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Helena

$245+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/312:40 pmBOI - HLN
1 stop6h 51mUnited Airlines
Sun 1/46:10 amHLN - BOI
1 stop7h 26mUnited Airlines
Deal found 12/16$612
This Alaska Airlines deal was found by Cheapflights users on 12/14. 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 12/309:55 amBOI - HLN
1 stop8h 00mAlaska Airlines
Fri 1/26:32 pmHLN - BOI
1 stop5h 05mAlaska Airlines
Deal found 12/14$619
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/315:43 amBOI - HLN
2 stops12h 12mAlaska Airlines
Sun 1/46:32 pmHLN - BOI
1 stop5h 05mAlaska Airlines
Deal found 12/16$643

Find flight deals from Idaho to Helena

Keep the following information in mind while searching for Idaho to Helena flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$245
(Alaska 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.
Search Deals
From Idaho to Helena
Search Deals

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 December 18, 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

Sat 3/7

6:28 am-3:59 pm

1 stop9h 31m

Helena

Wed 3/11

4:36 pm-11:59 pm

1 stop7h 23m

$245

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 1/30

5:55 pm-6:11 pm

1 stop24h 16m

Helena

Mon 2/2

6:48 pm-9:05 pm

1 stop26h 17m

$254

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 1/16

9:02 am-6:11 pm

1 stop9h 09m

Helena

Fri 1/23

6:48 pm-11:59 pm

1 stop5h 11m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, October is the cheapest month in which you can book a flight from Idaho to Helena (average of $86). Flying from Idaho 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.

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 December 18, 2025.

One of the essential ways to save on airfare from Idaho to Helena is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 42% on airfare.

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 9h 31m. 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, October is the cheapest month in which you can book a flight from Idaho to Helena (average of $86). Flying from Idaho 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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$244FlexibilityNo cancel feeOn-timeN/A

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