
$770United Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28

Alaska Airlines flights from Las Vegas to Helena

Our best Alaska Airlines deals on Las Vegas to Helena flight tickets
Alaska Airlines
Dec 24
LAS7:14 pmLas Vegas Harry Reid Intl
21h 41m
1 stop
HLN5:55 pmHelena
Dec 31
HLN6:32 pmHelena
6h 16m
1 stop
LAS11:48 pmLas Vegas Harry Reid Intl
$358
Find similar
Alaska Airlines
Dec 24
LAS6:19 pmLas Vegas Harry Reid Intl
22h 36m
2 stops
HLN5:55 pmHelena
Dec 31
HLN6:32 pmHelena
6h 16m
1 stop
LAS11:48 pmLas Vegas Harry Reid Intl
$363
Find similar
Alaska Airlines
Oct 24
LAS11:09 amLas Vegas Harry Reid Intl
5h 32m
1 stop
HLN5:41 pmHelena
Oct 28
HLN6:13 pmHelena
18h 05m
1 stop
LAS11:18 amLas Vegas Harry Reid Intl
$457
Find similar

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 October 9, 2025.
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

Wed 12/24

7:14 pm-5:55 pm

1 stop21h 41m

Helena

Wed 12/31

6:32 pm-11:48 pm

1 stop6h 16m

$358

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 12/24

6:19 pm-5:55 pm

2 stops22h 36m

Helena

Wed 12/31

6:32 pm-11:48 pm

1 stop6h 16m

$363

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 10/24

11:09 am-5:41 pm

1 stop5h 32m

Helena

Tue 10/28

6:13 pm-11:18 am

1 stop18h 05m

$457

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 10/27

8:00 am-5:36 pm

1 stop8h 36m

Helena

Thu 10/30

6:13 pm-11:18 am

1 stop18h 05m

$469

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 10/27

8:00 am-5:36 pm

1 stop8h 36m

Helena

Thu 10/30

6:13 pm-11:50 am

2 stops18h 37m

$499

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 10/24

11:09 am-5:41 pm

1 stop5h 32m

Helena

Tue 10/28

6:13 pm-10:26 pm

2 stops29h 13m

$553

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 10/27

6:02 pm-5:36 pm

2 stops22h 34m

Helena

Thu 10/30

6:13 pm-8:21 pm

2 stops27h 08m

$557

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 12/24

7:00 am-5:55 pm

2 stops9h 55m

Helena

Wed 12/31

6:32 pm-9:10 am

2 stops15h 38m

$582

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 10/24

7:45 am-9:00 pm

2 stops12h 15m

Helena

Tue 10/28

6:40 am-6:35 pm

2 stops12h 55m

$770

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 12/8

6:00 am-5:51 pm

1 stop10h 51m

$215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 day to depart on your flight to Helena?

The cheapest day to depart from Las Vegas to Helena is on a Thursday. Travelers who choose to depart for Helena on a Thursday will often find tickets for as low as $309. The most expensive day to fly to Helena is Saturday, with ticket prices averaging around $508.

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

Direct flights

None
There are no direct flights from Las Vegas to Helena. There are no popular flight routes from Las Vegas to Helena.
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  • 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 32m.

  • 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
DeltaPriceFrom $254Free CancellationRating
7.9
7,969 reviews
Search Delta 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.

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