LAS - HLN

$253 Find Cheap Flights from Las Vegas to Helena - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$353
Typical prices: $361-$494
Alaska Airlines
Wed 12/5Sat 12/8
LAS - HLN • 1 stop
Cheapest one-way
$263
Typical prices: $228-$386
Alaska Airlines
Mon 12/10
LAS - HLN • 1 stop
When to travel
March
Cheapest • 36% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $420 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 47m (one-way)
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Flight Deals

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

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

Recent round-trip flight deals from Las Vegas to Helena

Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
7:00 am - 3:31 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
7h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:08 pm - 11:59 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
8h 51m1 stop Seattle/Tacoma Intl
$353Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
7:00 am - 3:31 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
7h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:08 pm - 4:42 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
25h 34m2 stops Seattle/Tacoma Intl San Diego
$371Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
6:00 am - 3:31 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
8h 31m2 stops San Diego Seattle/Tacoma Intl
Alaska Airlines Logo
4:08 pm - 11:22 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
8h 14m2 stops Seattle/Tacoma Intl San Diego
$389Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
8:30 am - 4:18 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
6h 48m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:55 pm - 11:03 amHLN  Helena-LAS Las Vegas Harry Reid Intl
19h 08m1 stop Seattle/Tacoma Intl
$483Alaska Airlines
Sat, Oct 24 - Fri, Oct 30
Alaska Airlines Logo
6:02 am - 4:49 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
9h 47m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:26 pm - 6:09 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
25h 43m1 stop Seattle/Tacoma Intl
$508Alaska Airlines
Sat, Oct 24 - Fri, Oct 30
Delta Logo
5:10 pm - 10:29 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
4h 19m1 stop Salt Lake City
Delta Logo
1:08 pm - 10:22 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
10h 14m2 stops Salt Lake City Seattle/Tacoma Intl
$530Delta
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
7:15 am - 4:18 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
8h 03m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
4:55 pm - 9:50 amHLN  Helena-LAS Las Vegas Harry Reid Intl
17h 55m1 stop Seattle/Tacoma Intl
$538Alaska Airlines
Thu, Oct 1 - Tue, Oct 6
Delta Logo
6:10 am - 12:17 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
5h 07m1 stop Salt Lake City
Delta Logo
1:08 pm - 10:22 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
10h 14m2 stops Salt Lake City Seattle/Tacoma Intl
$568Delta
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
3:03 pm - 9:46 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
5h 43m1 stop Denver Intl
United Airlines Logo
6:30 am - 10:41 amHLN  Helena-LAS Las Vegas Harry Reid Intl
5h 11m1 stop Denver Intl
$585United Airlines
Fri, Sep 25 - Tue, Sep 29
United Airlines Logo
5:15 am - 1:48 pmLAS  Las Vegas Harry Reid Intl-HLN Helena
7h 33m1 stop Denver Intl
United Airlines Logo
6:25 am - 12:24 pmHLN  Helena-LAS Las Vegas Harry Reid Intl
6h 59m1 stop Denver Intl
$617United Airlines
Booking Insights

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

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

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

Round-trip flights from Las Vegas to Helena start at $353. Prices are below average for this route right now, with typical round-trip fares ranging from $361 to $494. The lowest price found in the past 5 days was $353 on Alaska Airlines.

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Key details for Las Vegas to Helena flights

Low season

February

Cheapest flight

$263
Most popular time to fly and prices are also 16% lower on average.
Flight from Las Vegas to Helena

When to book flights from Las Vegas to Helena

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

Your Las Vegas to Helena flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

    Only Economy Class is available on flights from Las Vegas to Helena.

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

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

    • Salt Lake City (SLC) - 40% of one-stop connections
    • Denver Intl (DEN) - 33% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 27% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 48% on the Las Vegas to Helena route. Monday is the cheapest departure day at $397 round-trip on average, while Thursday is the most expensive at $750, a difference of $353. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    There are currently no nonstop flights available from Las Vegas to Helena. Flights with 1 layover take between 4h 47m and 7h 04m in total, depending on the connection.

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

    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.

  • Have flight prices from Las Vegas to Helena 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 $353 to $2,365. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from Las Vegas to Helena are currently higher than usual. Average one-way flight prices are about $415, which is 59% above the typical average for this route.

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

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 47m, compared with 5h 40m via Denver Intl (DEN) and 7h 04m via Seattle/Tacoma Intl (SEA).

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

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

  • What car rental options are available at Helena Airport (HLN)?

    Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
    • Budget
    • Enterprise Rent-A-Car
    • Hertz
    • Avis
    • National

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

    Round-trip flights from Las Vegas to Helena range from $361 to $494, with an average of $472 over the past 12 months. Anything below $361 counts as a good deal.

Your guide to booking Las Vegas to Helena flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average $397 - about $353 less than Thursday (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Las Vegas to Helena trip for March. Fares historically average $303 round-trip in that month - typically $447 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Helena Airport.
    - Days Inn by Wyndham Helena
    - Americas Best Value Inn & Suites Helena
    - Baymont by Wyndham Helena

More options for your flight from Las Vegas to Helena

Complete your trip to Helena with a hotel stay or car rental

Car rentals in Helena
Hotels in Helena
Vacations in Helena