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Helena

$288+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
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 July 22, 2026.

This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:33 am
BOI
-
HLN
1 stop9h 31m
Alaska Airlines
Sun 11/154:41 pm
HLN
-
BOI
1 stop5h 39m
Alaska Airlines
Deal found 7/20$389
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/272:17 pm
BOI
-
HLN
1 stop26h 17m
Alaska Airlines
Sun 8/305:11 pm
HLN
-
BOI
1 stop6h 33m
Alaska Airlines
Deal found 7/22$406
This Delta deal was found by Cheapflights users on 7/22. 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 8/98:45 am
BOI
-
HLN
1 stop3h 30m
Delta
Sat 8/1512:55 pm
HLN
-
BOI
1 stop3h 27m
Delta
Deal found 7/22$535
This Delta deal was found by Cheapflights users on 7/19. 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 8/38:45 am
BOI
-
HLN
1 stop3h 30m
Delta
Fri 8/75:40 am
HLN
-
BOI
1 stop4h 08m
Delta
Deal found 7/19$575
This Delta deal was found by Cheapflights users on 7/22. 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 8/56:45 pm
BOI
-
HLN
1 stop3h 45m
Delta
Sat 8/812:55 pm
HLN
-
BOI
1 stop3h 27m
Delta
Deal found 7/22$585
This Expedia deal was found by Cheapflights users on 7/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:15 am
BOI
-
HLN
1 stop8h 17m
Alaska Airlines
Sat 8/155:09 pm
HLN
-
BOI
2 stops16h 10m
Alaska Airlines
Deal found 7/22$659
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:15 am
BOI
-
HLN
1 stop8h 17m
Alaska Airlines
Tue 8/45:09 pm
HLN
-
BOI
1 stop6h 55m
Alaska Airlines
Deal found 7/21$665
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/38:15 am
BOI
-
HLN
1 stop8h 17m
Alaska Airlines
Fri 8/75:09 pm
HLN
-
BOI
2 stops14h 58m
Alaska Airlines
Deal found 7/19$724

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 July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(Expedia)

One-way from

$288
(United Airlines)
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.
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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 July 22, 2026.
Use the filters below to find and compare flights from Boise to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 11/12

10:49 am-4:04 pm

1 stop5h 15m

Helena

Sun 11/15

4:41 pm-8:12 pm

2 stops27h 31m

$442

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 8/27

7:30 am-4:34 pm

2 stops9h 04m

Helena

Sun 8/30

5:11 pm-1:21 pm

2 stops20h 10m

$503
Quickest round-trip

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/3

8:45 am-12:15 pm

1 stop3h 30m

Helena

Fri 8/7

5:40 am-9:48 am

1 stop4h 08m

$575

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/3

8:15 am-4:32 pm

1 stop8h 17m

Helena

Fri 8/7

5:09 pm-8:07 am

2 stops14h 58m

$724

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 8/5

6:23 am-4:32 pm

1 stop10h 09m

Helena

Sat 8/8

5:09 pm-8:07 am

2 stops14h 58m

$729

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sun 8/9

5:57 am-4:32 pm

2 stops10h 35m

Helena

Sat 8/15

5:09 pm-7:13 pm

2 stops26h 04m

$759

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/3

8:15 am-4:32 pm

1 stop8h 17m

Helena

Tue 8/4

5:09 pm-12:49 pm

2 stops19h 40m

$809
Cheapest one-way
Quickest one-way

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 8/4

2:40 pm-9:20 pm

1 stop6h 40m

$288

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 8/4

6:53 pm-4:32 pm

2 stops21h 39m

$473

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 8/4

1:24 pm-4:32 pm

3 stops51h 08m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first

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 July.
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.

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 3h 30m. The time it takes to get you to your destination can typically vary by up to 1h 45m. 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.

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