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.

$228 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 12:23 pm

LAS

HLN

5h 13m

1 stop

1:03 pm - 4:00 pm

HLN

LAS

3h 57m

1 stop

$319Delta

Wed, May 13 - Wed, May 20

5:30 am - 1:39 pm

LAS

HLN

7h 09m

1 stop

2:25 pm - 7:46 pm

HLN

LAS

6h 21m

1 stop

$339United Airlines

Tue, Apr 28 - Wed, Apr 29

6:05 am - 12:24 pm

LAS

HLN

5h 19m

1 stop

5:40 am - 8:18 am

HLN

LAS

3h 38m

1 stop

$369Delta

Wed, Apr 29 - Sun, May 3

6:42 pm - 5:45 pm

LAS

HLN

22h 03m

2 stops

6:22 pm - 10:53 pm

HLN

LAS

5h 31m

1 stop

$456Alaska Airlines

Mon, May 4 - Mon, May 11

5:30 am - 1:33 pm

LAS

HLN

7h 03m

1 stop

2:20 pm - 8:08 pm

HLN

LAS

6h 48m

1 stop

$481United Airlines

Fri, Jun 19 - Mon, Jun 22

6:19 pm - 4:32 pm

LAS

HLN

21h 13m

2 stops

5:09 pm - 10:50 pm

HLN

LAS

6h 41m

1 stop

$506Alaska Airlines

Fri, Jun 19 - Mon, Jun 22

11:07 am - 4:06 pm

LAS

HLN

27h 59m

2 stops

4:43 pm - 10:48 pm

HLN

LAS

7h 05m

1 stop

$522Alaska Airlines

Wed, May 13 - Wed, May 20

6:42 pm - 5:45 pm

LAS

HLN

22h 03m

2 stops

6:22 pm - 6:30 pm

HLN

LAS

25h 08m

2 stops

$550Alaska Airlines

Mon, May 4 - Mon, May 11

9:40 am - 5:45 pm

LAS

HLN

7h 05m

1 stop

6:22 pm - 11:13 pm

HLN

LAS

29h 51m

2 stops

$561Alaska Airlines

Wed, Apr 29 - Sun, May 3

8:00 am - 5:45 pm

LAS

HLN

8h 45m

1 stop

6:22 pm - 10:53 pm

HLN

LAS

5h 31m

1 stop

$594Alaska Airlines

Mon, May 4 - Mon, May 11

United Airlines flights from Las Vegas to Helena

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

United Airlines

May 9

LAS5:15 amLas Vegas Harry Reid Intl

7h 23m

1 stop

HLN1:38 pmHelena

May 10

HLN6:15 amHelena

5h 33m

1 stop

LAS10:48 amLas Vegas Harry Reid Intl

$329

United Airlines

Apr 28

LAS5:30 amLas Vegas Harry Reid Intl

7h 09m

1 stop

HLN1:39 pmHelena

Apr 29

HLN2:25 pmHelena

6h 21m

1 stop

LAS7:46 pmLas Vegas Harry Reid Intl

$339

United Airlines

May 7

LAS5:15 amLas Vegas Harry Reid Intl

7h 23m

1 stop

HLN1:38 pmHelena

May 10

HLN6:15 amHelena

7h 54m

1 stop

LAS1:09 pmLas Vegas Harry Reid Intl

$480

Alaska Airlines flights from Las Vegas to Helena

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

Alaska Airlines

May 8

LAS9:01 pmLas Vegas Harry Reid Intl

19h 44m

2 stops

HLN5:45 pmHelena

May 11

HLN6:22 pmHelena

5h 31m

1 stop

LAS10:53 pmLas Vegas Harry Reid Intl

$417

Alaska Airlines

May 4

LAS6:42 pmLas Vegas Harry Reid Intl

22h 03m

2 stops

HLN5:45 pmHelena

May 11

HLN6:22 pmHelena

5h 31m

1 stop

LAS10:53 pmLas Vegas Harry Reid Intl

$456

Alaska Airlines

May 8

LAS9:01 pmLas Vegas Harry Reid Intl

19h 44m

2 stops

HLN5:45 pmHelena

May 11

HLN6:22 pmHelena

21h 58m

2 stops

LAS3:20 pmLas Vegas Harry Reid Intl

$494

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 5/13

6:10 am-12:23 pm

1 stop5h 13m

Helena

Wed 5/20

1:03 pm-4:00 pm

1 stop3h 57m

$319

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 4/28

5:30 am-1:39 pm

1 stop7h 09m

Helena

Wed 4/29

2:25 pm-7:46 pm

1 stop6h 21m

$339

Quickest round-trip

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 4/29

6:05 am-12:24 pm

1 stop5h 19m

Helena

Sun 5/3

5:40 am-8:18 am

1 stop3h 38m

$369

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 5/4

6:42 pm-5:45 pm

2 stops22h 03m

Helena

Mon 5/11

6:22 pm-10:53 pm

1 stop5h 31m

$456

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 6/19

5:30 am-1:33 pm

1 stop7h 03m

Helena

Mon 6/22

2:20 pm-8:08 pm

1 stop6h 48m

$481

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 6/19

6:19 pm-4:32 pm

2 stops21h 13m

Helena

Mon 6/22

5:09 pm-10:50 pm

1 stop6h 41m

$506

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 5/13

11:07 am-4:06 pm

2 stops27h 59m

Helena

Wed 5/20

4:43 pm-10:48 pm

1 stop7h 05m

$522

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 5/4

6:42 pm-5:45 pm

2 stops22h 03m

Helena

Mon 5/11

6:22 pm-6:30 pm

2 stops25h 08m

$550

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Wed 4/29

9:40 am-5:45 pm

1 stop7h 05m

Helena

Sun 5/3

6:22 pm-11:13 pm

2 stops29h 51m

$561

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Mon 5/4

8:00 am-5:45 pm

1 stop8h 45m

Helena

Mon 5/11

6:22 pm-10:53 pm

1 stop5h 31m

$594

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, Alaska Airlines, and Delta 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 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

Fastest flight time	4h 35m
Direct flights	None

The fastest flight from Las Vegas to Helena takes 4h 35m

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

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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 35m.
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.