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Helena

$158+ Cheap flights from Boise to Helena (BOI - HLN)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
avr. 27 — mai 41
dim. 4/27
dim. 5/4
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Boise to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated avril 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$322
(Alaska Airlines)

One-way from

$158
(Delta)

Popular in

September

Cheapest in

March

Average price

$356
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Helena flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Helena flights.
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From Boise Air Term. Gowen Fld to Helena
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One-way flight from Boise Air Term. Gowen Fld to Helena
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Highest demand for flights based on searches. 13% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Boise to Helena

Cheapest flights from Boise to Helena
Explore the most affordable flight options available from Boise to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
lun. 5/194:35 pmBOI - HLN
1 stop22h 56mAlaska Airlines
mer. 5/214:11 pmHLN - BOI
1 stop6h 31mAlaska Airlines
Deal found 4/22$322
This Delta deal was found by Cheapflights users on 4/21. 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.
lun. 5/195:40 pmBOI - HLN
1 stop4h 36mDelta
lun. 5/265:45 amHLN - BOI
1 stop4h 21mDelta
Deal found 4/21$423

Cheapflights Fare Finder

Customize your flight search to find flights from Boise to Helena 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 avril 22, 2025.
Use the filters below to find and compare flights from Boise to Helena that are best for you.

Fly from

Boise

Fly to

Helena

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

lun. 5/19

4:35 pm-3:31 pm

1 stop22h 56m

Helena

mer. 5/21

4:11 pm-10:42 pm

1 stop6h 31m

$322

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

lun. 5/19

5:40 pm-10:16 pm

1 stop4h 36m

Helena

lun. 5/26

5:45 am-10:06 am

1 stop4h 21m

$423

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

jeu. 5/22

5:40 pm-10:16 pm

1 stop4h 36m

$158

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

lun. 4/28

2:41 pm-6:49 pm

1 stop4h 08m

$318

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

jeu. 5/22

12:25 pm-3:31 pm

2 stops51h 06m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Compare providers for flights from Boise to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Helena in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Helena flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Boise 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 Boise to Helena

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

Currently, February is the cheapest month in which you can book a flight from Boise to Helena (average of $353). Flying from Boise to Helena in July is currently the most expensive (average of $607). 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.

What is the cheapest time of day to fly from BOI to HLN?

Find hourly flight availability from Boise to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 22, 2025.

When flying from Boise to Helena, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 28% versus a flight in the afternoon.

Rainfall in Helena by month

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

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

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

If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated avril 22, 2025.
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

  • What are the cheapest airlines flying from Boise to Helena round-trip?

    According to our current data, Alaska Airlines ($322), and Delta ($719) offers the cheapest pricing from Boise to Helena. You may be able to fly from Boise to Helena for 22% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boise to Helena one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $158. Hawaiian Airlines flights start at $318 while deals on Alaska Airlines start at $351 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Helena 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 Boise to Helena?

    Currently, February is the cheapest month in which you can book a flight from Boise to Helena (average of $353). Flying from Boise to Helena in July is currently the most expensive (average of $607). 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 2 airlines flying from Boise to Helena

Discover the top 2 airlines that operate flights from Boise to Helena. 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 avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$387FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$257Average$534FlexibilityNo cancel feeOn-time75%

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