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.

$284 Cheap Flights from Las Vegas to Helena in 2026/27

Find the cheapest flights from Las Vegas to Helena

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 4:12 pmLAS Las Vegas Harry Reid Intl-HLN Helena

8h 12m1 stop Seattle/Tacoma Intl

4:49 pm - 9:50 amHLN Helena-LAS Las Vegas Harry Reid Intl

18h 01m1 stop Seattle/Tacoma Intl

$427Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

8:30 am - 4:12 pmLAS Las Vegas Harry Reid Intl-HLN Helena

6h 42m1 stop Seattle/Tacoma Intl

4:49 pm - 7:16 pmHLN Helena-LAS Las Vegas Harry Reid Intl

27h 27m1 stop Seattle/Tacoma Intl

$433Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

9:34 am - 4:12 pmLAS Las Vegas Harry Reid Intl-HLN Helena

5h 38m1 stop Seattle/Tacoma Intl

4:49 pm - 3:41 pmHLN Helena-LAS Las Vegas Harry Reid Intl

23h 52m2 stops Seattle/Tacoma Intl San Diego

$438Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

9:34 am - 4:12 pmLAS Las Vegas Harry Reid Intl-HLN Helena

5h 38m1 stop Seattle/Tacoma Intl

4:49 pm - 3:41 pmHLN Helena-LAS Las Vegas Harry Reid Intl

23h 52m2 stops Seattle/Tacoma Intl San Diego

$441Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

8:30 am - 4:12 pmLAS Las Vegas Harry Reid Intl-HLN Helena

6h 42m1 stop Seattle/Tacoma Intl

4:49 pm - 3:41 pmHLN Helena-LAS Las Vegas Harry Reid Intl

23h 52m2 stops Seattle/Tacoma Intl San Diego

$445Alaska Airlines

Wed, Dec 9 - Sat, Dec 12

7:20 am - 4:04 pmLAS Las Vegas Harry Reid Intl-HLN Helena

7h 44m1 stop Seattle/Tacoma Intl

4:41 pm - 10:37 pmHLN Helena-LAS Las Vegas Harry Reid Intl

6h 56m1 stop Seattle/Tacoma Intl

$657Alaska Airlines

Wed, Nov 4 - Sun, Nov 8

9:44 am - 1:52 pmLAS Las Vegas Harry Reid Intl-HLN Helena

27h 08m3 stops San Francisco Seattle/Tacoma Intl Denver Intl

6:20 am - 10:41 amHLN Helena-LAS Las Vegas Harry Reid Intl

5h 21m1 stop Denver Intl

$677United Airlines

Wed, Dec 9 - Sat, Dec 12

9:44 am - 1:52 pmLAS Las Vegas Harry Reid Intl-HLN Helena

27h 08m3 stops San Francisco Seattle/Tacoma Intl Denver Intl

6:20 am - 10:41 amHLN Helena-LAS Las Vegas Harry Reid Intl

5h 21m1 stop Denver Intl

$681United Airlines

Wed, Dec 9 - Sat, Dec 12

5:10 pm - 10:24 pmLAS Las Vegas Harry Reid Intl-HLN Helena

4h 14m1 stop Salt Lake City

1:08 pm - 11:14 pmHLN Helena-LAS Las Vegas Harry Reid Intl

11h 06m2 stops Salt Lake City Los Angeles

$698Delta

Wed, Nov 4 - Sun, Nov 8

12:57 pm - 10:24 pmLAS Las Vegas Harry Reid Intl-HLN Helena

8h 27m2 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

$703Delta

Wed, Nov 4 - Sun, Nov 8

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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 9

LAS7:00 amLas Vegas Harry Reid Intl

8h 12m

1 stop

HLN4:12 pmHelena

Dec 12

HLN4:49 pmHelena

18h 01m

1 stop

LAS9:50 amLas Vegas Harry Reid Intl

$427

Alaska Airlines

Dec 9

LAS8:30 amLas Vegas Harry Reid Intl

6h 42m

1 stop

HLN4:12 pmHelena

Dec 12

HLN4:49 pmHelena

27h 27m

1 stop

LAS7:16 pmLas Vegas Harry Reid Intl

$433

Alaska Airlines

Dec 9

LAS9:34 amLas Vegas Harry Reid Intl

5h 38m

1 stop

HLN4:12 pmHelena

Dec 12

HLN4:49 pmHelena

23h 52m

2 stops

LAS3:41 pmLas Vegas Harry Reid Intl

$438

United Airlines flights from Las Vegas to Helena

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

United Airlines

Dec 9

LAS9:44 amLas Vegas Harry Reid Intl

27h 08m

3 stops

HLN1:52 pmHelena

Dec 12

HLN6:20 amHelena

5h 21m

1 stop

LAS10:41 amLas Vegas Harry Reid Intl

$677

United Airlines

Dec 9

LAS9:44 amLas Vegas Harry Reid Intl

27h 08m

3 stops

HLN1:52 pmHelena

Dec 12

HLN6:20 amHelena

5h 21m

1 stop

LAS10:41 amLas Vegas Harry Reid Intl

$681

United Airlines

Dec 9

LAS8:00 amLas Vegas Harry Reid Intl

12h 26m

2 stops

HLN9:26 pmHelena

Dec 12

HLN6:20 amHelena

12h 47m

2 stops

LAS6:07 pmLas Vegas Harry Reid Intl

$896

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

Wed 12/9

7:00 am-4:12 pm

1 stop8h 12m

Helena

Sat 12/12

4:49 pm-9:50 am

1 stop18h 01m

$427

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

8:30 am-4:12 pm

1 stop6h 42m

Helena

Sat 12/12

4:49 pm-7:16 pm

1 stop27h 27m

$433

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

9:34 am-4:12 pm

1 stop5h 38m

Helena

Sat 12/12

4:49 pm-3:41 pm

2 stops23h 52m

$438

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

9:34 am-4:12 pm

1 stop5h 38m

Helena

Sat 12/12

4:49 pm-3:41 pm

2 stops23h 52m

$441

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

8:30 am-4:12 pm

1 stop6h 42m

Helena

Sat 12/12

4:49 pm-3:41 pm

2 stops23h 52m

$445

Quickest round-trip

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 11/4

7:20 am-4:04 pm

1 stop7h 44m

Helena

Sun 11/8

4:41 pm-10:37 pm

1 stop6h 56m

$657

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

9:44 am-1:52 pm

3 stops27h 08m

Helena

Sat 12/12

6:20 am-10:41 am

1 stop5h 21m

$677

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 12/9

9:44 am-1:52 pm

3 stops27h 08m

Helena

Sat 12/12

6:20 am-10:41 am

1 stop5h 21m

$681

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 11/4

5:10 pm-10:24 pm

1 stop4h 14m

Helena

Sun 11/8

1:08 pm-11:14 pm

2 stops11h 06m

$698

Las VegasHelena

LAS Las Vegas Harry Reid Intl - HLN Helena

LASHLN

Las Vegas Harry Reid Intl

Wed 11/4

12:57 pm-10:24 pm

2 stops8h 27m

Helena

Sun 11/8

1:08 pm-10:22 pm

2 stops10h 14m

$703

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 70% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 4 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	$284
Fastest flight time	5h 40m
Direct flights	None

The best one-way flight to Helena from Las Vegas in the past 72 hours is $284. The best round-trip flight deal from Las Vegas to Helena found on momondo in the last 72 hours is $427.

The fastest flight from Las Vegas to Helena takes 5h 40m

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 5h 40m.
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.