HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$183+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
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 August 13, 2025.

Round-trip from

$447
(United Airlines)

One-way from

$183
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$503
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. 27% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 13, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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 9/125:20 pmHLN - BOI
1 stop5h 01mUnited Airlines
Sun 9/1410:48 amBOI - HLN
1 stop5h 16mUnited Airlines
Deal found 8/12$447
This Hawaiian Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 8/274:02 pmHLN - BOI
1 stop6h 38mHawaiian Airlines
Sun 8/319:00 amBOI - HLN
1 stop6h 21mHawaiian Airlines
Deal found 8/12$496
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 8/245:20 pmHLN - BOI
1 stop5h 01mUnited Airlines
Sun 8/3110:45 amBOI - HLN
1 stop5h 19mUnited Airlines
Deal found 8/12$567
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/124:02 pmHLN - BOI
2 stops26h 35mAlaska Airlines
Sun 9/146:01 pmBOI - HLN
2 stops21h 20mAlaska Airlines
Deal found 8/12$610
This Delta deal was found by Cheapflights users on 8/11. 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.
Mon 8/251:00 pmHLN - BOI
1 stop3h 57mDelta
Thu 8/286:00 amBOI - HLN
1 stop6h 20mDelta
Deal found 8/11$638
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 8/254:02 pmHLN - BOI
1 stop6h 38mAlaska Airlines
Mon 9/16:00 amBOI - HLN
2 stops9h 21mAlaska Airlines
Deal found 8/12$645
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 8/274:02 pmHLN - BOI
2 stops31h 55mAlaska Airlines
Sun 8/311:30 pmBOI - HLN
2 stops25h 51mAlaska Airlines
Deal found 8/12$646
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/155:39 pmHLN - BOI
1 stop4h 48mUnited Airlines
Sun 8/1710:45 amBOI - HLN
1 stop6h 10mUnited Airlines
Deal found 8/12$737
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 8/255:20 pmHLN - BOI
1 stop5h 01mUnited Airlines
Thu 8/282:13 pmBOI - HLN
2 stops23h 17mUnited Airlines
Deal found 8/11$765
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 8/254:02 pmHLN - BOI
2 stops27h 48mAlaska Airlines
Thu 8/287:15 amBOI - HLN
2 stops8h 06mAlaska Airlines
Deal found 8/11$844

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 August 13, 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

Fri 9/12

5:20 pm-10:21 pm

1 stop5h 01m

Boise Air Term. Gowen Fld

Sun 9/14

10:48 am-4:04 pm

1 stop5h 16m

$447

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 8/27

4:02 pm-10:40 pm

1 stop6h 38m

Boise Air Term. Gowen Fld

Sun 8/31

9:00 am-3:21 pm

1 stop6h 21m

$496

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 8/27

4:02 pm-11:57 pm

2 stops31h 55m

Boise Air Term. Gowen Fld

Sun 8/31

9:00 am-3:21 pm

1 stop6h 21m

$567

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 8/24

5:20 pm-10:21 pm

1 stop5h 01m

Boise Air Term. Gowen Fld

Sun 8/31

10:45 am-4:04 pm

1 stop5h 19m

$567

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 8/25

2:30 pm-10:21 pm

1 stop7h 51m

Boise Air Term. Gowen Fld

Mon 9/1

2:42 pm-9:11 pm

1 stop6h 29m

$567

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 9/12

4:02 pm-6:37 pm

2 stops26h 35m

Boise Air Term. Gowen Fld

Sun 9/14

6:01 pm-3:21 pm

2 stops21h 20m

$610

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 8/25

1:00 pm-4:57 pm

1 stop3h 57m

Boise Air Term. Gowen Fld

Thu 8/28

6:00 am-12:20 pm

1 stop6h 20m

$638

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 8/25

4:02 pm-10:40 pm

1 stop6h 38m

Boise Air Term. Gowen Fld

Mon 9/1

6:00 am-3:21 pm

2 stops9h 21m

$645

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 8/25

5:20 pm-10:21 pm

1 stop5h 01m

Boise Air Term. Gowen Fld

Thu 8/28

2:13 pm-1:30 pm

2 stops23h 17m

$765

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 8/25

4:02 pm-7:50 pm

2 stops27h 48m

Boise Air Term. Gowen Fld

Thu 8/28

7:15 am-3:21 pm

2 stops8h 06m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 12 results
1
2

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 $399). 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 August 13, 2025.
Read through reviews of airlines operating flights from Helena to Boise, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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 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?

    United Airlines, at $447, was found to be the cheapest airline from Helena to Boise. An alternate airline flying to your destination would be Hawaiian Airlines. United Airlines is priced at 22% 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 $399). 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 Boise?

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

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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$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.