HLN - BOI

$223 Find Cheap Flights from Helena to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$418
Typical prices: $352-$631
Alaska Airlines
Sat 12/8Wed 12/12
HLN - BOI • 1 stop
Cheapest one-way
$223
Typical prices: $145-$322
Alaska Airlines
Mon 12/3
HLN - BOI • 1 stop
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $483 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 12m (one-way)
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Cheap Flights from Helena to Boise (HLN-BOI)

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

Recent round-trip flight deals from Helena to Boise

Tue, Dec 8 - Sat, Dec 12
Alaska Airlines Logo
4:49 pm - 3:26 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
22h 37m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:56 pm - 4:12 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
27h 16m1 stop Seattle/Tacoma Intl
$418Alaska Airlines
Sat, Apr 24 - Wed, Apr 28
Alaska Airlines Logo
4:08 pm - 10:20 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
6h 12m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:53 am - 3:31 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
5h 38m1 stop Seattle/Tacoma Intl
$425Alaska Airlines
Fri, Feb 12 - Mon, Feb 15
Alaska Airlines Logo
4:08 pm - 6:11 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
26h 03m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:00 pm - 3:31 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
25h 31m1 stop Seattle/Tacoma Intl
$428Alaska Airlines
Mon, Jan 11 - Fri, Jan 15
Alaska Airlines Logo
5:08 pm - 2:21 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
21h 13m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:28 pm - 4:31 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
20h 03m1 stop Seattle/Tacoma Intl
$428Alaska Airlines
Tue, Dec 8 - Sat, Dec 12
Alaska Airlines Logo
4:49 pm - 10:27 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
29h 38m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
6:00 pm - 4:12 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
22h 12m1 stop Seattle/Tacoma Intl
$431Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Delta Logo
7:00 am - 10:42 amHLN  Helena-BOI Boise Air Term. Gowen Fld
3h 42m1 stop Salt Lake City
Delta Logo
6:45 pm - 10:26 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
3h 41m1 stop Salt Lake City
$635Delta
Booking Insights

Price, demand and travel trends for Helena to Boise 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 Boise?

Round-trip flights from Helena to Boise typically range from $352 to $631. The lowest price found in the past 5 days was $418, on Alaska Airlines.

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Key details for Helena to Boise flights

Cheapest flight

$223
One-way flight from Helena to Boise

When to book flights from Helena to Boise

Are your dates flexible? Find out the best times to travel from Helena to Boise 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 Boise 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 Boise?

    Only Economy Class is available on flights from Helena to Boise.

  • How long is a flight from Helena to Boise?

    There are currently no nonstop flights available from Helena to Boise. Flights with 1 layover take between 4h 12m and 6h 43m in total, depending on the connection.

  • Do I need a passport to fly from Helena to Boise?

    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 Boise flight?

    Round-trip flights from Helena to Boise range from $352 to $631, with an average of $584 over the past 12 months. Anything below $352 counts as a good deal.

  • Have flight prices from Helena to Boise 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 $418 to $1,182. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Helena to Boise are currently higher than usual. Average one-way flight prices are about $680, which is 143% above the typical average for this route.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates averaging $84 for economy cars. Top options include:

    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

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

    Flights from Helena to Boise usually depart from Helena (HLN) and arrive at Boise Air Term. Gowen Fld (BOI).

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

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

    • Salt Lake City (SLC) - 61% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 22% of one-stop connections
    • Denver Intl (DEN) - 17% of one-stop connections

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

    Yes. Flexible dates can save you up to 53% on flights from Helena to Boise. Friday is the cheapest departure day at $352 round-trip on average, while Monday is the most expensive at $737, a difference of $385.

    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 much time can I save by choosing a different layover airport from Helena to Boise?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 12m, compared with 5h 32m via Seattle/Tacoma Intl (SEA) and 6h 43m via Denver Intl (DEN).

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking Helena to Boise 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 Friday departure and avoid flying on Monday. On this route, Friday flights average $352, about $385 less than Monday fares (52% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Comfort Suites Airport

More options for your flight from Helena to Boise

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

Car rentals in Boise
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