HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$169+ Cheap flights from Helena to Boise (HLN - BOI)

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to Boise 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.

Cheap flight deals from Helena to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Boise (BOI). 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 July 2, 2025.

Round-trip from

$260
(Alaska Airlines)

One-way from

$169
(Delta)

Popular in

November

Cheapest in

February

Average price

$488
From Helena to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Helena to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($225 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Helena to Boise

Cheapest flights from Helena to Boise
Explore the most affordable flight options available from Helena to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 10/256:18 pmHLN - BOI
1 stop4h 46mAlaska Airlines
Tue 10/2811:50 amBOI - HLN
1 stop5h 46mAlaska Airlines
Deal found 6/30$260
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 8/85:50 amHLN - BOI
1 stop3h 36mDelta
Sun 8/108:35 amBOI - HLN
1 stop3h 45mDelta
Deal found 6/30$337
This Hawaiian Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/154:09 pmHLN - BOI
1 stop6h 37mHawaiian Airlines
Sat 7/199:53 amBOI - HLN
1 stop5h 38mHawaiian Airlines
Deal found 6/30$480
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 7/235:39 pmHLN - BOI
2 stops22h 18mUnited Airlines
Mon 7/2810:45 amBOI - HLN
1 stop6h 10mUnited Airlines
Deal found 7/2$604

Cheapflights Fare Finder

Customize your flight search to find flights from Helena to Boise 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 July 2, 2025.
Use the filters below to find and compare flights from Helena to Boise that are best for you.

Fly from

Helena

Fly to

Boise

Route

Depart

Return

Price

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 10/25

6:18 pm-11:04 pm

1 stop4h 46m

Boise Air Term. Gowen Fld

Tue 10/28

11:50 am-5:36 pm

1 stop5h 46m

$260

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 8/8

5:50 am-9:26 am

1 stop3h 36m

Boise Air Term. Gowen Fld

Sun 8/10

8:35 am-12:20 pm

1 stop3h 45m

$337

HelenaBoise

HLN - BOI

HLNBOI

Helena

Tue 7/15

4:09 pm-10:46 pm

1 stop6h 37m

Boise Air Term. Gowen Fld

Sat 7/19

9:53 am-3:31 pm

1 stop5h 38m

$480

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 7/23

5:39 pm-3:57 pm

2 stops22h 18m

Boise Air Term. Gowen Fld

Mon 7/28

10:45 am-4:55 pm

1 stop6h 10m

$604

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 8/1

5:50 am-9:26 am

1 stop3h 36m

$169

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 8/1

4:08 pm-11:08 pm

2 stops31h 00m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Helena to Boise

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

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

Currently, October is the cheapest month in which you can book a flight from Helena to Boise (average of $314). Flying from Helena to Boise 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 Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 2, 2025.
Read through reviews of airlines operating flights from Helena to Boise, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,540 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Helena to Boise. 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 Helena to Boise round-trip?

    Alaska Airlines, at $260, was found to be the cheapest airline from Helena to Boise.Alternate airlines to your destination round-trip include Delta and Hawaiian Airlines. Alaska Airlines is priced at 54% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Helena to Boise (average of $314). Flying from Helena to Boise 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

Traveling to a place near Helena?

Book flights to Helena if you plan to visit one of these locations
Meridian
Nampa
McCall
Ontario
Caldwell

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 Helena to Boise

Discover the top airline that operate flights from Helena to Boise. 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$346Average$636FlexibilityNo 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.