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$245+ Cheap flights from Helena (HLN) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Helena to Idaho

Cheapest flights from Helena to Idaho
Explore the most affordable flight options available from Helena to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amHLN - BOI
1 stop4h 38mDelta
Sat 1/35:50 amBOI - HLN
1 stop6h 40mDelta
Deal found 12/14$598
This Alaska Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:32 pmHLN - BOI
1 stop5h 05mAlaska Airlines
Sun 1/411:58 amBOI - HLN
1 stop5h 57mAlaska Airlines
Deal found 12/16$611
This Alaska Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:32 pmHLN - GEG
1 stop7h 00mAlaska Airlines
Sun 1/47:00 amGEG - HLN
1 stop9h 55mAlaska Airlines
Deal found 12/16$648
This Alaska Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:32 pmHLN - BOI
1 stop5h 05mAlaska Airlines
Mon 12/226:08 amBOI - HLN
1 stop11h 47mAlaska Airlines
Deal found 12/15$736
This Alaska Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:32 pmHLN - BOI
2 stops14h 43mAlaska Airlines
Sat 1/36:08 amBOI - HLN
1 stop11h 47mAlaska Airlines
Deal found 12/14$788
This Alaska Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:32 pmHLN - GEG
1 stop5h 38mAlaska Airlines
Sun 12/2810:17 amGEG - HLN
1 stop6h 38mAlaska Airlines
Deal found 12/16$943

Find flight deals from Helena to Idaho

Keep the following information in mind while searching for Helena to Idaho flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$245
(Alaska Airlines)
Provider with most accurate pricing for Helena-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Boise Air Term. Gowen Fld flights.
Search Deals
From Helena to Idaho
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Helena to Idaho that are best for you.

Fly from

Helena

Fly to

Idaho

Route

Depart

Return

Price

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/14

4:36 pm-10:40 pm

1 stop6h 04m

Boise Air Term. Gowen Fld

Wed 2/18

6:28 am-3:59 pm

1 stop9h 31m

$245

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:36 pm-11:01 pm

1 stop7h 25m

Spokane

Wed 3/4

8:10 am-3:59 pm

1 stop6h 49m

$245

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Fri 5/1

4:10 pm-8:52 pm

1 stop5h 42m

Spokane

Mon 5/4

9:30 am-3:38 pm

1 stop5h 08m

$430

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 1/1

6:32 pm-11:37 pm

1 stop5h 05m

Boise Air Term. Gowen Fld

Mon 1/5

9:55 am-5:55 pm

1 stop8h 00m

$537

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 1/1

6:32 pm-11:37 pm

1 stop5h 05m

Boise Air Term. Gowen Fld

Fri 1/2

10:47 am-5:55 pm

1 stop7h 08m

$545

HelenaBoise

HLN - BOI

HLNBOI

Helena

Tue 12/30

5:30 am-10:08 am

1 stop4h 38m

Boise Air Term. Gowen Fld

Sat 1/3

5:50 am-12:30 pm

1 stop6h 40m

$598

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Wed 12/31

6:32 pm-12:32 am

1 stop7h 00m

Spokane

Sun 1/4

7:00 am-5:55 pm

1 stop9h 55m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Helena to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Idaho

What is the cheapest month to book a flight from Helena to Idaho?

Currently, July is the cheapest month in which you can book a flight from Helena to Idaho (average of $105). Flying from Helena to Idaho in August is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with Delta from Helena to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Helena to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Helena to Idaho?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Idaho. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • How long is the flight from Helena to Idaho?

    For as low as $245, Alaska Airlines can have you in Idaho from Helena in 6h 04m. The distance from Helena to Idaho is about 294 mi.

  • Can I find deals for flights from Helena to Idaho that include hotel bookings?

    Yes. In addition to deals on Helena to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Idaho.

  • Can I find deals for business class flights from Helena to Idaho?

    Yes. Cheapflights offers flight deals from Helena to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Idaho?

    Currently, July is the cheapest month in which you can book a flight from Helena to Idaho (average of $105). Flying from Helena to Idaho in August is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Helena to Idaho

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Top airline flying from Helena to Idaho

Discover the top airline that operate flights from Helena to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$280Average$636FlexibilityNo cancel feeOn-timeN/A

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