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$359+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheap 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 21, 2026.

This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:41 pm
HLN
-
BOI
1 stop7h 10m
Alaska Airlines
Tue 11/1010:49 am
BOI
-
HLN
1 stop5h 15m
Alaska Airlines
Deal found 7/20$359
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.
Tue 8/1812:55 pm
HLN
-
BOI
1 stop5h 00m
Delta
Mon 8/246:45 pm
BOI
-
HLN
1 stop3h 45m
Delta
Deal found 7/19$375
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:40 am
HLN
-
BOI
1 stop4h 08m
Delta
Sat 8/226:00 am
BOI
-
HLN
1 stop6h 15m
Delta
Deal found 7/20$422
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.
Tue 8/185:09 pm
HLN
-
BOI
1 stop6h 55m
Alaska Airlines
Mon 8/246:49 pm
BOI
-
HLN
2 stops45h 45m
Alaska Airlines
Deal found 7/19$427
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:09 pm
HLN
-
BOI
1 stop6h 55m
Alaska Airlines
Fri 8/216:23 am
BOI
-
HLN
1 stop10h 32m
Alaska Airlines
Deal found 7/21$432
This Delta deal was found by Cheapflights users on 7/17. 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.
Mon 8/1012:55 pm
HLN
-
BOI
1 stop5h 00m
Delta
Sun 8/166:00 am
BOI
-
HLN
1 stop6h 15m
Delta
Deal found 7/17$435
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Fri 10/25:18 pm
HLN
-
BOI
1 stop20h 53m
Alaska Airlines
Sun 10/46:40 am
BOI
-
HLN
1 stop9h 31m
Alaska Airlines
Deal found 7/16$458

Find 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Alaska Airlines)
Provider with most accurate pricing for Helena-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Boise Air Term. Gowen Fld flights.
Search Deals
From Helena to Boise Air Term. Gowen Fld
Search Deals

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 21, 2026.
Use the filters below to find and compare flights from Helena to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 11/7

4:41 pm-11:51 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

Tue 11/10

10:49 am-4:04 pm

1 stop5h 15m

$359
Quickest round-trip

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 8/14

5:40 am-9:48 am

1 stop4h 08m

Boise Air Term. Gowen Fld

Sat 8/22

6:00 am-12:15 pm

1 stop6h 15m

$422

HelenaBoise

HLN - BOI

HLNBOI

Helena

Fri 10/2

5:18 pm-2:11 pm

1 stop20h 53m

Boise Air Term. Gowen Fld

Sun 10/4

6:40 am-4:11 pm

1 stop9h 31m

$458

HelenaBoise

HLN - BOI

HLNBOI

Helena

Tue 8/18

5:09 pm-7:45 pm

2 stops26h 36m

Boise Air Term. Gowen Fld

Mon 8/24

10:00 am-4:34 pm

1 stop6h 34m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Sorted by cheapest first

Compare providers for flights from Helena to Boise

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 Helena to Boise 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 Helena-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Boise 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 Helena-Boise 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 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.

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 21, 2026.
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
7.8
Good
8,473 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,473 reviews
Delta
7.8
Good
8,473 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 08m. Fly via Alaska Airlines or Delta to get the fastest option. Airlines will cover a distance of 294 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
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Caldwell
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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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$280Average$706FlexibilityNo cancel feeOn-timeN/A

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