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$119+ Cheap flights from Helena (HLN) to California

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Find flight deals from Helena to California

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

This Alaska Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 12/66:28 pmHLN - SFO
1 stop5h 17mAlaska Airlines
Sat 12/134:42 pmSFO - HLN
1 stop24h 09mAlaska Airlines
Deal found 11/12$238
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/96:28 pmHLN - LAS
1 stop5h 25mAlaska Airlines
Fri 12/125:07 pmLAS - HLN
1 stop23h 44mAlaska Airlines
Deal found 11/12$258
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:06 pmHLN - SFO
2 stops10h 25mDelta
Sat 12/136:00 amSFO - HLN
1 stop5h 25mDelta
Deal found 11/12$279
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 12/76:28 pmHLN - LAS
1 stop6h 27mAlaska Airlines
Wed 12/107:00 amLAS - HLN
1 stop9h 51mAlaska Airlines
Deal found 11/10$279
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Tue 12/96:28 pmHLN - RNO
1 stop25h 56mAlaska Airlines
Fri 12/128:04 pmRNO - HLN
1 stop20h 47mAlaska Airlines
Deal found 11/10$282
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/86:28 pmHLN - SAN
1 stop21h 38mAlaska Airlines
Mon 12/156:30 pmSAN - HLN
1 stop22h 21mAlaska Airlines
Deal found 11/10$284
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/32:30 pmHLN - LAX
1 stop7h 31mUnited Airlines
Wed 12/177:01 amLAX - HLN
1 stop5h 46mUnited Airlines
Deal found 11/10$289
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 12/46:30 amHLN - RNO
1 stop7h 24mUnited Airlines
Sun 12/75:25 amRNO - HLN
1 stop7h 22mUnited Airlines
Deal found 11/10$289
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Wed 12/36:28 pmHLN - LAX
1 stop5h 30mAlaska Airlines
Wed 12/106:00 amLAX - HLN
2 stops10h 51mAlaska Airlines
Deal found 11/10$308
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/86:28 pmHLN - RNO
1 stop20h 21mAlaska Airlines
Fri 12/121:08 pmRNO - HLN
2 stops27h 43mAlaska Airlines
Deal found 11/10$318
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/86:28 pmHLN - LAS
1 stop5h 25mAlaska Airlines
Mon 12/156:55 pmLAS - HLN
2 stops21h 56mAlaska Airlines
Deal found 11/10$326
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/86:28 pmHLN - SNA
1 stop24h 54mAlaska Airlines
Mon 12/155:33 pmSNA - HLN
2 stops23h 18mAlaska Airlines
Deal found 11/10$329

Cheap flight deals from Helena to California

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$238
(Alaska Airlines)

One-way from

$119
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$414
Provider with most accurate pricing for Helena-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Los Angeles flights.
Search Deals
From Helena to California
Search Deals
One-way flight from Helena to California
Search Deals
Highest demand for flights based on searches. 37% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 24% potential price decrease ($83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

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

Fly from

Helena

Fly to

California

Route

Depart

Return

Price

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 3/7

4:36 pm-8:36 pm

1 stop5h 00m

San Francisco

Wed 3/11

8:42 am-3:59 pm

1 stop6h 17m

$238

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 12/6

6:28 pm-10:45 pm

1 stop5h 17m

San Francisco

Sat 12/13

4:42 pm-5:51 pm

1 stop24h 09m

$238

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Thu 1/29

6:48 pm-11:03 pm

1 stop5h 15m

San Francisco

Mon 2/2

12:00 pm-6:11 pm

1 stop5h 11m

$238

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 3/7

4:36 pm-10:56 pm

1 stop7h 20m

San Francisco

Fri 3/13

7:28 pm-3:59 pm

1 stop19h 31m

$248

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 3/2

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Fri 3/6

8:00 am-3:59 pm

1 stop6h 59m

$258

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/9

6:48 pm-11:12 pm

1 stop5h 24m

Las Vegas Harry Reid Intl

Fri 2/13

6:00 am-3:59 pm

1 stop8h 59m

$258

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 1/6

6:32 pm-11:48 pm

1 stop6h 16m

Las Vegas Harry Reid Intl

Fri 1/9

7:00 am-6:11 pm

1 stop10h 11m

$258

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 12/9

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Fri 12/12

5:07 pm-5:51 pm

1 stop23h 44m

$258

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 2/28

4:36 pm-5:08 pm

1 stop25h 32m

Medford

Tue 3/3

5:44 pm-3:59 pm

1 stop21h 15m

$263

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Sat 2/28

1:07 pm-8:46 pm

2 stops8h 39m

San Diego

Tue 3/3

11:00 am-10:29 pm

2 stops10h 29m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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

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

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

Currently, July is the cheapest month in which you can book a flight from Helena to California (average of $41). Flying from Helena to California in October is currently the most expensive (average of $165). 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.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated November 12, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Helena to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    Located just 2.7 mi from the city center, Helena (HLN) is the airport most travelers will use when flying to California from Helena.

  • How long is the flight from Helena to California?

    Departing from Helena to California will take you 5h. There are 816 mi between Helena and California. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $119. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Helena to California for a low price.

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

    The most popular route from Helena to California is Helena - Las Vegas Harry Reid Intl. You may also consider Helena - San Diego or Helena - Los Angeles.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Helena to California (average of $41). Flying from Helena to California in October is currently the most expensive (average of $165). 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 2 airlines flying from Helena to California

Discover the top 2 airlines that operate flights from Helena to California. 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$379FlexibilityNo cancel feeOn-time69%

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