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Cheap flights from Helena to Las Vegas from $289

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 7/17. 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
5:32 pm - 11:17 pm
HLN
-
LAS
6h 45m
1 stop
Alaska Airlines Logo
10:30 am - 4:34 pm
LAS
-
HLN
5h 04m
1 stop
$343Alaska Airlines
Sat, Aug 22 - Wed, Aug 26
Alaska Airlines Logo
5:11 pm - 6:54 pm
HLN
-
LAS
26h 43m
1 stop
Alaska Airlines Logo
10:30 am - 4:41 pm
LAS
-
HLN
5h 11m
1 stop
$353Alaska Airlines
Mon, Aug 31 - Wed, Sep 30
Alaska Airlines Logo
5:09 pm - 10:29 am
HLN
-
LAS
18h 20m
1 stop
Alaska Airlines Logo
10:30 am - 4:41 pm
LAS
-
HLN
5h 11m
1 stop
$398Alaska Airlines
Sat, Aug 15 - Tue, Sep 15
Alaska Airlines Logo
5:11 pm - 11:17 pm
HLN
-
LAS
7h 06m
1 stop
Alaska Airlines Logo
3:11 pm - 4:34 pm
LAS
-
HLN
48h 23m
2 stops
$418Alaska Airlines
Sat, Aug 29 - Mon, Aug 31
Alaska Airlines Logo
5:18 pm - 7:53 pm
HLN
-
LAS
27h 35m
1 stop
Alaska Airlines Logo
5:08 pm - 4:11 pm
LAS
-
HLN
22h 03m
1 stop
$423Alaska Airlines
Fri, Oct 2 - Tue, Oct 6
Alaska Airlines Logo
5:11 pm - 11:17 pm
HLN
-
LAS
7h 06m
1 stop
Alaska Airlines Logo
6:12 pm - 4:34 pm
LAS
-
HLN
21h 22m
1 stop
$425Alaska Airlines
Sat, Aug 29 - Mon, Aug 31
Alaska Airlines Logo
5:18 pm - 3:32 pm
HLN
-
LAS
23h 14m
1 stop
Alaska Airlines Logo
4:25 pm - 4:41 pm
LAS
-
HLN
23h 16m
1 stop
$428Alaska Airlines
Sun, Sep 20 - Fri, Sep 25
Alaska Airlines Logo
5:11 pm - 11:17 pm
HLN
-
LAS
7h 06m
1 stop
Alaska Airlines Logo
3:11 pm - 4:34 pm
LAS
-
HLN
24h 23m
2 stops
$431Alaska Airlines
Sat, Aug 29 - Tue, Sep 1
Alaska Airlines Logo
5:32 pm - 2:11 pm
HLN
-
LAS
21h 39m
2 stops
Alaska Airlines Logo
8:02 am - 4:34 pm
LAS
-
HLN
7h 32m
1 stop
$433Alaska Airlines
Sat, Aug 22 - Wed, Aug 26
Delta Logo
12:55 pm - 11:06 pm
HLN
-
LAS
11h 11m
2 stops
Delta Logo
12:53 pm - 10:30 pm
LAS
-
HLN
8h 37m
2 stops
$439Delta
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 22
HLN5:32 pmHelena
6h 45m
1 stop
LAS11:17 pmLas Vegas Harry Reid Intl
Aug 26
LAS10:30 amLas Vegas Harry Reid Intl
5h 04m
1 stop
HLN4:34 pmHelena
$343
Alaska Airlines
Aug 31
HLN5:11 pmHelena
26h 43m
1 stop
LAS6:54 pmLas Vegas Harry Reid Intl
Sep 30
LAS10:30 amLas Vegas Harry Reid Intl
5h 11m
1 stop
HLN4:41 pmHelena
$353
Alaska Airlines
Aug 15
HLN5:09 pmHelena
18h 20m
1 stop
LAS10:29 amLas Vegas Harry Reid Intl
Sep 15
LAS10:30 amLas Vegas Harry Reid Intl
5h 11m
1 stop
HLN4:41 pmHelena
$398

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Aug 22
HLN12:55 pmHelena
11h 11m
2 stops
LAS11:06 pmLas Vegas Harry Reid Intl
Aug 26
LAS12:53 pmLas Vegas Harry Reid Intl
8h 37m
2 stops
HLN10:30 pmHelena
$439
Delta
Aug 31
HLN12:55 pmHelena
11h 11m
2 stops
LAS11:06 pmLas Vegas Harry Reid Intl
Sep 30
LAS1:22 pmLas Vegas Harry Reid Intl
8h 02m
2 stops
HLN10:24 pmHelena
$449
Delta
Aug 15
HLN12:55 pmHelena
9h 13m
2 stops
LAS9:08 pmLas Vegas Harry Reid Intl
Sep 15
LAS1:22 pmLas Vegas Harry Reid Intl
8h 02m
2 stops
HLN10:24 pmHelena
$483

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 July 8, 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
Quickest round-trip

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

10:30 am-4:34 pm

1 stop5h 04m

$343

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 8/31

5:11 pm-6:54 pm

1 stop26h 43m

Las Vegas Harry Reid Intl

Wed 9/30

10:30 am-4:41 pm

1 stop5h 11m

$353

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/15

5:09 pm-10:29 am

1 stop18h 20m

Las Vegas Harry Reid Intl

Tue 9/15

10:30 am-4:41 pm

1 stop5h 11m

$398

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/29

5:11 pm-11:17 pm

1 stop7h 06m

Las Vegas Harry Reid Intl

Mon 8/31

3:11 pm-4:34 pm

2 stops48h 23m

$418

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 10/2

5:18 pm-7:53 pm

1 stop27h 35m

Las Vegas Harry Reid Intl

Tue 10/6

5:08 pm-4:11 pm

1 stop22h 03m

$423

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/29

5:11 pm-11:17 pm

1 stop7h 06m

Las Vegas Harry Reid Intl

Mon 8/31

6:12 pm-4:34 pm

1 stop21h 22m

$425

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 9/20

5:18 pm-3:32 pm

1 stop23h 14m

Las Vegas Harry Reid Intl

Fri 9/25

4:25 pm-4:41 pm

1 stop23h 16m

$428

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

3:11 pm-4:34 pm

2 stops24h 23m

$431

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/22

5:32 pm-2:11 pm

2 stops21h 39m

Las Vegas Harry Reid Intl

Wed 8/26

8:02 am-4:34 pm

1 stop7h 32m

$433

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 8/22

12:55 pm-11:06 pm

2 stops11h 11m

Las Vegas Harry Reid Intl

Wed 8/26

12:53 pm-10:30 pm

2 stops8h 37m

$439

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 10m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 4h 10m
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 10m, 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
9,948 reviews
Search United Airlines flights
DeltaPriceFrom $250Free CancellationRating
7.8
8,450 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
Boulder City
Primm
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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