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Helena

$156+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — HLN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Alaska Airlines)

One-way from

$156
(Alaska Airlines)

Popular in

February

Cheapest in

September

Average price

$383
Provider with most accurate pricing for Los Angeles-Helena flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Helena flights.
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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. 26% potential increase in price ($160 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 October 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 October 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/86:30 amOAK - HLN
1 stop10h 06mAlaska Airlines
Wed 11/126:13 pmHLN - OAK
2 stops15h 37mAlaska Airlines
Deal found 10/15$271
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:00 pmOAK - HLN
1 stop4h 16mDelta
Wed 11/125:30 amHLN - OAK
1 stop7h 18mDelta
Deal found 10/15$284
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/811:29 amSFO - HLN
1 stop5h 07mAlaska Airlines
Wed 11/126:13 pmHLN - SFO
1 stop5h 28mAlaska Airlines
Deal found 10/15$285
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 12/125:06 pmBUR - HLN
1 stop23h 45mAlaska Airlines
Sun 12/146:28 pmHLN - BUR
1 stop22h 44mAlaska Airlines
Deal found 10/15$292
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/144:35 pmFAT - HLN
1 stop24h 01mAlaska Airlines
Mon 11/176:13 pmHLN - FAT
1 stop22h 28mAlaska Airlines
Deal found 10/15$302
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 12/309:41 pmSFO - HLN
1 stop19h 14mAlaska Airlines
Mon 1/56:32 pmHLN - SFO
1 stop16h 01mAlaska Airlines
Deal found 10/16$322
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:15 pmSAN - HLN
1 stop4h 15mDelta
Tue 11/185:30 amHLN - SAN
1 stop7h 31mDelta
Deal found 10/15$329
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 12/216:00 amLAX - HLN
1 stop10h 55mAlaska Airlines
Wed 12/316:32 pmHLN - LAX
2 stops16h 56mAlaska Airlines
Deal found 10/16$337
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 11/137:15 amLAX - HLN
1 stop4h 11mDelta
Sun 11/161:06 pmHLN - LAX
1 stop6h 24mDelta
Deal found 10/14$339
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 11/198:15 amSMF - HLN
1 stop8h 21mAlaska Airlines
Tue 12/26:28 pmHLN - SMF
1 stop20h 16mAlaska Airlines
Deal found 10/15$343
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:45 amLAX - HLN
1 stop5h 41mDelta
Mon 11/241:06 pmHLN - LAX
1 stop6h 13mDelta
Deal found 10/15$344
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:45 amSJC - HLN
1 stop5h 41mDelta
Fri 11/215:30 amHLN - SJC
1 stop4h 30mDelta
Deal found 10/15$358

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 October 16, 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

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Sat 11/8

5:00 pm-10:16 pm

1 stop4h 16m

Helena

Wed 11/12

5:30 am-11:48 am

1 stop7h 18m

$284

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 11/8

11:29 am-5:36 pm

1 stop5h 07m

Helena

Wed 11/12

6:13 pm-10:41 pm

1 stop5h 28m

$285

BurbankHelena

BUR - HLN

BURHLN

Burbank Bob Hope

Fri 12/12

5:06 pm-5:51 pm

1 stop23h 45m

Helena

Sun 12/14

6:28 pm-4:12 pm

1 stop22h 44m

$292

FresnoHelena

FAT - HLN

FATHLN

Fresno Airterminal

Fri 11/14

4:35 pm-5:36 pm

1 stop24h 01m

Helena

Mon 11/17

6:13 pm-3:41 pm

1 stop22h 28m

$302

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Fri 2/13

6:30 am-3:43 pm

1 stop8h 13m

Helena

Sun 2/15

4:10 pm-11:38 pm

1 stop8h 28m

$303

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 12/30

9:41 pm-5:55 pm

1 stop19h 14m

Helena

Mon 1/5

6:32 pm-9:33 am

1 stop16h 01m

$322

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Fri 11/14

5:15 pm-10:30 pm

1 stop4h 15m

Helena

Tue 11/18

5:30 am-12:01 pm

1 stop7h 31m

$329

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Sun 12/21

6:00 am-5:55 pm

1 stop10h 55m

Helena

Wed 12/31

6:32 pm-10:28 am

2 stops16h 56m

$337

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Thu 11/13

7:15 am-12:26 pm

1 stop4h 11m

Helena

Sun 11/16

1:06 pm-6:30 pm

1 stop6h 24m

$339

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Wed 11/19

8:15 am-5:36 pm

1 stop8h 21m

Helena

Tue 12/2

6:28 pm-1:44 pm

1 stop20h 16m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 46 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, August is the cheapest month in which you can book a flight from California to Helena (average of $44). Flying from California to Helena in December is currently the most expensive (average of $198). 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 October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from California to Helena in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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.

  • How long is the flight from California to Helena?

    There are many flights that can get you from California to Helena in 4h 16m. Fly via Delta, Alaska Airlines, or United Airlines to get the fastest option. The distance between California and Helena is about 806 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $156. Users have also found prices from $200 and $319 on Delta 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, San Jose - Helena or Santa Ana J. Wayne/Orange Cnty - 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, August is the cheapest month in which you can book a flight from California to Helena (average of $44). Flying from California to Helena in December is currently the most expensive (average of $198). 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 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$205Average$410FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$239Average$429FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$297Average$472FlexibilityNo cancel feeOn-time69%

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