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$157+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$256
(Kiwi.com)

One-way from

$157
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$286
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. 22% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:18 pmHLN - SFO
1 stop5h 11mHawaiian Airlines
Mon 10/2711:40 amSFO - HLN
1 stop4h 56mHawaiian Airlines
Deal found 9/15$256
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 12/36:28 pmHLN - LAS
1 stop5h 25mAlaska Airlines
Thu 12/1110:10 amLAS - HLN
1 stop6h 41mAlaska Airlines
Deal found 9/15$283
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/286:13 pmHLN - LAS
1 stop27h 47mAlaska Airlines
Thu 10/308:00 amLAS - HLN
1 stop8h 36mAlaska Airlines
Deal found 9/15$302
This Delta deal was found by Cheapflights users on 9/15. 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 10/181:00 pmHLN - SFO
2 stops11h 33mDelta
Mon 10/276:00 amSFO - HLN
1 stop5h 20mDelta
Deal found 9/15$304
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 12/36:28 pmHLN - LAS
1 stop5h 25mAlaska Airlines
Sat 12/136:00 amLAS - HLN
1 stop10h 51mAlaska Airlines
Deal found 9/15$312
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/46:28 pmHLN - LAS
1 stop6h 27mAlaska Airlines
Tue 12/910:10 amLAS - HLN
1 stop6h 41mAlaska Airlines
Deal found 9/15$318
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/146:18 pmHLN - BUR
1 stop18h 57mAlaska Airlines
Tue 10/217:00 amBUR - HLN
1 stop9h 41mAlaska Airlines
Deal found 9/14$322
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 10/135:45 amHLN - BUR
1 stop4h 15mDelta
Tue 10/214:55 pmBUR - HLN
1 stop4h 21mDelta
Deal found 9/14$323
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 12/36:28 pmHLN - LAS
1 stop5h 25mAlaska Airlines
Tue 12/97:25 amLAS - HLN
2 stops9h 26mAlaska Airlines
Deal found 9/15$328
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/206:18 pmHLN - SAN
2 stops21h 48mAlaska Airlines
Fri 10/246:25 pmSAN - HLN
1 stop22h 16mAlaska Airlines
Deal found 9/12$329
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/155:18 pmHLN - SAN
1 stop5h 57mUnited Airlines
Wed 10/229:01 amSAN - HLN
1 stop6h 39mUnited Airlines
Deal found 9/14$331
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/146:18 pmHLN - BUR
1 stop17h 36mAlaska Airlines
Mon 10/207:38 pmBUR - HLN
1 stop21h 03mAlaska Airlines
Deal found 9/14$332

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 September 15, 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 10/18

6:18 pm-10:29 pm

1 stop5h 11m

San Francisco

Mon 10/27

11:40 am-5:36 pm

1 stop4h 56m

$256

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Thu 12/11

10:10 am-5:51 pm

1 stop6h 41m

$283

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 12/6

6:28 pm-11:55 pm

1 stop6h 27m

Las Vegas Harry Reid Intl

Fri 12/12

10:10 am-5:51 pm

1 stop6h 41m

$283

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

Fri 12/12

10:10 am-5:51 pm

1 stop6h 41m

$283

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 2/28

12:50 pm-11:09 pm

2 stops11h 19m

Medford

Tue 3/3

5:55 am-12:27 pm

1 stop5h 32m

$292

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 10/28

6:13 pm-9:00 pm

1 stop27h 47m

Las Vegas Harry Reid Intl

Thu 10/30

6:00 am-5:36 pm

1 stop10h 36m

$302

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 2/28

4:10 pm-12:09 am

1 stop8h 59m

Medford

Tue 3/3

11:45 am-3:43 pm

1 stop26h 58m

$312

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Sat 2/28

12:50 pm-4:12 pm

1 stop4h 22m

San Diego

Tue 3/3

6:15 am-12:27 pm

1 stop5h 12m

$313

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 12/7

6:28 pm-11:55 pm

1 stop6h 27m

Las Vegas Harry Reid Intl

Thu 12/11

10:10 am-5:51 pm

1 stop6h 41m

$318

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Thu 12/4

6:28 pm-11:55 pm

1 stop6h 27m

Las Vegas Harry Reid Intl

Fri 12/12

10:10 am-5:51 pm

1 stop6h 41m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 45 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 $325). 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 September 15, 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
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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 11m. 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 United Airlines, with whom users have recently found tickets for as low as $157. However, be on the lookout for offers from Hawaiian 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 - Las Vegas Harry Reid Intl 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, 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 $325). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$379FlexibilityNo cancel feeOn-time69%

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