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$158+ Cheap flights from Helena (HLN) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(Delta)

One-way from

$158
(Delta)

Popular in

November

Cheapest in

February

Average price

$400
Provider with most accurate pricing for Helena-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Helena-Boise Air Term. Gowen Fld flights.
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From Helena to Idaho
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One-way flight from Helena to Idaho
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Highest demand for flights based on searches. 30% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/227:29 pmHLN - BOI
1 stop21h 26mAlaska Airlines
Fri 4/251:00 pmBOI - HLN
1 stop5h 49mAlaska Airlines
Deal found 3/27$308
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/214:19 pmHLN - BOI
1 stop4h 00mHawaiian Airlines
Thu 4/242:41 pmBOI - HLN
1 stop4h 08mHawaiian Airlines
Deal found 3/27$314
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/241:18 pmHLN - BOI
1 stop5h 33mDelta
Sun 4/275:59 pmBOI - HLN
1 stop4h 59mDelta
Deal found 3/27$315
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/277:29 pmHLN - GEG
1 stop5h 30mAlaska Airlines
Thu 5/15:00 amGEG - HLN
1 stop12h 49mAlaska Airlines
Deal found 3/27$365
This Delta deal was found by Cheapflights users on 3/27. 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 4/275:45 amHLN - GEG
2 stops6h 57mDelta
Thu 5/11:25 pmGEG - HLN
2 stops8h 33mDelta
Deal found 3/27$374
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/114:19 pmHLN - GEG
1 stop6h 37mHawaiian Airlines
Tue 4/1510:49 amGEG - HLN
1 stop3h 50mHawaiian Airlines
Deal found 3/27$500
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/112:12 pmHLN - BOI
2 stops26h 09mUnited Airlines
Tue 4/152:00 pmBOI - HLN
2 stops31h 25mUnited Airlines
Deal found 3/26$620

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 March 28, 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

Tue 4/22

7:29 pm-4:55 pm

1 stop21h 26m

Boise Air Term. Gowen Fld

Fri 4/25

1:00 pm-6:49 pm

1 stop5h 49m

$308

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 4/21

4:19 pm-8:19 pm

1 stop4h 00m

Boise Air Term. Gowen Fld

Thu 4/24

2:41 pm-6:49 pm

1 stop4h 08m

$314

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 4/24

1:18 pm-6:51 pm

1 stop5h 33m

Boise Air Term. Gowen Fld

Sun 4/27

5:59 pm-10:58 pm

1 stop4h 59m

$315

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sun 4/27

7:29 pm-11:59 pm

1 stop5h 30m

Spokane

Thu 5/1

5:00 am-6:49 pm

1 stop12h 49m

$365

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sun 4/27

5:45 am-11:42 am

2 stops6h 57m

Spokane

Thu 5/1

1:25 pm-10:58 pm

2 stops8h 33m

$374

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Fri 4/11

4:19 pm-9:56 pm

1 stop6h 37m

Spokane

Tue 4/15

10:49 am-3:39 pm

1 stop3h 50m

$500

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 4/11

2:12 pm-4:21 pm

2 stops26h 09m

Boise Air Term. Gowen Fld

Tue 4/15

2:00 pm-9:25 pm

2 stops31h 25m

$620

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 4/26

5:45 am-10:07 am

1 stop4h 22m

$158

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 4/26

7:29 pm-9:46 am

2 stops38h 17m

$261

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 4/26

2:12 pm-1:47 pm

3 stops23h 35m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 $421). 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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 March 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Helena to Idaho by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,335 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 $421). 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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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$323Average$543FlexibilityNo cancel feeOn-timeN/A
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