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.

$240 Cheap Flights from Las Vegas to Helena in 2026

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.

4:18 pm - 4:34 pm

LAS

HLN

23h 16m

1 stop

5:11 pm - 10:47 am

HLN

LAS

18h 36m

1 stop

$383Alaska Airlines

Fri, Aug 28 - Mon, Aug 31

6:02 am - 4:34 pm

LAS

HLN

9h 32m

1 stop

5:11 pm - 10:47 am

HLN

LAS

18h 36m

1 stop

$393Alaska Airlines

Fri, Aug 28 - Mon, Aug 31

4:18 pm - 4:34 pm

LAS

HLN

23h 16m

1 stop

5:11 pm - 3:34 pm

HLN

LAS

23h 23m

2 stops

$431Alaska Airlines

Fri, Aug 28 - Mon, Aug 31

6:02 am - 4:34 pm

LAS

HLN

9h 32m

1 stop

5:11 pm - 3:34 pm

HLN

LAS

23h 23m

2 stops

$441Alaska Airlines

Fri, Aug 28 - Mon, Aug 31

5:02 pm - 10:30 pm

LAS

HLN

4h 28m

1 stop

12:55 pm - 11:06 pm

HLN

LAS

11h 11m

2 stops

$469Delta

Tue, Aug 18 - Mon, Aug 24

5:02 pm - 10:30 pm

LAS

HLN

4h 28m

1 stop

12:55 pm - 6:14 pm

HLN

LAS

6h 19m

1 stop

$473Delta

Tue, Aug 18 - Mon, Aug 24

12:53 pm - 10:30 pm

LAS

HLN

8h 37m

2 stops

12:55 pm - 11:06 pm

HLN

LAS

11h 11m

2 stops

$474Delta

Tue, Aug 18 - Mon, Aug 24

5:02 pm - 10:30 pm

LAS

HLN

4h 28m

1 stop

5:40 am - 12:20 pm

HLN

LAS

7h 40m

2 stops

$485Delta

Fri, Aug 14 - Thu, Aug 20

6:19 pm - 4:34 pm

LAS

HLN

21h 15m

2 stops

5:11 pm - 9:42 am

HLN

LAS

17h 31m

2 stops

$491Alaska Airlines

Fri, Aug 28 - Mon, Aug 31

5:02 pm - 10:30 pm

LAS

HLN

4h 28m

1 stop

12:55 pm - 10:48 pm

HLN

LAS

10h 53m

2 stops

$496Delta

Fri, Aug 14 - Thu, Aug 20

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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

Aug 28

LAS4:18 pmLas Vegas Harry Reid Intl

23h 16m

1 stop

HLN4:34 pmHelena

Aug 31

HLN5:11 pmHelena

18h 36m

1 stop

LAS10:47 amLas Vegas Harry Reid Intl

$383

Alaska Airlines

Aug 28

LAS6:02 amLas Vegas Harry Reid Intl

9h 32m

1 stop

HLN4:34 pmHelena

Aug 31

HLN5:11 pmHelena

18h 36m

1 stop

LAS10:47 amLas Vegas Harry Reid Intl

$393

Alaska Airlines

Aug 28

LAS4:18 pmLas Vegas Harry Reid Intl

23h 16m

1 stop

HLN4:34 pmHelena

Aug 31

HLN5:11 pmHelena

23h 23m

2 stops

LAS3:34 pmLas Vegas Harry Reid Intl

$431

Delta flights from Las Vegas to Helena

Our best Delta deals on Las Vegas to Helena flight tickets

Delta

Aug 18

LAS5:02 pmLas Vegas Harry Reid Intl

4h 28m

1 stop

HLN10:30 pmHelena

Aug 24

HLN12:55 pmHelena

11h 11m

2 stops

LAS11:06 pmLas Vegas Harry Reid Intl

$469

Delta

Aug 18

LAS5:02 pmLas Vegas Harry Reid Intl

4h 28m

1 stop

HLN10:30 pmHelena

Aug 24

HLN12:55 pmHelena

6h 19m

1 stop

LAS6:14 pmLas Vegas Harry Reid Intl

$473

Delta

Aug 18

LAS12:53 pmLas Vegas Harry Reid Intl

8h 37m

2 stops

HLN10:30 pmHelena

Aug 24

HLN12:55 pmHelena

11h 11m

2 stops

LAS11:06 pmLas Vegas Harry Reid Intl

$474

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/28

4:18 pm-4:34 pm

1 stop23h 16m

Helena

Mon 8/31

5:11 pm-10:47 am

1 stop18h 36m

$383

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/28

6:02 am-4:34 pm

1 stop9h 32m

Helena

Mon 8/31

5:11 pm-10:47 am

1 stop18h 36m

$393

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/28

4:18 pm-4:34 pm

1 stop23h 16m

Helena

Mon 8/31

5:11 pm-3:34 pm

2 stops23h 23m

$431

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/28

6:02 am-4:34 pm

1 stop9h 32m

Helena

Mon 8/31

5:11 pm-3:34 pm

2 stops23h 23m

$441

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 8/18

5:02 pm-10:30 pm

1 stop4h 28m

Helena

Mon 8/24

12:55 pm-11:06 pm

2 stops11h 11m

$469

Quickest round-trip

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 8/18

5:02 pm-10:30 pm

1 stop4h 28m

Helena

Mon 8/24

12:55 pm-6:14 pm

1 stop6h 19m

$473

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 8/18

12:53 pm-10:30 pm

2 stops8h 37m

Helena

Mon 8/24

12:55 pm-11:06 pm

2 stops11h 11m

$474

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/14

5:02 pm-10:30 pm

1 stop4h 28m

Helena

Thu 8/20

5:40 am-12:20 pm

2 stops7h 40m

$485

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/28

6:19 pm-4:34 pm

2 stops21h 15m

Helena

Mon 8/31

5:11 pm-9:42 am

2 stops17h 31m

$491

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Fri 8/14

5:02 pm-10:30 pm

1 stop4h 28m

Helena

Thu 8/20

12:55 pm-10:48 pm

2 stops10h 53m

$496

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

What airlines fly to Helena?

Allegiant Air, Southwest and United Airlines 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 67% 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	4h 28m
Direct flights	None

The fastest flight from Las Vegas to Helena takes 4h 28m

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 28m.
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.