HLN - BOI

$203 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
$365
Typical prices: $352-$737
Delta
Sun 10/7Sat 10/13
HLN - BOI • 1 stop
Cheapest one-way
$203
Typical prices: $187-$378
Alaska Airlines
Mon 10/15
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

Wed, Oct 7 - Tue, Oct 13
Delta Logo
7:15 am - 10:42 amHLN  Helena-BOI Boise Air Term. Gowen Fld
3h 27m1 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
$365Delta
Wed, Oct 21 - Thu, Oct 22
Delta Logo
7:15 am - 10:42 amHLN  Helena-BOI Boise Air Term. Gowen Fld
3h 27m1 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
$385Delta
Mon, Jan 4 - Tue, Jan 12
Alaska Airlines Logo
4:18 pm - 10:25 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
6h 07m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:57 am - 4:23 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
6h 26m1 stop Seattle/Tacoma Intl
$385Alaska Airlines
Mon, Oct 26 - Tue, Oct 27
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
6:43 am - 4:49 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
10h 06m1 stop Seattle/Tacoma Intl
$400Alaska Airlines
Wed, Oct 7 - Tue, Oct 13
Alaska Airlines Logo
5:26 pm - 10:51 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
29h 25m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
10:06 am - 4:49 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
6h 43m1 stop Seattle/Tacoma Intl
$427Alaska Airlines
Thu, Sep 24 - Sat, Sep 26
Alaska Airlines Logo
5:18 pm - 10:38 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
5h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:20 pm - 4:41 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
24h 21m1 stop Seattle/Tacoma Intl
$445Alaska Airlines
Mon, Jan 4 - Tue, Jan 12
Alaska Airlines Logo
4:18 pm - 10:25 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
6h 07m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:02 am - 4:23 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
30h 21m2 stops San Francisco Seattle/Tacoma Intl
$467Alaska Airlines
Sun, Oct 25 - Tue, Oct 27
Alaska Airlines Logo
5:26 pm - 6:17 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
24h 51m1 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
$484Alaska Airlines
Mon, Oct 26 - Tue, Oct 27
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
7:20 am - 4:49 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
9h 29m2 stops San Diego Seattle/Tacoma Intl
$493Alaska Airlines
Wed, Oct 7 - Tue, Oct 13
Alaska Airlines Logo
5:26 pm - 10:51 pmHLN  Helena-BOI Boise Air Term. Gowen Fld
29h 25m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
7:20 am - 4:49 pmBOI  Boise Air Term. Gowen Fld-HLN Helena
33h 29m2 stops San Diego Seattle/Tacoma Intl
$499Alaska Airlines
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 from Helena to Boise with more confidence.

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

Round-trip flights from Helena to Boise start at $365. Prices are typical for this route right now, with typical round-trip fares ranging from $352 to $737. The lowest price found in the past 5 days was $365 on Delta.

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Key details for Helena to Boise flights

Low season

March

Cheapest flight

$203
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

  • 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

    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 Helena to Boise?

    Yes. Being flexible with your travel dates can save you up to 21% on the Helena to Boise route. 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.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

  • 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.

  • 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 $365 to $802. 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 higher than usual. Average one-way flight prices are about $397, which is 23% above the typical average for this route.

  • 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 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

  • 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.

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 can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $586 - about $152 less than Sunday (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
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Americas Best Value Inn & Suites-Boise

Everything you need to know for your flight from Helena to Boise

Information on your arrival and departure airports

Helena (HLN)
Boise (BOI)