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Helena

$89+ Cheap flights from Idaho to Helena (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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HLN
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 3/311:54 am
BOI
-
HLN
1 stop4h 05m
Alaska Airlines
Wed 3/44:36 pm
HLN
-
BOI
1 stop6h 04m
Alaska Airlines
Deal found 2/8$177
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 4/47:00 am
BOI
-
HLN
2 stops10h 45m
Alaska Airlines
Sat 4/116:22 pm
HLN
-
BOI
1 stop5h 34m
Alaska Airlines
Deal found 2/10$436
This Delta deal was found by Cheapflights users on 2/8. 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 2/236:35 pm
BOI
-
HLN
1 stop3h 52m
Delta
Fri 2/275:30 am
HLN
-
BOI
1 stop4h 15m
Delta
Deal found 2/8$517
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 2/238:25 am
BOI
-
HLN
2 stops31h 34m
Alaska Airlines
Fri 2/274:36 pm
HLN
-
BOI
1 stop6h 04m
Alaska Airlines
Deal found 2/8$561

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$89
(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 Idaho to Helena
Search Deals
One-way flight from Idaho to Helena
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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 February 11, 2026.
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 3/3

11:54 am-3:59 pm

1 stop4h 05m

Helena

Wed 3/4

4:36 pm-10:40 pm

1 stop6h 04m

$177

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 4/4

9:55 am-5:45 pm

1 stop7h 50m

Helena

Sat 4/11

6:22 pm-11:56 pm

1 stop5h 34m

$343

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 3/4

5:35 am-12:25 pm

1 stop6h 50m

$89

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Wed 3/4

7:00 am-3:59 pm

2 stops8h 59m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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, August 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.

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 4h 05m. 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, August 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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$244FlexibilityNo cancel feeOn-timeN/A

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