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$139+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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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 August 18, 2025.

Round-trip from

$279
(Delta)

One-way from

$139
(Hawaiian Airlines)

Popular in

December

Cheapest in

April

Average price

$318
From Helena to California
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One-way flight from Helena to California
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Highest demand for flights based on searches. 19% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($30 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 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 August 18, 2025.

This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 amHLN - BUR
1 stop4h 13mDelta
Sat 9/207:00 amBUR - HLN
1 stop4h 20mDelta
Deal found 8/16$279
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 amHLN - LAS
1 stop3h 59mDelta
Sat 9/206:20 amLAS - HLN
1 stop5h 00mDelta
Deal found 8/16$279
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 10/246:18 pmHLN - LAX
1 stop5h 30mHawaiian Airlines
Tue 10/288:00 amLAX - HLN
1 stop8h 36mHawaiian Airlines
Deal found 8/18$303
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/286:13 pmHLN - LAS
2 stops22h 56mAlaska Airlines
Thu 10/3010:08 amLAS - HLN
1 stop6h 28mAlaska Airlines
Deal found 8/16$308
This Delta deal was found by Cheapflights users on 8/17. 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 9/131:00 pmHLN - MFR
2 stops9h 28mDelta
Tue 9/165:15 amMFR - HLN
1 stop6h 05mDelta
Deal found 8/17$310
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:50 pmHLN - LAS
1 stop6h 13mDelta
Fri 12/126:10 amLAS - HLN
1 stop5h 14mDelta
Deal found 8/16$310
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 10/296:13 pmHLN - LAS
2 stops18h 37mAlaska Airlines
Sat 11/110:08 amLAS - HLN
1 stop6h 28mAlaska Airlines
Deal found 8/16$315
This Delta deal was found by Cheapflights users on 8/17. 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 9/105:50 amHLN - ONT
1 stop4h 05mDelta
Tue 9/164:40 pmONT - HLN
1 stop4h 34mDelta
Deal found 8/17$315
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:13 pmHLN - LAS
2 stops24h 39mMultiple Airlines
Thu 11/610:08 amLAS - HLN
1 stop6h 28mMultiple Airlines
Deal found 8/16$317
This Hawaiian Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 10/34:02 pmHLN - SFO
1 stop5h 18mHawaiian Airlines
Tue 10/79:34 amSFO - HLN
1 stop7h 07mHawaiian Airlines
Deal found 8/17$319
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 10/246:18 pmHLN - LAX
1 stop5h 30mAlaska Airlines
Tue 10/286:00 amLAX - HLN
2 stops10h 36mAlaska Airlines
Deal found 8/18$320
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/34:02 pmHLN - SFO
2 stops25h 01mAlaska Airlines
Tue 10/711:22 amSFO - HLN
1 stop5h 19mAlaska Airlines
Deal found 8/17$334

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 August 18, 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

HelenaBurbank

HLN - BUR

HLNBUR

Helena

Sat 9/13

5:45 am-8:58 am

1 stop4h 13m

Burbank Bob Hope

Sat 9/20

7:00 am-12:20 pm

1 stop4h 20m

$279

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 10/29

5:45 am-8:12 am

1 stop3h 27m

Las Vegas Harry Reid Intl

Sat 11/1

5:13 pm-10:16 pm

1 stop4h 03m

$279

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 9/13

5:45 am-8:44 am

1 stop3h 59m

Las Vegas Harry Reid Intl

Sat 9/20

6:20 am-12:20 pm

1 stop5h 00m

$279

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Fri 10/24

6:18 pm-12:01 am

1 stop6h 43m

Los Angeles

Tue 10/28

10:00 am-5:36 pm

1 stop6h 36m

$303

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Wed 9/10

4:02 pm-10:56 pm

1 stop7h 54m

Los Angeles

Tue 9/16

7:00 am-3:21 pm

1 stop7h 21m

$303

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/28

6:13 pm-4:09 pm

2 stops22h 56m

Las Vegas Harry Reid Intl

Thu 10/30

10:08 am-5:36 pm

1 stop6h 28m

$308

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 9/13

1:00 pm-9:28 pm

2 stops9h 28m

Medford

Tue 9/16

5:15 am-12:20 pm

1 stop6h 05m

$310

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 12/8

12:50 pm-6:03 pm

1 stop6h 13m

Las Vegas Harry Reid Intl

Fri 12/12

6:10 am-12:24 pm

1 stop5h 14m

$310

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 10/29

6:13 pm-11:50 am

2 stops18h 37m

Las Vegas Harry Reid Intl

Sat 11/1

10:08 am-5:36 pm

1 stop6h 28m

$315

HelenaOntario

HLN - ONT

HLNONT

Helena

Wed 9/10

5:50 am-8:55 am

1 stop4h 05m

Ontario

Tue 9/16

4:40 pm-10:14 pm

1 stop4h 34m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 41 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, January is the cheapest month in which you can book a flight from Helena to California (average of $246). Flying from Helena to California in March is currently the most expensive (average of $326). 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 August 18, 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
7,981 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

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.

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $139. However, be on the lookout for offers from United Airlines and Alaska 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 - Los Angeles. You may also consider Helena - San Diego or Helena - Las Vegas Harry Reid Intl.

  • 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, January is the cheapest month in which you can book a flight from Helena to California (average of $246). Flying from Helena to California in March is currently the most expensive (average of $326). 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$379FlexibilityNo cancel feeOn-time69%

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