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Helena

$119+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap 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 February 17, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/15. 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.
Sat 4/116:00 am
BOI
-
HLN
1 stop11h 45m
Alaska Airlines
Sun 4/126:22 pm
HLN
-
BOI
1 stop25h 26m
Alaska Airlines
Deal found 2/15$233
This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/42:37 pm
BOI
-
HLN
1 stop6h 56m
United Airlines
Sat 4/112:25 pm
HLN
-
BOI
1 stop7h 09m
United Airlines
Deal found 2/16$337
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 4/48:28 pm
BOI
-
HLN
1 stop21h 17m
Alaska Airlines
Sat 4/116:22 pm
HLN
-
BOI
1 stop5h 34m
Alaska Airlines
Deal found 2/13$338
This Alaska Airlines deal was found by Cheapflights users on 2/14. 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.
Tue 3/39:52 am
BOI
-
HLN
1 stop6h 07m
Alaska Airlines
Wed 3/44:36 pm
HLN
-
BOI
1 stop6h 04m
Alaska Airlines
Deal found 2/14$517
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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.
Tue 3/38:25 am
BOI
-
HLN
2 stops31h 34m
Alaska Airlines
Sat 3/74:36 pm
HLN
-
BOI
1 stop6h 04m
Alaska Airlines
Deal found 2/16$541

Find 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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$233
(Alaska Airlines)

One-way from

$119
(Delta)
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
One-way flight from Boise Air Term. Gowen Fld to Helena
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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 February 17, 2026.
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

Sat 4/11

6:00 am-5:45 pm

1 stop11h 45m

Helena

Sun 4/12

6:22 pm-7:48 pm

1 stop25h 26m

$233

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 4/4

2:37 pm-9:33 pm

1 stop6h 56m

Helena

Sat 4/11

2:25 pm-9:34 pm

1 stop7h 09m

$337

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 4/4

8:28 pm-5:45 pm

1 stop21h 17m

Helena

Sat 4/11

6:22 pm-11:56 pm

1 stop5h 34m

$338

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 3/3

11:54 am-3:59 pm

1 stop4h 05m

Helena

Wed 3/4

4:36 pm-9:15 pm

1 stop4h 39m

$517

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 3/3

8:25 am-3:59 pm

2 stops31h 34m

Helena

Sat 3/7

4:36 pm-10:40 pm

1 stop6h 04m

$541

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

5:35 am-12:25 pm

1 stop6h 50m

$119

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 3/6

5:35 am-12:25 pm

1 stop6h 50m

$250

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 3/2

6:35 pm-10:27 pm

1 stop3h 52m

$259

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 3/5

5:35 am-12:25 pm

1 stop6h 50m

$259

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sun 3/1

5:35 am-12:25 pm

1 stop6h 50m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 12 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub the most. FlightHub 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, August is the cheapest month in which you can book a flight from Boise to Helena (average of $86). 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.

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 United Airlines fly from Boise to Helena in about 6h 56m. The time it takes to get you to your destination can typically vary by up to 4h 49m. 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.

  • 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, August is the cheapest month in which you can book a flight from Boise to Helena (average of $86). 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

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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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$244FlexibilityNo cancel feeOn-timeN/A

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