HLN - BOI

$210 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
$394
Typical prices: $352-$737
Alaska Airlines
Sat 11/10Wed 11/14
HLN - BOI • 1 stop
Cheapest one-way
$210
Typical prices: $187-$378
Alaska Airlines
Wed 11/7
HLN - BOI • 1 stop
When to travel
January
Cheapest • 52% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $340 (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, Nov 10 - Sat, Nov 14
Alaska Airlines Logo
4:41 pm - 10:20 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
5h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:37 am - 4:04 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
9h 27m1 stop Seattle/Tacoma Intl
$394Alaska Airlines
Wed, Nov 4 - Sat, Nov 7
Alaska Airlines Logo
4:41 pm - 10:20 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
5h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:49 am - 4:04 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
5h 15m1 stop Seattle/Tacoma Intl
$404Alaska Airlines
Fri, Oct 23 - Sun, Oct 25
Delta Logo
7:15 am - 10:42 amHLN  Helena-BOI Boise Air Term. Gowen Fld
3h 27m1 stop Salt Lake City
Delta Logo
6:49 pm - 10:24 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
3h 35m1 stop Salt Lake City
$465Delta
Tue, Nov 10 - Sat, Nov 14
Alaska Airlines Logo
4:41 pm - 3:27 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
22h 46m2 stops Seattle/Tacoma Intl Sacramento Intl
Alaska Airlines Logo
6:37 am - 4:04 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
9h 27m1 stop Seattle/Tacoma Intl
$471Alaska Airlines
Wed, Nov 4 - Sat, Nov 7
Alaska Airlines Logo
4:41 pm - 3:27 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
22h 46m2 stops Seattle/Tacoma Intl Sacramento Intl
Alaska Airlines Logo
8:20 am - 4:04 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
7h 44m1 stop Seattle/Tacoma Intl
$481Alaska Airlines
Tue, Nov 10 - Sat, Nov 14
Alaska Airlines Logo
4:41 pm - 12:57 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
20h 16m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
5:43 am - 4:04 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
10h 21m2 stops Portland Seattle/Tacoma Intl
$483Alaska Airlines
Wed, Oct 7 - Sun, Oct 11
Delta Logo
1:08 pm - 5:59 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
4h 51m1 stop Salt Lake City
Delta Logo
6:00 am - 12:28 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
6h 28m1 stop Salt Lake City
$605Delta
Wed, Oct 7 - Sat, Oct 10
Alaska Airlines Logo
5:26 pm - 10:06 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
4h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:06 am - 4:49 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
6h 43m1 stop Seattle/Tacoma Intl
$605Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
Alaska Airlines Logo
5:26 pm - 11:59 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
6h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:06 am - 4:49 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
6h 43m1 stop Seattle/Tacoma Intl
$605Alaska Airlines
Wed, Dec 30 - Sat, Jan 2
Delta Logo
5:30 am - 9:52 amHLN  Helena-BOI Boise Air Term. Gowen Fld
4h 22m1 stop Salt Lake City
Delta Logo
5:50 am - 12:25 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
6h 35m1 stop Salt Lake City
$616Delta
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 $737. The lowest price found in the past 5 days was $394, on Alaska Airlines.

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Key details for Helena to Boise flights

Low season

March

Cheapest flight

$210
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 03m 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 $737, with an average of $586 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 $394 to $959. That means the highest observed fare was about 2x 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 lower than usual. Average one-way flight prices are about $259, which is 20% below 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 starting from around $31 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) - 86% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 10% of one-stop connections
    • Denver Intl (DEN) - 5% 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 21% on flights from Helena to Boise. Friday is the cheapest departure day at $586 round-trip on average, while Sunday is the most expensive at $738, a difference of $152.

    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 16m via Seattle/Tacoma Intl (SEA) and 6h 03m 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 Sunday. On this route, Friday flights average $586, about $152 less than Sunday fares (21% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Helena to Boise trip for January. Fares historically average $280 round-trip in that month - typically $458 less than the most expensive month, which is October (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
    • Hotel 28 Boise Airport, an Ascend Collection Hotel

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
Hotels in Boise
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