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Cheap flights from Helena to Las Vegas from $155

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 4/19. 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

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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
6:22 pm - 10:46 pm
HLN
-
LAS
5h 24m
1 stop
Alaska Airlines Logo
10:00 am - 5:45 pm
LAS
-
HLN
6h 45m
1 stop
$309Alaska Airlines
sáb., abr. 18 - mar., abr. 21
Delta Logo
5:30 am - 8:20 am
HLN
-
LAS
3h 50m
1 stop
Delta Logo
5:20 pm - 10:30 pm
LAS
-
HLN
4h 10m
1 stop
$324Delta
vie., abr. 10 - mar., abr. 14
Alaska Airlines Logo
4:43 pm - 10:48 pm
HLN
-
LAS
7h 05m
1 stop
Alaska Airlines Logo
9:57 am - 4:06 pm
LAS
-
HLN
5h 09m
1 stop
$329Alaska Airlines
vie., may. 29 - mar., jun. 2
United Airlines Logo
2:25 pm - 8:58 pm
HLN
-
LAS
7h 33m
1 stop
United Airlines Logo
3:00 pm - 9:33 pm
LAS
-
HLN
5h 33m
1 stop
$334United Airlines
jue., abr. 16 - jue., abr. 23
United Airlines Logo
2:25 pm - 9:08 pm
HLN
-
LAS
7h 43m
1 stop
United Airlines Logo
5:30 am - 1:39 pm
LAS
-
HLN
7h 09m
1 stop
$339United Airlines
sáb., abr. 11 - mar., abr. 14
Delta Logo
5:40 am - 8:18 am
HLN
-
LAS
3h 38m
1 stop
Delta Logo
5:20 pm - 10:30 pm
LAS
-
HLN
4h 10m
1 stop
$342Delta
dom., may. 3 - mié., may. 6
Alaska Airlines Logo
6:22 pm - 10:46 pm
HLN
-
LAS
5h 24m
1 stop
Alaska Airlines Logo
10:00 am - 5:45 pm
LAS
-
HLN
6h 45m
1 stop
$344Alaska Airlines
sáb., abr. 18 - mar., abr. 21
Delta Logo
5:45 am - 8:54 am
HLN
-
LAS
4h 09m
1 stop
Delta Logo
6:10 am - 12:23 pm
LAS
-
HLN
5h 13m
1 stop
$352Delta
lun., may. 25 - sáb., may. 30
Alaska Airlines Logo
6:22 pm - 8:25 am
HLN
-
LAS
15h 03m
2 stops
Alaska Airlines Logo
7:00 am - 5:45 pm
LAS
-
HLN
9h 45m
1 stop
$358Alaska Airlines
sáb., abr. 18 - mar., abr. 21
Delta Logo
1:04 pm - 6:06 pm
HLN
-
LAS
6h 02m
1 stop
Delta Logo
6:05 am - 12:24 pm
LAS
-
HLN
5h 19m
1 stop
$364Delta
mar., abr. 21 - sáb., abr. 25

Alaska Airlines flights from Helena to Las Vegas

Our best Alaska Airlines deals on Helena to Las Vegas flight tickets
Alaska Airlines
Apr 18
HLN6:22 pmHelena
5h 24m
1 stop
LAS10:46 pmLas Vegas Harry Reid Intl
Apr 21
LAS10:00 amLas Vegas Harry Reid Intl
6h 45m
1 stop
HLN5:45 pmHelena
$309
Alaska Airlines
May 29
HLN4:43 pmHelena
7h 05m
1 stop
LAS10:48 pmLas Vegas Harry Reid Intl
Jun 2
LAS9:57 amLas Vegas Harry Reid Intl
5h 09m
1 stop
HLN4:06 pmHelena
$329
Alaska Airlines
Apr 18
HLN6:22 pmHelena
5h 24m
1 stop
LAS10:46 pmLas Vegas Harry Reid Intl
Apr 21
LAS10:00 amLas Vegas Harry Reid Intl
6h 45m
1 stop
HLN5:45 pmHelena
$344

United Airlines flights from Helena to Las Vegas

Our best United Airlines deals on Helena to Las Vegas flight tickets
United Airlines
Apr 16
HLN2:25 pmHelena
7h 33m
1 stop
LAS8:58 pmLas Vegas Harry Reid Intl
Apr 23
LAS3:00 pmLas Vegas Harry Reid Intl
5h 33m
1 stop
HLN9:33 pmHelena
$334
United Airlines
Apr 11
HLN2:25 pmHelena
7h 43m
1 stop
LAS9:08 pmLas Vegas Harry Reid Intl
Apr 14
LAS5:30 amLas Vegas Harry Reid Intl
7h 09m
1 stop
HLN1:39 pmHelena
$339
United Airlines
Mar 30
HLN6:15 amHelena
5h 33m
1 stop
LAS10:48 amLas Vegas Harry Reid Intl
Apr 3
LAS5:30 amLas Vegas Harry Reid Intl
7h 09m
1 stop
HLN1:39 pmHelena
$445

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 marzo 26, 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

sáb. 4/18

6:22 pm-10:46 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

mar. 4/21

10:00 am-5:45 pm

1 stop6h 45m

$309

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

vie. 4/10

5:30 am-8:20 am

1 stop3h 50m

Las Vegas Harry Reid Intl

mar. 4/14

5:20 pm-10:30 pm

1 stop4h 10m

$324

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

vie. 5/29

4:43 pm-10:48 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

mar. 6/2

9:57 am-4:06 pm

1 stop5h 09m

$329

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

jue. 4/16

2:25 pm-8:58 pm

1 stop7h 33m

Las Vegas Harry Reid Intl

jue. 4/23

3:00 pm-9:33 pm

1 stop5h 33m

$334

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

sáb. 4/11

2:25 pm-9:08 pm

1 stop7h 43m

Las Vegas Harry Reid Intl

mar. 4/14

5:30 am-1:39 pm

1 stop7h 09m

$339
Quickest round-trip

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

dom. 5/3

5:40 am-8:18 am

1 stop3h 38m

Las Vegas Harry Reid Intl

mié. 5/6

5:20 pm-10:30 pm

1 stop4h 10m

$342

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

sáb. 4/18

6:22 pm-10:46 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

mar. 4/21

10:00 am-5:45 pm

1 stop6h 45m

$344

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 5/25

5:45 am-8:54 am

1 stop4h 09m

Las Vegas Harry Reid Intl

sáb. 5/30

6:10 am-12:23 pm

1 stop5h 13m

$352

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

sáb. 4/18

6:22 pm-8:25 am

2 stops15h 03m

Las Vegas Harry Reid Intl

mar. 4/21

7:00 am-5:45 pm

1 stop9h 45m

$358

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mar. 4/21

1:04 pm-6:06 pm

1 stop6h 02m

Las Vegas Harry Reid Intl

sáb. 4/25

6:05 am-12:24 pm

1 stop5h 19m

$364

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 May is, on average, the cheapest month to fly to Las Vegas from Helena, with most prices found around $224. The month of September is another great option to travel to Las Vegas, with average flight prices from Helena averaging around $273.

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

3h 38m

Direct flights

None
The fastest flight from Helena to Las Vegas takes 3h 38m
There are no direct flights from Helena to Las Vegas. There are no popular flight routes from Helena to Las Vegas.
Search flight deals

  • 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 3h 38m, 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
9,484 reviews
Search United Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
8,331 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
Henderson
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Furnace Creek
Primm
Boulder City
Sunrise Manor
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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sáb. 4/25
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