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 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.

$271 Cheap Flights from Las Vegas to Helena in 2026

Find the cheapest flights from Las Vegas to Helena

Round-trip

One-way

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Cheap round-trip flights

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7:00 am - 3:31 pmLAS Las Vegas Harry Reid Intl-HLN Helena

7h 31m1 stop Seattle/Tacoma Intl

4:08 pm - 11:59 pmHLN Helena-LAS Las Vegas Harry Reid Intl

8h 51m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

6:00 am - 3:31 pmLAS Las Vegas Harry Reid Intl-HLN Helena

8h 31m1 stop Seattle/Tacoma Intl

4:08 pm - 11:59 pmHLN Helena-LAS Las Vegas Harry Reid Intl

8h 51m1 stop Seattle/Tacoma Intl

$357Alaska Airlines

Wed, Dec 9 - Mon, Dec 14

7:00 am - 3:31 pmLAS Las Vegas Harry Reid Intl-HLN Helena

7h 31m1 stop Seattle/Tacoma Intl

4:08 pm - 4:42 pmHLN Helena-LAS Las Vegas Harry Reid Intl

25h 34m2 stops Seattle/Tacoma Intl San Diego

$371Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

6:00 am - 3:31 pmLAS Las Vegas Harry Reid Intl-HLN Helena

8h 31m2 stops San Diego Seattle/Tacoma Intl

4:08 pm - 11:22 pmHLN Helena-LAS Las Vegas Harry Reid Intl

8h 14m2 stops Seattle/Tacoma Intl San Diego

$389Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

8:00 am - 3:31 pmLAS Las Vegas Harry Reid Intl-HLN Helena

6h 31m1 stop Seattle/Tacoma Intl

4:08 pm - 5:52 pmHLN Helena-LAS Las Vegas Harry Reid Intl

26h 44m2 stops Seattle/Tacoma Intl San Francisco

$411Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

6:10 am - 12:28 pmLAS Las Vegas Harry Reid Intl-HLN Helena

5h 18m1 stop Salt Lake City

1:08 pm - 10:22 pmHLN Helena-LAS Las Vegas Harry Reid Intl

10h 14m2 stops Salt Lake City Seattle/Tacoma Intl

$525Delta

Thu, Oct 8 - Sun, Oct 11

6:10 am - 12:28 pmLAS Las Vegas Harry Reid Intl-HLN Helena

5h 18m1 stop Salt Lake City

1:08 pm - 10:22 pmHLN Helena-LAS Las Vegas Harry Reid Intl

10h 14m2 stops Salt Lake City Seattle/Tacoma Intl

$525Delta

Fri, Oct 9 - Sun, Oct 11

12:47 pm - 10:24 pmLAS Las Vegas Harry Reid Intl-HLN Helena

8h 37m2 stops Los Angeles Salt Lake City

1:08 pm - 10:22 pmHLN Helena-LAS Las Vegas Harry Reid Intl

10h 14m2 stops Salt Lake City Seattle/Tacoma Intl

$577Delta

Thu, Oct 8 - Sun, Oct 11

12:47 pm - 10:24 pmLAS Las Vegas Harry Reid Intl-HLN Helena

8h 37m2 stops Los Angeles Salt Lake City

1:08 pm - 10:22 pmHLN Helena-LAS Las Vegas Harry Reid Intl

10h 14m2 stops Salt Lake City Seattle/Tacoma Intl

$577Delta

Fri, Oct 9 - Sun, Oct 11

5:15 am - 1:48 pmLAS Las Vegas Harry Reid Intl-HLN Helena

7h 33m1 stop Denver Intl

2:30 pm - 8:10 pmHLN Helena-LAS Las Vegas Harry Reid Intl

6h 40m1 stop Denver Intl

$584United Airlines

Fri, Sep 25 - Sat, Oct 3

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Alaska Airlines flights from Las Vegas to Helena

