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Cheap flights from Las Vegas to Helena from $139

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 9/9. 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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Find the cheapest flights from Las Vegas to Helena (LAS-HLN)

Cheap round-trip flights

Alaska Airlines Logo
10:08 am - 5:36 pmLAS-HLN
6h 28m1 stop
Alaska Airlines Logo
6:13 pm - 10:50 pmHLN-LAS
5h 37m1 stop
$282Alaska Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 16
Alaska Airlines Logo
7:00 am - 5:36 pmLAS-HLN
9h 36m2 stops
Alaska Airlines Logo
6:13 pm - 10:50 pmHLN-LAS
5h 37m1 stop
$308Alaska Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 16
Delta Logo
6:10 am - 12:24 pmLAS-HLN
5h 14m1 stop
Delta Logo
5:40 am - 8:54 amHLN-LAS
4h 14m1 stop
$342Delta
Find Deal
Fri, Nov 14 - Sun, Nov 16
Alaska Airlines Logo
6:01 am - 5:36 pmLAS-HLN
10h 35m2 stops
Alaska Airlines Logo
6:13 pm - 10:50 pmHLN-LAS
5h 37m1 stop
$343Alaska Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
6:00 am - 1:30 pmLAS-HLN
6h 30m1 stop
United Airlines Logo
5:18 pm - 9:57 pmHLN-LAS
5h 39m1 stop
$366United Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
Alaska Airlines Logo
7:39 pm - 3:21 pmLAS-HLN
18h 42m2 stops
Alaska Airlines Logo
4:02 pm - 11:26 pmHLN-LAS
8h 24m2 stops
$403Alaska Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
United Airlines Logo
6:00 am - 1:30 pmLAS-HLN
6h 30m1 stop
United Airlines Logo
5:20 pm - 9:59 pmHLN-LAS
5h 39m1 stop
$437United Airlines
Find Deal
Mon, Sep 1 - Fri, Sep 5
United Airlines Logo
6:00 am - 1:30 pmLAS-HLN
6h 30m1 stop
United Airlines Logo
2:44 pm - 9:37 amHLN-LAS
19h 53m2 stops
$445United Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25
Delta Logo
6:15 am - 12:20 pmLAS-HLN
5h 05m1 stop
Delta Logo
1:00 pm - 11:18 pmHLN-LAS
11h 18m2 stops
$1,154Delta
Find Deal
Fri, Aug 29 - Tue, Sep 2
Delta Logo
1:35 pm - 10:13 pmLAS-HLN
7h 38m2 stops
Delta Logo
1:00 pm - 11:18 pmHLN-LAS
11h 18m2 stops
$1,772Delta
Find Deal
Fri, Aug 29 - Tue, Sep 2

Alaska Airlines flights from Las Vegas to Helena

Our best Alaska Airlines deals on Las Vegas to Helena flight tickets
Alaska Airlines
Nov 15
LAS10:08 amLas Vegas Harry Reid Intl
6h 28m
1 stop
HLN5:36 pmHelena
Nov 16
HLN6:13 pmHelena
5h 37m
1 stop
LAS10:50 pmLas Vegas Harry Reid Intl
$282
Find similar
Alaska Airlines
Nov 15
LAS7:00 amLas Vegas Harry Reid Intl
9h 36m
2 stops
HLN5:36 pmHelena
Nov 16
HLN6:13 pmHelena
5h 37m
1 stop
LAS10:50 pmLas Vegas Harry Reid Intl
$308
Find similar
Alaska Airlines
Nov 14
LAS6:01 amLas Vegas Harry Reid Intl
10h 35m
2 stops
HLN5:36 pmHelena
Nov 16
HLN6:13 pmHelena
5h 37m
1 stop
LAS10:50 pmLas Vegas Harry Reid Intl
$343
Find similar

Delta flights from Las Vegas to Helena

Our best Delta deals on Las Vegas to Helena flight tickets
Delta
Nov 14
LAS6:10 amLas Vegas Harry Reid Intl
5h 14m
1 stop
HLN12:24 pmHelena
Nov 16
HLN5:40 amHelena
4h 14m
1 stop
LAS8:54 amLas Vegas Harry Reid Intl
$342
Find similar
Delta
Aug 27
LAS6:15 amLas Vegas Harry Reid Intl
5h 05m
1 stop
HLN12:20 pmHelena
Sep 1
HLN5:50 amHelena
3h 44m
1 stop
LAS8:34 amLas Vegas Harry Reid Intl
$529
Find similar
Delta
Aug 21
LAS6:15 amLas Vegas Harry Reid Intl
5h 05m
1 stop
HLN12:20 pmHelena
Aug 24
HLN1:00 pmHelena
6h 06m
1 stop
LAS6:06 pmLas Vegas Harry Reid Intl
$621
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 August 18, 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

Sat 11/15

10:08 am-5:36 pm

1 stop6h 28m

Helena

Sun 11/16

6:13 pm-10:50 pm

1 stop5h 37m

$282

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Sat 11/15

7:00 am-5:36 pm

2 stops9h 36m

Helena

Sun 11/16

6:13 pm-10:50 pm

1 stop5h 37m

$308

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 11/14

6:10 am-12:24 pm

1 stop5h 14m

Helena

Sun 11/16

5:40 am-8:54 am

1 stop4h 14m

$342

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 11/14

6:01 am-5:36 pm

2 stops10h 35m

Helena

Sun 11/16

6:13 pm-10:50 pm

1 stop5h 37m

$343

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 9/22

6:00 am-1:30 pm

1 stop6h 30m

Helena

Thu 9/25

5:18 pm-9:57 pm

1 stop5h 39m

$366

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 9/22

7:39 pm-3:21 pm

2 stops18h 42m

Helena

Thu 9/25

4:02 pm-11:26 pm

2 stops8h 24m

$403

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 9/1

6:00 am-1:30 pm

1 stop6h 30m

Helena

Fri 9/5

5:20 pm-9:59 pm

1 stop5h 39m

$437

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 9/22

6:00 am-1:30 pm

1 stop6h 30m

Helena

Thu 9/25

2:44 pm-9:37 am

2 stops19h 53m

$445

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/29

6:15 am-12:20 pm

1 stop5h 05m

Helena

Tue 9/2

1:00 pm-11:18 pm

2 stops11h 18m

$1,154

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/29

1:35 pm-10:13 pm

2 stops7h 38m

Helena

Tue 9/2

1:00 pm-11:18 pm

2 stops11h 18m

$1,772

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 month to fly to Helena?

If you aren’t able to travel to Helena during the month of October, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $264.

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

Best Price Found

$139

Fastest flight time

4h 54m

Direct flights

None

Airports in Helena

1 airport
The best one-way flight to Helena from Las Vegas in the past 72 hours is $139. The best round-trip flight deal from Las Vegas to Helena found on momondo in the last 72 hours is $282.
The fastest flight from Las Vegas to Helena takes 4h 54m
There are no direct flights from Las Vegas to Helena. Popular non-direct route for this connection is Las Vegas Harry Reid Intl Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)
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 4h 54m.

  • 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
8.0
7,981 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.

An easier way to manage your Helena trip

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