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$262+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Helena to Idaho

Keep the following information in mind while searching for Helena to Idaho flight deals. Data was last updated September 17, 2025.

Round-trip from

$262
(Hawaiian Airlines)
From Helena to Idaho
Search Deals

Find 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 September 17, 2025.

This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:13 pmHLN - BOI
1 stop4h 07mAlaska Airlines
Wed 10/2911:43 amBOI - HLN
1 stop5h 53mAlaska Airlines
Deal found 9/15$305
This Delta deal was found by Cheapflights users on 9/17. 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.
Sun 10/195:45 amHLN - BOI
1 stop4h 32mDelta
Sun 10/266:00 amBOI - HLN
1 stop6h 20mDelta
Deal found 9/17$357
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/196:18 pmHLN - BOI
1 stop18h 52mAlaska Airlines
Sun 10/268:50 pmBOI - HLN
1 stop20h 46mAlaska Airlines
Deal found 9/17$362
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/106:18 pmHLN - GEG
1 stop15h 02mAlaska Airlines
Sun 10/127:30 amGEG - HLN
1 stop9h 11mAlaska Airlines
Deal found 9/15$372
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:13 pmHLN - BOI
1 stop5h 41mHawaiian Airlines
Tue 10/2811:43 amBOI - HLN
1 stop5h 53mHawaiian Airlines
Deal found 9/15$380
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/266:13 pmHLN - BOI
1 stop5h 41mAlaska Airlines
Tue 10/286:45 pmBOI - HLN
2 stops22h 51mAlaska Airlines
Deal found 9/15$395
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/14:02 pmHLN - BOI
1 stop4h 04mAlaska Airlines
Sun 10/56:30 amBOI - HLN
1 stop11h 11mAlaska Airlines
Deal found 9/16$516
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/14:02 pmHLN - GEG
1 stop20h 28mAlaska Airlines
Sun 10/58:54 pmGEG - HLN
1 stop19h 47mAlaska Airlines
Deal found 9/16$604
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/224:02 pmHLN - GEG
1 stop5h 03mAlaska Airlines
Fri 9/268:51 pmGEG - HLN
1 stop17h 30mAlaska Airlines
Deal found 9/14$830

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 September 17, 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 2/28

4:10 pm-8:15 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Tue 3/3

8:00 am-3:43 pm

1 stop7h 43m

$262

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/28

12:50 pm-10:05 pm

2 stops9h 15m

Boise Air Term. Gowen Fld

Tue 3/3

10:38 am-10:38 pm

2 stops12h 00m

$274

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:10 pm-8:59 pm

1 stop5h 49m

Spokane

Tue 3/3

7:20 pm-3:43 pm

1 stop19h 23m

$282

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:10 pm-8:59 pm

1 stop5h 49m

Spokane

Tue 3/3

7:30 am-3:43 pm

1 stop7h 13m

$282

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

12:50 pm-9:03 pm

2 stops9h 13m

Spokane

Tue 3/3

6:10 am-10:38 pm

2 stops15h 28m

$294

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 10/27

6:13 pm-10:20 pm

1 stop4h 07m

Boise Air Term. Gowen Fld

Wed 10/29

11:43 am-5:36 pm

1 stop5h 53m

$305

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/19

5:45 am-10:17 am

1 stop4h 32m

Boise Air Term. Gowen Fld

Sun 10/26

6:00 am-12:20 pm

1 stop6h 20m

$357

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/19

6:18 pm-1:10 pm

1 stop18h 52m

Boise Air Term. Gowen Fld

Sun 10/26

8:50 pm-5:36 pm

1 stop20h 46m

$362

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Fri 10/10

6:18 pm-8:20 am

1 stop15h 02m

Spokane

Sun 10/12

7:30 am-5:41 pm

1 stop9h 11m

$372

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Wed 10/1

4:02 pm-11:30 am

1 stop20h 28m

Spokane

Sun 10/5

8:54 pm-5:41 pm

1 stop19h 47m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 22 results
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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, October is the cheapest month in which you can book a flight from Helena to Idaho (average of $314). Flying from Helena to Idaho in June is currently the most expensive (average of $398). 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 September 17, 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
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $262, Hawaiian Airlines can have you in Idaho from Helena in 4h 05m. The distance from Helena to Idaho is about 294 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, October is the cheapest month in which you can book a flight from Helena to Idaho (average of $314). Flying from Helena to Idaho in June is currently the most expensive (average of $398). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$656FlexibilityNo cancel feeOn-timeN/A

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