Our best Alaska Airlines deals on Las Vegas to Helena flight tickets

Alaska Airlines

Dec 5

LAS7:00 amLas Vegas Harry Reid Intl

7h 31m

1 stop

HLN3:31 pmHelena

Dec 8

HLN4:08 pmHelena

8h 51m

1 stop

LAS11:59 pmLas Vegas Harry Reid Intl

$353

Alaska Airlines

Dec 9

LAS6:00 amLas Vegas Harry Reid Intl

8h 31m

1 stop

HLN3:31 pmHelena

Dec 14

HLN4:08 pmHelena

8h 51m

1 stop

LAS11:59 pmLas Vegas Harry Reid Intl

$357

Alaska Airlines

Dec 5

LAS7:00 amLas Vegas Harry Reid Intl

7h 31m

1 stop

HLN3:31 pmHelena

Dec 8

HLN4:08 pmHelena

25h 34m

2 stops

LAS4:42 pmLas Vegas Harry Reid Intl

$371

Delta flights from Las Vegas to Helena

Our best Delta deals on Las Vegas to Helena flight tickets

Delta

Oct 8

LAS12:47 pmLas Vegas Harry Reid Intl

8h 37m

2 stops

HLN10:24 pmHelena

Oct 11

HLN1:08 pmHelena

10h 14m

2 stops

LAS10:22 pmLas Vegas Harry Reid Intl

$577

Delta

Oct 7

LAS1:02 pmLas Vegas Harry Reid Intl

8h 22m

2 stops

HLN10:24 pmHelena

Oct 14

HLN7:15 amHelena

10h 18m

2 stops

LAS4:33 pmLas Vegas Harry Reid Intl

$693

Delta

Sep 23

LAS6:10 amLas Vegas Harry Reid Intl

5h 07m

1 stop

HLN12:17 pmHelena

Sep 27

HLN7:15 amHelena

10h 11m

2 stops

LAS4:26 pmLas Vegas Harry Reid Intl

$730

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Sat 12/5

7:00 am-3:31 pm

1 stop7h 31m

Helena

Tue 12/8

4:08 pm-11:59 pm

1 stop8h 51m

$353

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

6:00 am-3:31 pm

1 stop8h 31m

Helena

Mon 12/14

4:08 pm-11:59 pm

1 stop8h 51m

$357

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Sat 12/5

7:00 am-3:31 pm

1 stop7h 31m

Helena

Tue 12/8

4:08 pm-4:42 pm

2 stops25h 34m

$371

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Sat 12/5

6:00 am-3:31 pm

2 stops8h 31m

Helena

Tue 12/8

4:08 pm-11:22 pm

2 stops8h 14m

$389

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Sat 12/5

8:00 am-3:31 pm

1 stop6h 31m

Helena

Tue 12/8

4:08 pm-5:52 pm

2 stops26h 44m

$411

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Thu 10/8

6:10 am-12:28 pm

1 stop5h 18m

Helena

Sun 10/11

1:08 pm-10:22 pm

2 stops10h 14m

$525

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Fri 10/9

6:10 am-12:28 pm

1 stop5h 18m

Helena

Sun 10/11

1:08 pm-10:22 pm

2 stops10h 14m

$525

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Thu 10/8

12:47 pm-10:24 pm

2 stops8h 37m

Helena

Sun 10/11

1:08 pm-10:22 pm

2 stops10h 14m

$577

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Fri 10/9

12:47 pm-10:24 pm

2 stops8h 37m

Helena

Sun 10/11

1:08 pm-10:22 pm

2 stops10h 14m

$577

Quickest round-trip

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Fri 9/25

5:15 am-1:48 pm

1 stop7h 33m

Helena

Sat 10/3

2:30 pm-8:10 pm

1 stop6h 40m

$584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 airline that flies from Las Vegas Harry Reid Intl to Helena?

United Airlines and Delta are the most popular carriers operating from Las Vegas Harry Reid Intl to Helena

What airlines fly to Helena?

Allegiant Air, Southwest and Delta are the top three most popular airlines that fly to Helena from Las Vegas according to our data. Allegiant Air is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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	$271
Fastest flight time	4h 57m
Direct flights	None

The best one-way flight to Helena from Las Vegas in the past 72 hours is $271. The best round-trip flight deal from Las Vegas to Helena found on momondo in the last 72 hours is $353.

The fastest flight from Las Vegas to Helena takes 4h 57m

There are no direct flights from Las Vegas to Helena. There are no popular flight routes from Las Vegas to Helena.

Search flight deals

Frequently asked questions about flying from Las Vegas to Helena

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 57m.
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 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.

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.