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.

$117 Cheap Flights from Las Vegas to Helena in 2026

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Find the cheapest flights from Las Vegas to Helena

Round-trip

One-way

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5:30 am - 1:38 pm

LAS

HLN

7h 08m

1 stop

2:30 pm - 9:01 pm

HLN

LAS

7h 31m

1 stop

$279United Airlines

Thu, Mar 12 - Mon, Mar 16

10:45 am - 5:45 pm

LAS

HLN

6h 00m

1 stop

6:22 pm - 8:00 pm

HLN

LAS

26h 38m

1 stop

$280Alaska Airlines

Thu, Apr 23 - Sat, Apr 25

6:00 am - 5:45 pm

LAS

HLN

10h 45m

2 stops

6:22 pm - 8:00 pm

HLN

LAS

26h 38m

1 stop

$330Alaska Airlines

Thu, Apr 23 - Sat, Apr 25

6:00 am - 5:45 pm

LAS

HLN

10h 45m

2 stops

6:22 pm - 8:55 pm

HLN

LAS

27h 33m

1 stop

$337Alaska Airlines

Thu, Apr 23 - Sat, Apr 25

6:42 pm - 5:45 pm

LAS

HLN

22h 03m

2 stops

6:22 pm - 8:55 pm

HLN

LAS

27h 33m

1 stop

$338Alaska Airlines

Thu, Apr 23 - Sat, Apr 25

6:00 am - 3:59 pm

LAS

HLN

8h 59m

1 stop

4:36 pm - 6:27 pm

HLN

LAS

26h 51m

1 stop

$440Alaska Airlines

Tue, Mar 10 - Fri, Mar 13

8:00 am - 3:59 pm

LAS

HLN

6h 59m

1 stop

4:36 pm - 10:07 am

HLN

LAS

18h 31m

2 stops

$466Alaska Airlines

Thu, Mar 12 - Mon, Mar 16

8:00 am - 9:33 pm

LAS

HLN

12h 33m

2 stops

6:15 am - 6:04 pm

HLN

LAS

12h 49m

2 stops

$472United Airlines

Thu, Apr 23 - Sat, Apr 25

8:00 am - 9:33 pm

LAS

HLN

12h 33m

2 stops

6:15 am - 6:04 pm

HLN

LAS

12h 49m

2 stops

$477United Airlines

Thu, Apr 23 - Sat, Apr 25

7:00 am - 3:59 pm

LAS

HLN

7h 59m

1 stop

4:36 pm - 11:16 pm

HLN

LAS

31h 40m

2 stops

$485Alaska Airlines

Tue, Mar 10 - Fri, Mar 13

Alaska Airlines flights from Las Vegas to Helena

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

Alaska Airlines

Apr 23

LAS10:45 amLas Vegas Harry Reid Intl

6h 00m

1 stop

HLN5:45 pmHelena

Apr 25

HLN6:22 pmHelena

26h 38m

1 stop

LAS8:00 pmLas Vegas Harry Reid Intl

$280

Alaska Airlines

Apr 23

LAS6:00 amLas Vegas Harry Reid Intl

10h 45m

2 stops

HLN5:45 pmHelena

Apr 25

HLN6:22 pmHelena

26h 38m

1 stop

LAS8:00 pmLas Vegas Harry Reid Intl

$330

Alaska Airlines

Apr 23

LAS6:00 amLas Vegas Harry Reid Intl

10h 45m

2 stops

HLN5:45 pmHelena

Apr 25

HLN6:22 pmHelena

27h 33m

1 stop

LAS8:55 pmLas Vegas Harry Reid Intl

$337

United Airlines flights from Las Vegas to Helena

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

United Airlines

Mar 12

LAS5:30 amLas Vegas Harry Reid Intl

7h 08m

1 stop

HLN1:38 pmHelena

Mar 16

HLN2:30 pmHelena

7h 31m

1 stop

LAS9:01 pmLas Vegas Harry Reid Intl

$279

United Airlines

Apr 23

LAS8:00 amLas Vegas Harry Reid Intl

12h 33m

2 stops

HLN9:33 pmHelena

Apr 25

HLN6:15 amHelena

12h 49m

2 stops

LAS6:04 pmLas Vegas Harry Reid Intl

$472

United Airlines

Apr 23

LAS8:00 amLas Vegas Harry Reid Intl

12h 33m

2 stops

HLN9:33 pmHelena

Apr 25

HLN6:15 amHelena

12h 49m

2 stops

LAS6:04 pmLas Vegas Harry Reid Intl

$477

Fly from

Fly to

Route

Depart

Return

Price

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 3/12

5:30 am-1:38 pm

1 stop7h 08m

Helena

Mon 3/16

2:30 pm-9:01 pm

1 stop7h 31m

$279

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

10:45 am-5:45 pm

1 stop6h 00m

Helena

Sat 4/25

6:22 pm-8:00 pm

1 stop26h 38m

$280

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

6:00 am-5:45 pm

2 stops10h 45m

Helena

Sat 4/25

6:22 pm-8:00 pm

1 stop26h 38m

$330

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

6:00 am-5:45 pm

2 stops10h 45m

Helena

Sat 4/25

6:22 pm-8:55 pm

1 stop27h 33m

$337

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

6:42 pm-5:45 pm

2 stops22h 03m

Helena

Sat 4/25

6:22 pm-8:55 pm

1 stop27h 33m

$338

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 3/10

6:00 am-3:59 pm

1 stop8h 59m

Helena

Fri 3/13

4:36 pm-6:27 pm

1 stop26h 51m

$440

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 3/12

8:00 am-3:59 pm

1 stop6h 59m

Helena

Mon 3/16

4:36 pm-10:07 am

2 stops18h 31m

$466

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

8:00 am-9:33 pm

2 stops12h 33m

Helena

Sat 4/25

6:15 am-6:04 pm

2 stops12h 49m

$472

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Thu 4/23

8:00 am-9:33 pm

2 stops12h 33m

Helena

Sat 4/25

6:15 am-6:04 pm

2 stops12h 49m

$477

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 3/10

7:00 am-3:59 pm

1 stop7h 59m

Helena

Fri 3/13

4:36 pm-11:16 pm

2 stops31h 40m

$485

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?

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

What airlines fly to Helena?

Allegiant Air, Delta and Southwest 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 61% 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

Fastest flight time	7h 08m
Direct flights	None

The fastest flight from Las Vegas to Helena takes 7h 08m

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

Search flight deals

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 7h 08m.
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.