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$125+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 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.
Wed 11/126:13 pmHLN - RNO
1 stop20h 25mAlaska Airlines
Wed 11/196:02 amRNO - HLN
1 stop10h 34mAlaska Airlines
Deal found 10/15$242
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.
Sun 12/76:28 pmHLN - LAS
1 stop16h 14mAlaska Airlines
Wed 12/108:00 amLAS - HLN
1 stop8h 51mAlaska Airlines
Deal found 10/15$252
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 12/216:32 pmHLN - RNO
1 stop15h 22mAlaska Airlines
Thu 1/19:48 amRNO - HLN
1 stop7h 07mAlaska Airlines
Deal found 10/16$262
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:13 pmHLN - LAS
1 stop16h 32mAlaska Airlines
Wed 11/127:00 amLAS - HLN
2 stops9h 36mAlaska Airlines
Deal found 10/14$268
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:22 pmHLN - LAS
1 stop5h 27mUnited Airlines
Wed 11/123:36 pmLAS - HLN
1 stop4h 46mUnited Airlines
Deal found 10/14$269
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.
Wed 11/121:06 pmHLN - LAS
1 stop4h 07mDelta
Wed 11/196:10 amLAS - HLN
1 stop5h 16mDelta
Deal found 10/14$275
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:13 pmHLN - LAS
2 stops25h 23mAlaska Airlines
Tue 11/187:00 amLAS - HLN
2 stops9h 36mAlaska Airlines
Deal found 10/15$293
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:40 amHLN - LAS
1 stop5h 01mUnited Airlines
Mon 11/173:36 pmLAS - HLN
1 stop4h 46mUnited Airlines
Deal found 10/16$319
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:13 pmHLN - LAS
2 stops25h 54mAlaska Airlines
Wed 11/197:00 amLAS - HLN
2 stops9h 36mAlaska Airlines
Deal found 10/14$325
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.
Sun 11/165:30 amHLN - LAS
1 stop3h 46mDelta
Sat 11/225:20 pmLAS - HLN
1 stop4h 10mDelta
Deal found 10/15$344
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.
Fri 12/56:28 pmHLN - LAS
1 stop16h 14mAlaska Airlines
Sun 12/76:00 amLAS - HLN
1 stop10h 51mAlaska Airlines
Deal found 10/16$358
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 11/76:13 pmHLN - SNA
1 stop28h 17mAlaska Airlines
Mon 11/109:15 pmSNA - HLN
1 stop19h 21mAlaska Airlines
Deal found 10/15$374

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$222
(Hawaiian Airlines)

One-way from

$125
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$412
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. 23% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 16, 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

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 2/26

4:10 pm-7:48 pm

1 stop4h 38m

Sacramento Intl

Mon 3/2

8:10 am-3:43 pm

1 stop6h 33m

$222

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 2/28

4:10 pm-11:10 am

1 stop20h 00m

Medford

Tue 3/3

3:40 pm-3:43 pm

1 stop23h 03m

$232

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Sat 2/28

4:10 pm-12:07 am

1 stop8h 57m

San Diego

Tue 3/3

11:30 am-3:43 pm

1 stop27h 13m

$245

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Sat 2/28

4:10 pm-12:07 am

1 stop8h 57m

San Diego

Tue 3/3

7:00 am-3:43 pm

1 stop7h 43m

$245

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 12/7

6:28 pm-9:42 am

1 stop16h 14m

Las Vegas Harry Reid Intl

Wed 12/10

8:00 am-5:51 pm

1 stop8h 51m

$252

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 2/26

12:50 pm-9:51 pm

2 stops10h 01m

Sacramento Intl

Mon 3/2

6:25 pm-12:27 pm

2 stops17h 02m

$254

HelenaReno

HLN - RNO

HLNRNO

Helena

Sun 12/21

6:32 pm-8:54 am

1 stop15h 22m

Reno

Thu 1/1

9:48 am-5:55 pm

1 stop7h 07m

$262

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 2/26

4:10 pm-1:13 pm

1 stop22h 03m

Sacramento Intl

Mon 3/2

2:05 pm-3:43 pm

1 stop24h 38m

$263

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 3/7

4:10 pm-8:18 pm

1 stop5h 08m

San Francisco

Wed 3/11

9:10 am-3:43 pm

1 stop5h 33m

$265

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Sat 2/28

12:50 pm-10:47 pm

2 stops10h 57m

San Diego

Tue 3/3

11:05 am-10:38 pm

2 stops10h 33m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 57 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 $166). 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 October 16, 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
8.0
Very good
7,984 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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 4h 38m. There are 731 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 United Airlines, with whom users have recently found tickets for as low as $125. However, be on the lookout for offers from Alaska Airlines and Delta, 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 - Los Angeles or Helena - San Diego.

  • 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 $166). 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$379FlexibilityNo cancel feeOn-time69%

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