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Cheap flights from Helena to Las Vegas from $228

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Las Vegas departing on 7/28. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:11 pm - 5:23 pm
HLN
-
LAS
25h 12m
1 stop
Alaska Airlines Logo
1:40 pm - 4:34 pm
LAS
-
HLN
25h 54m
1 stop
$383Alaska Airlines
Sat, Aug 29 - Tue, Sep 1
Alaska Airlines Logo
4:48 pm - 6:12 pm
HLN
-
LAS
26h 24m
1 stop
Alaska Airlines Logo
7:00 am - 4:11 pm
LAS
-
HLN
8h 11m
1 stop
$403Alaska Airlines
Sat, Oct 3 - Wed, Oct 7
Alaska Airlines Logo
4:48 pm - 7:53 pm
HLN
-
LAS
28h 05m
1 stop
Alaska Airlines Logo
6:00 am - 4:11 pm
LAS
-
HLN
9h 11m
1 stop
$413Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
5:11 pm - 11:17 pm
HLN
-
LAS
7h 06m
1 stop
Alaska Airlines Logo
7:00 am - 4:34 pm
LAS
-
HLN
8h 34m
2 stops
$416Alaska Airlines
Sat, Aug 29 - Tue, Sep 1
Alaska Airlines Logo
5:18 pm - 4:11 pm
HLN
-
LAS
23h 53m
1 stop
Alaska Airlines Logo
7:00 am - 4:11 pm
LAS
-
HLN
8h 11m
1 stop
$423Alaska Airlines
Fri, Oct 2 - Wed, Oct 7
Alaska Airlines Logo
4:48 pm - 6:28 pm
HLN
-
LAS
26h 40m
2 stops
Alaska Airlines Logo
6:00 am - 4:11 pm
LAS
-
HLN
9h 11m
1 stop
$432Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
5:18 pm - 3:00 pm
HLN
-
LAS
22h 42m
1 stop
Alaska Airlines Logo
8:58 pm - 4:11 pm
LAS
-
HLN
18h 13m
1 stop
$433Alaska Airlines
Fri, Oct 2 - Mon, Oct 5
Alaska Airlines Logo
4:48 pm - 6:28 pm
HLN
-
LAS
26h 40m
2 stops
Alaska Airlines Logo
6:00 am - 4:11 pm
LAS
-
HLN
9h 11m
1 stop
$436Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
4:48 pm - 6:28 pm
HLN
-
LAS
26h 40m
2 stops
Alaska Airlines Logo
7:00 am - 4:11 pm
LAS
-
HLN
8h 11m
2 stops
$439Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
Alaska Airlines Logo
5:32 pm - 11:17 pm
HLN
-
LAS
6h 45m
1 stop
Alaska Airlines Logo
2:51 pm - 4:34 pm
LAS
-
HLN
24h 43m
2 stops
$446Alaska Airlines
Sat, Aug 22 - Wed, Aug 26

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Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Aug 29
HLN5:11 pmHelena
25h 12m
1 stop
LAS5:23 pmLas Vegas Harry Reid Intl
Sep 1
LAS1:40 pmLas Vegas Harry Reid Intl
25h 54m
1 stop
HLN4:34 pmHelena
$383
Alaska Airlines
Oct 3
HLN4:48 pmHelena
26h 24m
1 stop
LAS6:12 pmLas Vegas Harry Reid Intl
Oct 7
LAS7:00 amLas Vegas Harry Reid Intl
8h 11m
1 stop
HLN4:11 pmHelena
$403
Alaska Airlines
Oct 20
HLN4:48 pmHelena
28h 05m
1 stop
LAS7:53 pmLas Vegas Harry Reid Intl
Oct 24
LAS6:00 amLas Vegas Harry Reid Intl
9h 11m
1 stop
HLN4:11 pmHelena
$413

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Jul 30
HLN12:55 pmHelena
6h 09m
1 stop
LAS6:04 pmLas Vegas Harry Reid Intl
Aug 4
LAS6:00 amLas Vegas Harry Reid Intl
5h 15m
1 stop
HLN12:15 pmHelena
$473
Delta
Oct 5
HLN12:57 pmHelena
11h 08m
2 stops
LAS11:05 pmLas Vegas Harry Reid Intl
Oct 6
LAS6:10 amLas Vegas Harry Reid Intl
5h 14m
1 stop
HLN12:24 pmHelena
$474
Delta
Aug 4
HLN5:40 amHelena
4h 13m
1 stop
LAS8:53 amLas Vegas Harry Reid Intl
Aug 10
LAS5:02 pmLas Vegas Harry Reid Intl
4h 28m
1 stop
HLN10:30 pmHelena
$475

momondo 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Helena to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/29

5:11 pm-5:23 pm

1 stop25h 12m

Las Vegas Harry Reid Intl

Tue 9/1

1:40 pm-4:34 pm

1 stop25h 54m

$383

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 10/3

4:48 pm-6:12 pm

1 stop26h 24m

Las Vegas Harry Reid Intl

Wed 10/7

7:00 am-4:11 pm

1 stop8h 11m

$403

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/20

4:48 pm-7:53 pm

1 stop28h 05m

Las Vegas Harry Reid Intl

Sat 10/24

6:00 am-4:11 pm

1 stop9h 11m

$413
Quickest round-trip

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/29

5:11 pm-11:17 pm

1 stop7h 06m

Las Vegas Harry Reid Intl

Tue 9/1

7:00 am-4:34 pm

2 stops8h 34m

$416

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 10/2

5:18 pm-4:11 pm

1 stop23h 53m

Las Vegas Harry Reid Intl

Wed 10/7

7:00 am-4:11 pm

1 stop8h 11m

$423

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/20

4:48 pm-6:28 pm

2 stops26h 40m

Las Vegas Harry Reid Intl

Sat 10/24

6:00 am-4:11 pm

1 stop9h 11m

$432

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 10/2

5:18 pm-3:00 pm

1 stop22h 42m

Las Vegas Harry Reid Intl

Mon 10/5

8:58 pm-4:11 pm

1 stop18h 13m

$433

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/20

4:48 pm-6:28 pm

2 stops26h 40m

Las Vegas Harry Reid Intl

Sat 10/24

6:00 am-4:11 pm

1 stop9h 11m

$436

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/20

4:48 pm-6:28 pm

2 stops26h 40m

Las Vegas Harry Reid Intl

Sat 10/24

7:00 am-4:11 pm

2 stops8h 11m

$439

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/22

5:32 pm-11:17 pm

1 stop6h 45m

Las Vegas Harry Reid Intl

Wed 8/26

2:51 pm-4:34 pm

2 stops24h 43m

$446

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 Las Vegas from

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

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 typical price of a round-trip flight between Helena and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from Helena, with most prices found around $273. The month of April is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $336.

When to book flights from Helena to Las Vegas

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

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

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

Fastest flight time

4h 05m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 4h 05m
There are no direct flights from Helena to Las Vegas. There are no popular flight routes from Helena to Las Vegas.
Search flight deals

Frequently asked questions about flying from Helena to Las Vegas

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

    Helena and Las Vegas Harry Reid Intl are 736.9 mi apart from one another. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Helena Airport to Las Vegas Harry Reid Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Helena to Las Vegas

Compare and see reviews for airlines that fly from Helena to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
DeltaPriceFrom $250Free CancellationRating
7.8
8,424 reviews
Search Delta flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Paradise
Henderson
North Las Vegas
Kingman
Mesquite
Sunrise Manor
Pahrump
Furnace Creek
Primm
Boulder City
Winchester
Needles

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Las Vegas from Helena with this policy.

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

Once you have performed a search for Helena to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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