HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$336+ Cheap flights from Boise to Helena (BOI - HLN)

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 11/126:00 amBOI - HLN
1 stop6h 26mDelta
Sun 11/165:30 amHLN - BOI
1 stop6h 30mDelta
Deal found 10/28$537
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/1211:43 amBOI - HLN
1 stop5h 53mAlaska Airlines
Sun 11/166:13 pmHLN - BOI
2 stops29h 36mAlaska Airlines
Deal found 10/28$635
This Delta deal was found by Cheapflights users on 10/29. 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 10/306:00 amBOI - HLN
1 stop6h 20mDelta
Sun 11/25:45 amHLN - BOI
1 stop4h 32mDelta
Deal found 10/29$787
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 10/307:00 pmBOI - HLN
2 stops18h 27mUnited Airlines
Sun 11/22:22 pmHLN - BOI
1 stop6h 59mUnited Airlines
Deal found 10/29$958

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(Alaska Airlines)

Popular in

October

Cheapest in

March

Average price

$941
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Helena flights.
Search Deals
From Boise Air Term. Gowen Fld to Helena
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

Tue 4/14

10:00 am-3:38 pm

1 stop5h 38m

Helena

Sat 4/18

4:10 pm-10:21 pm

1 stop6h 11m

$336

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 4/14

8:40 am-10:34 pm

2 stops13h 54m

Helena

Sat 4/18

5:45 am-10:13 am

1 stop4h 28m

$416

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 11/12

6:00 am-12:26 pm

1 stop6h 26m

Helena

Sun 11/16

5:30 am-12:00 pm

1 stop6h 30m

$537

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 11/12

11:43 am-5:36 pm

1 stop5h 53m

Helena

Sun 11/16

6:13 pm-11:49 pm

2 stops29h 36m

$635

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 11/4

11:43 am-5:36 pm

1 stop5h 53m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Helena flight deals on Cheapflights vs. eDreams >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, October is the cheapest month in which you can book a flight from Boise to Helena (average of $87). Flying from Boise to Helena in September is currently the most expensive (average of $298). 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 October 30, 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 42% versus a flight in the evening.

How much does it cost to fly round-trip from Boise to Helena?

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 October 30, 2025.
See what other customers who have flown with Delta from Boise to Helena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from Boise to Helena?

    Airlines like Alaska Airlines and Delta fly from Boise to Helena in about 5h 38m. The time it takes to get you to your destination can typically vary by up to 8h 16m. Boise and Helena are separated by a distance of 294 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Boise to Helena round-trip?

    According to our current data, Delta ($173), offers the cheapest pricing from Boise to Helena. You may be able to fly from Boise to Helena for 57% less than the average price by searching for this airline.

  • 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, October is the cheapest month in which you can book a flight from Boise to Helena (average of $87). Flying from Boise to Helena in September is currently the most expensive (average of $298). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Boise to Helena

Discover the top airline 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$287FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.