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Helena

$262+ Cheap flights from Idaho to Helena (HLN)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Idaho to Helena

Keep the following information in mind while searching for Idaho to Helena flight deals. Data was last updated September 17, 2025.

Round-trip from

$262
(Alaska Airlines)

Popular in

October

Cheapest in

March

Average price

$576
From Idaho to Helena
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Idaho to Helena

Cheapest flights from Idaho to Helena
Explore the most affordable flight options available from Idaho to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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.
Tue 10/146:30 amBOI - HLN
1 stop11h 11mAlaska Airlines
Tue 10/216:18 pmHLN - BOI
1 stop20h 18mAlaska Airlines
Deal found 9/16$262
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.
Mon 12/19:42 pmBOI - HLN
1 stop20h 09mAlaska Airlines
Wed 12/36:28 pmHLN - BOI
1 stop5h 22mAlaska Airlines
Deal found 9/15$332
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:43 pmBOI - HLN
1 stop4h 31mDelta
Sun 10/55:45 amHLN - BOI
1 stop4h 49mDelta
Deal found 9/16$578
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 10/19:00 amBOI - HLN
1 stop6h 21mAlaska Airlines
Sun 10/56:18 pmHLN - BOI
2 stops13h 02mAlaska Airlines
Deal found 9/16$605

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 September 17, 2025.
Use the filters below to find and compare flights from Idaho to Helena that are best for you.

Fly from

Idaho

Fly to

Helena

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Tue 10/14

6:30 am-5:41 pm

1 stop11h 11m

Helena

Tue 10/21

6:18 pm-2:36 pm

1 stop20h 18m

$262

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 12/1

9:42 pm-5:51 pm

1 stop20h 09m

Helena

Wed 12/3

6:28 pm-11:50 pm

1 stop5h 22m

$332

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 10/1

9:00 am-3:21 pm

1 stop6h 21m

Helena

Sun 10/5

6:18 pm-7:20 am

2 stops13h 02m

$605

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 9/26

5:43 pm-10:14 pm

1 stop4h 31m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Best time to book a flight from Idaho to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Idaho 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 Idaho to Helena

What is the cheapest month to book a flight from Idaho to Helena?

Currently, February is the cheapest month in which you can book a flight from Idaho to Helena (average of $353). Flying from Idaho to Helena in May is currently the most expensive (average of $517). 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.

What is the cheapest time of day to fly from ID to HLN?

Find hourly flight availability from Idaho to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Idaho to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from Idaho?

    If you book a flight to Helena from Idaho, you will be flying to Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena.

  • How long is the flight from Idaho to Helena?

    Departing from Idaho to Helena will take you 11h 11m. Idaho and Helena are separated by a distance of 294 mi.

  • Can I find deals for flights from Idaho to Helena that include hotel bookings?

    Yes. In addition to deals on Idaho to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Helena.

  • Can I find deals for business class flights from Idaho to Helena?

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Helena?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Helena (average of $353). Flying from Idaho to Helena in May is currently the most expensive (average of $517). 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

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Top airline flying from Idaho to Helena

Discover the top airline that operate flights from Idaho 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$332FlexibilityNo cancel feeOn-timeN/A

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