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$319+ Cheap flights from Helena (HLN) to Idaho

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Helena to Idaho

Keep the following information in mind while searching for Helena to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$381
(Delta)

One-way from

$319
(Delta)

Popular in

November

Cheapest in

February
From Helena to Idaho
Search Deals
One-way flight from Helena to Idaho
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($50 potential savings vs. average RT price).
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Find flight deals from Helena to Idaho

Cheapest flights from Helena to Idaho
Explore the most affordable flight options available from Helena to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:44 amHLN - BOI
1 stop3h 45mDelta
Sun 7/65:40 amBOI - HLN
1 stop6h 47mDelta
Deal found 6/10$381
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 12/104:10 pmHLN - GEG
1 stop5h 49mAlaska Airlines
Mon 12/157:20 pmGEG - HLN
1 stop19h 23mAlaska Airlines
Deal found 6/11$399
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/114:09 pmHLN - BOI
1 stop6h 37mAlaska Airlines
Thu 8/146:25 amBOI - HLN
1 stop9h 06mAlaska Airlines
Deal found 6/10$420
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/94:09 pmHLN - BOI
1 stop6h 37mHawaiian Airlines
Thu 7/105:43 pmBOI - HLN
1 stop21h 48mHawaiian Airlines
Deal found 6/11$429
This Delta deal was found by Cheapflights users on 6/11. 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 12/1012:50 pmHLN - GEG
2 stops9h 14mDelta
Mon 12/151:00 pmGEG - HLN
2 stops8h 37mDelta
Deal found 6/11$434
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/254:09 pmHLN - GEG
1 stop6h 00mHawaiian Airlines
Sun 6/298:00 amGEG - HLN
1 stop6h 31mHawaiian Airlines
Deal found 6/10$674
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/186:20 amHLN - GEG
1 stop15h 28mUnited Airlines
Thu 6/266:25 pmGEG - HLN
1 stop21h 30mUnited Airlines
Deal found 6/11$710
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:39 pmHLN - BOI
3 stops18h 04mUnited Airlines
Sun 7/67:00 amBOI - HLN
1 stop6h 58mUnited Airlines
Deal found 6/10$738

Cheapflights Fare Finder

Customize your flight search to find flights from Helena to Idaho 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 June 12, 2025.
Use the filters below to find and compare flights from Helena to Idaho that are best for you.

Fly from

Helena

Fly to

Idaho

Route

Depart

Return

Price

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 7/2

5:44 am-9:29 am

1 stop3h 45m

Boise Air Term. Gowen Fld

Sun 7/6

5:40 am-12:27 pm

1 stop6h 47m

$381

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 8/11

4:09 pm-10:46 pm

1 stop6h 37m

Boise Air Term. Gowen Fld

Thu 8/14

6:25 am-3:31 pm

1 stop9h 06m

$420

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 7/9

4:09 pm-10:46 pm

1 stop6h 37m

Boise Air Term. Gowen Fld

Thu 7/10

5:43 pm-3:31 pm

1 stop21h 48m

$429

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Thu 6/26

1:07 pm-9:07 pm

2 stops9h 00m

Spokane

Mon 6/30

5:05 am-12:27 pm

2 stops6h 22m

$574

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Thu 6/26

4:09 pm-8:00 am

2 stops16h 51m

Spokane

Mon 6/30

6:07 pm-3:31 pm

1 stop20h 24m

$659

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Wed 6/25

4:09 pm-9:09 pm

1 stop6h 00m

Spokane

Sun 6/29

8:00 am-3:31 pm

1 stop6h 31m

$674

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 7/2

5:39 pm-11:43 am

3 stops18h 04m

Boise Air Term. Gowen Fld

Sun 7/6

7:00 am-1:58 pm

1 stop6h 58m

$738

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 6/18

5:44 am-9:29 am

1 stop3h 45m

$319

HelenaBoise

HLN - BOI

HLNBOI

Helena

Wed 6/18

4:09 pm-9:06 pm

2 stops28h 57m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Helena to Idaho

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

Cheapflights Insights

Everything you need to know about your flight from Helena to Idaho

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

Currently, October is the cheapest month in which you can book a flight from Helena to Idaho (average of $314). Flying from Helena to Idaho in June is currently the most expensive (average of $395). 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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Helena to Idaho by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Helena to Idaho. 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 from for flights from Helena to Idaho?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Idaho. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Helena to Idaho (average of $314). Flying from Helena to Idaho in June is currently the most expensive (average of $395). 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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Alternative routes for Helena to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Helena to Idaho

Discover the top airline that operate flights from Helena to Idaho. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$346Average$636FlexibilityNo cancel feeOn-timeN/A

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