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Helena

$127+ Cheap flights from California 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — HLN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from California to Helena

Keep the following information in mind while searching for California to Helena flight deals. Data was last updated August 14, 2025.

Round-trip from

$254
(Alaska Airlines)

One-way from

$127
(Hawaiian Airlines)

Popular in

February

Cheapest in

August

Average price

$321
From California to Helena
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One-way flight from California to Helena
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Highest demand for flights based on searches. 25% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from California to Helena

Cheapest flights from California to Helena
Explore the most affordable flight options available from California to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/169:00 amSJC - HLN
1 stop5h 21mAlaska Airlines
Wed 9/244:02 pmHLN - SJC
1 stop6h 03mAlaska Airlines
Deal found 8/14$254
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/98:00 amSFO - HLN
1 stop6h 21mAlaska Airlines
Sat 9/134:02 pmHLN - SFO
1 stop6h 18mAlaska Airlines
Deal found 8/14$254
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/168:00 amSJC - HLN
1 stop6h 21mAlaska Airlines
Fri 9/264:02 pmHLN - SJC
1 stop6h 03mAlaska Airlines
Deal found 8/14$264
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/168:00 amSFO - HLN
1 stop6h 21mAlaska Airlines
Thu 9/254:02 pmHLN - SFO
1 stop6h 18mAlaska Airlines
Deal found 8/14$264
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amSMF - HLN
1 stop5h 24mDelta
Tue 12/25:40 amHLN - SMF
1 stop4h 15mDelta
Deal found 8/14$265
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/228:00 amSFO - HLN
1 stop6h 21mAlaska Airlines
Tue 9/234:02 pmHLN - SFO
1 stop6h 18mAlaska Airlines
Deal found 8/14$291
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 9/209:00 amSJC - HLN
1 stop5h 21mAlaska Airlines
Tue 9/234:02 pmHLN - SJC
1 stop6h 03mAlaska Airlines
Deal found 8/14$294
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/229:00 amSJC - HLN
1 stop5h 21mAlaska Airlines
Wed 9/244:02 pmHLN - SJC
1 stop6h 03mAlaska Airlines
Deal found 8/14$295
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/166:00 amSFO - HLN
2 stops8h 21mAlaska Airlines
Tue 9/234:02 pmHLN - SFO
1 stop5h 18mAlaska Airlines
Deal found 8/14$295
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:01 pmSJC - HLN
1 stop4h 12mDelta
Fri 9/121:00 pmHLN - SJC
1 stop6h 29mDelta
Deal found 8/14$296
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 12/118:10 amSMF - HLN
1 stop6h 33mAlaska Airlines
Tue 12/164:10 pmHLN - SMF
1 stop6h 38mAlaska Airlines
Deal found 8/12$296
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 9/169:00 amSJC - HLN
1 stop5h 21mAlaska Airlines
Tue 9/234:02 pmHLN - SJC
2 stops20h 01mAlaska Airlines
Deal found 8/14$297

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 August 14, 2025.
Use the filters below to find and compare flights from California to Helena that are best for you.

Fly from

California

Fly to

Helena

Route

Depart

Return

Price

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 9/16

9:00 am-3:21 pm

1 stop5h 21m

Helena

Wed 9/24

4:02 pm-9:05 pm

1 stop6h 03m

$254

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 9/16

8:00 am-3:21 pm

1 stop6h 21m

Helena

Tue 9/23

4:02 pm-9:05 pm

1 stop6h 03m

$254

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 9/9

8:00 am-3:21 pm

1 stop6h 21m

Helena

Sat 9/13

4:02 pm-9:20 pm

1 stop6h 18m

$254

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 9/9

6:00 am-3:21 pm

1 stop8h 21m

Helena

Tue 9/16

4:02 pm-8:20 pm

1 stop5h 18m

$254

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 9/6

6:00 am-3:21 pm

1 stop8h 21m

Helena

Sat 9/13

4:02 pm-8:19 pm

1 stop5h 17m

$254

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 9/16

8:00 am-3:21 pm

1 stop6h 21m

Helena

Tue 9/23

4:02 pm-10:14 pm

1 stop7h 12m

$254

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 9/16

8:00 am-3:21 pm

1 stop6h 21m

Helena

Wed 9/24

4:02 pm-9:20 pm

1 stop6h 18m

$254

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 9/16

8:00 am-3:21 pm

1 stop6h 21m

Helena

Thu 9/25

4:02 pm-9:05 pm

1 stop6h 03m

$264

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 9/16

8:00 am-3:21 pm

1 stop6h 21m

Helena

Fri 9/26

4:02 pm-9:05 pm

1 stop6h 03m

$264

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 9/16

8:00 am-3:21 pm

1 stop6h 21m

Helena

Fri 9/26

4:02 pm-10:14 pm

1 stop7h 12m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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Best time to book a flight from California to Helena

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

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

Currently, February is the cheapest month in which you can book a flight from California to Helena (average of $353). Flying from California 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 CA to HLN?

Find hourly flight availability from California 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 August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Helena as you normally would.

Related info for your journey

Find useful and relevant information for your journey from California 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 California?

    Helena (HLN), located 2.7 mi from the city center, is the airport you fly into when you book flights from California to Helena.

  • What are the cheapest airlines to fly from California to Helena one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $127. Users have also found prices from $139 and $165 on Alaska Airlines and United Airlines, respectively.

  • What are the most popular routes from California to Helena?

    When deciding which route to take from California to Helena consider Los Angeles - Helena, Ontario - Helena or Burbank Bob Hope - Helena as they are the most popular.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from California to Helena (average of $353). Flying from California 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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Alternative routes for California to Helena

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Top 3 airlines flying from California to Helena

Discover the top 3 airlines that operate flights from California 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$205Average$404FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$239Average$461FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$297Average$536FlexibilityNo cancel feeOn-time69%

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