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$262+ Cheap flights from Helena to Boise (HLN - BOI)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$262
(Hawaiian Airlines)
From Helena to Boise Air Term. Gowen Fld
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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 September 17, 2025.

This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:13 pmHLN - BOI
1 stop4h 07mAlaska Airlines
Wed 10/2911:43 amBOI - HLN
1 stop5h 53mAlaska Airlines
Deal found 9/15$305
This Delta deal was found by Cheapflights users on 9/17. 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 10/195:45 amHLN - BOI
1 stop4h 32mDelta
Sun 10/266:00 amBOI - HLN
1 stop6h 20mDelta
Deal found 9/17$357
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/196:18 pmHLN - BOI
1 stop18h 52mAlaska Airlines
Sun 10/268:50 pmBOI - HLN
1 stop20h 46mAlaska Airlines
Deal found 9/17$362
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 10/266:13 pmHLN - BOI
1 stop5h 41mHawaiian Airlines
Tue 10/2811:43 amBOI - HLN
1 stop5h 53mHawaiian Airlines
Deal found 9/15$380
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/266:13 pmHLN - BOI
1 stop5h 41mAlaska Airlines
Tue 10/286:45 pmBOI - HLN
2 stops22h 51mAlaska Airlines
Deal found 9/15$395
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/14:02 pmHLN - BOI
1 stop4h 04mAlaska Airlines
Sun 10/56:30 amBOI - HLN
1 stop11h 11mAlaska Airlines
Deal found 9/16$516

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 September 17, 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 2/28

4:10 pm-8:15 pm

1 stop4h 05m

Boise Air Term. Gowen Fld

Tue 3/3

8:00 am-3:43 pm

1 stop7h 43m

$262

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/28

12:50 pm-10:05 pm

2 stops9h 15m

Boise Air Term. Gowen Fld

Tue 3/3

10:38 am-10:38 pm

2 stops12h 00m

$274

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 10/27

6:13 pm-10:20 pm

1 stop4h 07m

Boise Air Term. Gowen Fld

Wed 10/29

11:43 am-5:36 pm

1 stop5h 53m

$305

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/19

5:45 am-10:17 am

1 stop4h 32m

Boise Air Term. Gowen Fld

Sun 10/26

6:00 am-12:20 pm

1 stop6h 20m

$357

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/19

6:18 pm-1:10 pm

1 stop18h 52m

Boise Air Term. Gowen Fld

Sun 10/26

8:50 pm-5:36 pm

1 stop20h 46m

$362

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 9/25

5:45 am-10:34 am

1 stop4h 49m

$329

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 9/25

4:02 pm-7:20 am

2 stops15h 18m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 September 17, 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
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.

  • How long is the flight from Helena to Boise?

    There are many flights that can get you from Helena to Boise in 4h 05m. Fly via Hawaiian Airlines or Delta to get the fastest option. Airlines will cover a distance of 294 mi. This flight may include one or multiple stops.

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

    Delta, at $228, was found to be the cheapest airline from Helena to Boise..

  • 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 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

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$656FlexibilityNo cancel feeOn-timeN/A

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