HLN - LAS

$184 Find Cheap Flights from Helena to Las Vegas - Compare and Save

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Everything you should know

Cheapest round-trip
$407
Typical prices: $339-$578
Alaska Airlines
Wed 12/12Sat 12/15
HLN - LAS • 1 stop
Cheapest one-way
$184
Typical prices: $199-$239
Delta
Sun 12/2
HLN - LAS • 2 stops
When to travel
April
Cheapest • 22% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $441 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 25m (one-way)
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Flight Deals

Cheap Flights from Helena to Las Vegas (HLN-LAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to Las Vegas

Sat, Dec 12 - Tue, Dec 15
Alaska Airlines Logo
4:49 pm - 11:03 amHLN  Helena-LAS Las Vegas Harry Reid Intl
19h 14m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:30 am - 4:12 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
6h 42m1 stop Seattle/Tacoma Intl
$407Alaska Airlines
Sat, Dec 12 - Tue, Dec 15
Alaska Airlines Logo
4:49 pm - 7:28 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
27h 39m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
11:59 am - 4:12 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
27h 13m1 stop Seattle/Tacoma Intl
$415Alaska Airlines
Sat, Dec 12 - Tue, Dec 15
Alaska Airlines Logo
4:49 pm - 7:28 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
27h 39m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
5:16 pm - 4:12 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
21h 56m2 stops San Diego Seattle/Tacoma Intl
$423Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:00 pm - 2:51 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
22h 51m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
11:51 am - 4:23 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
27h 32m2 stops San Diego Seattle/Tacoma Intl
$429Alaska Airlines
Sun, Dec 6 - Wed, Dec 9
Delta Logo
1:10 pm - 10:45 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
10h 35m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:00 am - 12:30 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
5h 30m1 stop Salt Lake City
$436Delta
Sun, Dec 6 - Wed, Dec 9
Delta Logo
1:10 pm - 10:45 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
10h 35m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:00 am - 12:30 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
5h 30m1 stop Salt Lake City
$516Delta
Tue, Apr 6 - Sat, Apr 10
Delta Logo
12:50 pm - 6:03 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
6h 13m1 stop Salt Lake City
Delta Logo
6:10 am - 12:24 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
5h 14m1 stop Salt Lake City
$525Delta
Wed, Dec 9 - Sun, Dec 13
United Airlines Logo
2:35 pm - 8:55 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
7h 20m1 stop Denver Intl
United Airlines Logo
5:15 am - 1:52 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
7h 37m1 stop Denver Intl
$529United Airlines
Sat, Jan 2 - Sat, Jan 9
United Airlines Logo
2:27 pm - 8:42 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
7h 15m1 stop Denver Intl
United Airlines Logo
5:15 am - 1:40 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
7h 25m1 stop Denver Intl
$545United Airlines
Thu, Dec 10 - Sun, Dec 13
United Airlines Logo
6:20 am - 10:41 amHLN  Helena-LAS Las Vegas Harry Reid Intl
5h 21m1 stop Denver Intl
United Airlines Logo
5:15 am - 1:52 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
7h 37m1 stop Denver Intl
$556United Airlines
Booking Insights

Price, demand and travel trends for Helena to Las Vegas flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Helena to Las Vegas?

Round-trip flights from Helena to Las Vegas typically range from $339 to $578. The lowest price found in the past 5 days was $407, on Alaska Airlines.

What's the cheapest day of the week to fly from Helena to Las Vegas?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Helena to Las Vegas. It’s 20% cheaper than the average day, while Monday is the most expensive, with prices 67% higher.

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Key details for Helena to Las Vegas flights

Low season

August

Cheapest flight

$184
Beat the crowds with an average 88% drop in travelers.
The most popular month to fly with an average 61% increase in travelers.
One-way flight from Helena to Las Vegas

When to book flights from Helena to Las Vegas

Are your dates flexible? Find out the best times to travel from Helena to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Helena to Las Vegas flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Helena to Las Vegas?

    Two cabin classes are available on flights from Helena to Las Vegas:

    • Economy Class
    • First Class

  • How long is a flight from Helena to Las Vegas?

    There are currently no nonstop flights available from Helena to Las Vegas. Flights with 1 layover take between 4h 25m and 6h 15m in total, depending on the connection.

  • Do I need a passport to fly from Helena to Las Vegas?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Helena to Las Vegas flight?

    Round-trip flights from Helena to Las Vegas range from $339 to $578, with an average of $428 over the past 12 months. Anything below $339 counts as a good deal.

  • Have flight prices from Helena to Las Vegas changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $407 to $2,712. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Helena to Las Vegas looking right now?

    One-way fares from Helena to Las Vegas are currently higher than usual. Average one-way flight prices are about $274, which is 20% above the typical average for this route.

  • What car rental options are available at Las Vegas Harry Reid Intl Airport (LAS)?

    Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car rental companies, with daily rates averaging $54 for economy cars. Top options include:

    • Easirent
    • Fox
    • Ace
    • Dollar
    • Thrifty

  • Which airports can I use when flying from Helena to Las Vegas?

    Flights from Helena to Las Vegas usually depart from Helena (HLN) and arrive at Las Vegas Harry Reid Intl (LAS).

  • Which airports do connecting flights from Helena to Las Vegas pass through?

    One-stop flights from Helena to Las Vegas most commonly connect through:

    • Salt Lake City (SLC) - 64% of one-stop connections
    • Denver Intl (DEN) - 33% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Helena to Las Vegas?

    Yes. Flexible dates can save you up to 53% on flights from Helena to Las Vegas. Sunday is the cheapest departure day at $344 round-trip on average, while Monday is the most expensive at $718, a difference of $374.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Helena to Las Vegas?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 25m, compared with 6h 12m via Seattle/Tacoma Intl (SEA) and 6h 15m via Denver Intl (DEN).

  • What is the time difference between Helena and Las Vegas?

    Las Vegas is 1 hour behind Helena (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Las Vegas?

    Some of the most popular sights in Las Vegas are Fremont Street Experience, Las Vegas Convention Center and Wynn Las Vegas. These are among the most viewed places in Las Vegas on KAYAK.

Your guide to booking Helena to Las Vegas flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Monday. On this route, Sunday flights average $344, about $374 less than Monday fares (52% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Helena to Las Vegas trip for April. Fares historically average $336 round-trip in that month - typically $382 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Las Vegas Harry Reid Intl Airport.

    • Four Seasons Hotel Las Vegas
    • DoubleTree by Hilton Las Vegas-Airport
    • Alexis Park All Suite Resort

More options for your flight from Helena to Las Vegas

Complete your trip to Las Vegas with a hotel stay or car rental

Car rentals in Las Vegas
Hotels in Las Vegas
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