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Cheap flights from Helena to Las Vegas from $165

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 5/19. 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
5:09 pm - 11:59 pm
HLN
-
LAS
7h 50m
1 stop
Alaska Airlines Logo
7:05 am - 4:32 pm
LAS
-
HLN
8h 27m
1 stop
$329Alaska Airlines
mié., ago. 5 - sáb., ago. 8
Alaska Airlines Logo
6:22 pm - 10:53 pm
HLN
-
LAS
5h 31m
1 stop
Alaska Airlines Logo
10:45 am - 5:45 pm
LAS
-
HLN
6h 00m
1 stop
$334Alaska Airlines
lun., abr. 27 - mié., abr. 29
United Airlines Logo
6:15 am - 10:48 am
HLN
-
LAS
5h 33m
1 stop
United Airlines Logo
5:15 am - 1:38 pm
LAS
-
HLN
7h 23m
1 stop
$349United Airlines
mar., abr. 28 - vie., may. 1
United Airlines Logo
2:20 pm - 8:08 pm
HLN
-
LAS
6h 48m
1 stop
United Airlines Logo
5:30 am - 1:32 pm
LAS
-
HLN
7h 02m
1 stop
$356United Airlines
lun., ago. 10 - dom., ago. 23
Alaska Airlines Logo
6:22 pm - 4:04 pm
HLN
-
LAS
22h 42m
1 stop
Alaska Airlines Logo
8:00 am - 5:45 pm
LAS
-
HLN
8h 45m
1 stop
$363Alaska Airlines
mar., may. 5 - mar., may. 12
Alaska Airlines Logo
5:18 pm - 9:41 pm
HLN
-
LAS
5h 23m
1 stop
Alaska Airlines Logo
8:00 am - 4:41 pm
LAS
-
HLN
7h 41m
1 stop
$369Alaska Airlines
dom., sep. 20 - jue., sep. 24
Delta Logo
5:25 am - 8:51 am
HLN
-
LAS
4h 26m
1 stop
Delta Logo
5:06 pm - 10:40 pm
LAS
-
HLN
4h 34m
1 stop
$394Delta
vie., jul. 3 - vie., jul. 10
Alaska Airlines Logo
6:22 pm - 3:20 pm
HLN
-
LAS
21h 58m
2 stops
Alaska Airlines Logo
8:00 am - 5:45 pm
LAS
-
HLN
8h 45m
1 stop
$403Alaska Airlines
mar., may. 5 - mar., may. 12
Alaska Airlines Logo
6:22 pm - 11:59 pm
HLN
-
LAS
6h 37m
1 stop
Alaska Airlines Logo
6:00 am - 5:45 pm
LAS
-
HLN
10h 45m
2 stops
$406Alaska Airlines
lun., abr. 27 - mié., abr. 29
United Airlines Logo
2:20 pm - 6:50 pm
HLN
-
LAS
5h 30m
1 stop
United Airlines Logo
5:30 am - 1:33 pm
LAS
-
HLN
7h 03m
1 stop
$409United Airlines
mié., may. 27 - sáb., may. 30

Delta flights from Helena to Las Vegas

Our best Delta deals on Helena to Las Vegas flight tickets
Delta
Jul 3
HLN5:25 amHelena
4h 26m
1 stop
LAS8:51 amLas Vegas Harry Reid Intl
Jul 10
LAS5:06 pmLas Vegas Harry Reid Intl
4h 34m
1 stop
HLN10:40 pmHelena
$394
Delta
May 27
HLN1:03 pmHelena
3h 57m
1 stop
LAS4:00 pmLas Vegas Harry Reid Intl
May 30
LAS6:10 amLas Vegas Harry Reid Intl
5h 13m
1 stop
HLN12:23 pmHelena
$412
Delta
Apr 11
HLN1:02 pmHelena
3h 52m
1 stop
LAS3:54 pmLas Vegas Harry Reid Intl
Apr 14
LAS5:20 pmLas Vegas Harry Reid Intl
4h 10m
1 stop
HLN10:30 pmHelena
$419

United Airlines flights from Helena to Las Vegas

Our best United Airlines deals on Helena to Las Vegas flight tickets
United Airlines
Apr 28
HLN6:15 amHelena
5h 33m
1 stop
LAS10:48 amLas Vegas Harry Reid Intl
May 1
LAS5:15 amLas Vegas Harry Reid Intl
7h 23m
1 stop
HLN1:38 pmHelena
$349
United Airlines
Aug 10
HLN2:20 pmHelena
6h 48m
1 stop
LAS8:08 pmLas Vegas Harry Reid Intl
Aug 23
LAS5:30 amLas Vegas Harry Reid Intl
7h 02m
1 stop
HLN1:32 pmHelena
$356
United Airlines
May 27
HLN2:20 pmHelena
5h 30m
1 stop
LAS6:50 pmLas Vegas Harry Reid Intl
May 30
LAS5:30 amLas Vegas Harry Reid Intl
7h 03m
1 stop
HLN1:33 pmHelena
$409

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 abril 9, 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

mié. 8/5

5:09 pm-11:59 pm

1 stop7h 50m

Las Vegas Harry Reid Intl

sáb. 8/8

7:05 am-4:32 pm

1 stop8h 27m

$329

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 4/27

6:22 pm-10:53 pm

1 stop5h 31m

Las Vegas Harry Reid Intl

mié. 4/29

10:45 am-5:45 pm

1 stop6h 00m

$334

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mar. 4/28

6:15 am-10:48 am

1 stop5h 33m

Las Vegas Harry Reid Intl

vie. 5/1

5:15 am-1:38 pm

1 stop7h 23m

$349

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 8/10

2:20 pm-8:08 pm

1 stop6h 48m

Las Vegas Harry Reid Intl

dom. 8/23

5:30 am-1:32 pm

1 stop7h 02m

$356

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mar. 5/5

6:22 pm-4:04 pm

1 stop22h 42m

Las Vegas Harry Reid Intl

mar. 5/12

8:00 am-5:45 pm

1 stop8h 45m

$363

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

dom. 9/20

5:18 pm-9:41 pm

1 stop5h 23m

Las Vegas Harry Reid Intl

jue. 9/24

8:00 am-4:41 pm

1 stop7h 41m

$369
Quickest round-trip

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

vie. 7/3

5:25 am-8:51 am

1 stop4h 26m

Las Vegas Harry Reid Intl

vie. 7/10

5:06 pm-10:40 pm

1 stop4h 34m

$394

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mar. 5/5

6:22 pm-3:20 pm

2 stops21h 58m

Las Vegas Harry Reid Intl

mar. 5/12

8:00 am-5:45 pm

1 stop8h 45m

$403

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 4/27

6:22 pm-11:59 pm

1 stop6h 37m

Las Vegas Harry Reid Intl

mié. 4/29

6:00 am-5:45 pm

2 stops10h 45m

$406

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mié. 5/27

2:20 pm-6:50 pm

1 stop5h 30m

Las Vegas Harry Reid Intl

sáb. 5/30

5:30 am-1:33 pm

1 stop7h 03m

$409

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 $172. 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

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 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
9,554 reviews
Search United Airlines flights
DeltaPriceFrom $246Free CancellationRating
7.9
8,392 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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