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$122+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$223
(Alaska Airlines)

One-way from

$122
(Alaska Airlines)

Popular in

November

Cheapest in

May

Average price

$304
Provider with most accurate pricing for Helena-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Helena-Los Angeles flights.
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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. 12% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 1/316:48 pmHLN - SAN
1 stop16h 19mAlaska Airlines
Tue 2/39:37 amSAN - HLN
1 stop7h 34mAlaska Airlines
Deal found 1/6$223
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 1/276:48 pmHLN - MFR
1 stop18h 55mAlaska Airlines
Sat 1/311:22 pmMFR - HLN
1 stop3h 49mAlaska Airlines
Deal found 1/6$225
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 2/234:36 pmHLN - SAN
1 stop21h 44mAlaska Airlines
Mon 3/27:26 pmSAN - HLN
1 stop19h 33mAlaska Airlines
Deal found 1/6$233
This Delta deal was found by Cheapflights users on 1/8. 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 2/211:10 pmHLN - LAX
1 stop6h 21mDelta
Sat 2/285:40 amLAX - HLN
1 stop5h 45mDelta
Deal found 1/8$241
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 2/26:48 pmHLN - LAS
1 stop19h 36mAlaska Airlines
Fri 2/67:36 pmLAS - HLN
1 stop21h 35mAlaska Airlines
Deal found 1/6$253
This Expedia deal was found by Cheapflights users on 1/6. 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 2/284:36 pmHLN - SFO
1 stop5h 00mAlaska Airlines
Wed 3/48:42 amSFO - HLN
1 stop6h 17mAlaska Airlines
Deal found 1/6$255
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 1/286:48 pmHLN - SFO
1 stop5h 15mAlaska Airlines
Sat 1/317:00 amSFO - HLN
1 stop10h 11mAlaska Airlines
Deal found 1/6$259
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/96:48 pmHLN - LAS
1 stop27h 12mAlaska Airlines
Fri 2/137:00 amLAS - HLN
1 stop7h 59mAlaska Airlines
Deal found 1/7$263
This Alaska Airlines deal was found by Cheapflights users on 1/5. 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 2/36:48 pmHLN - RNO
1 stop25h 41mAlaska Airlines
Sat 2/79:38 amRNO - HLN
1 stop7h 33mAlaska Airlines
Deal found 1/5$263
This Alaska Airlines deal was found by Cheapflights users on 1/8. 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 3/84:36 pmHLN - LAS
1 stop27h 29mAlaska Airlines
Wed 3/116:00 amLAS - HLN
1 stop8h 59mAlaska Airlines
Deal found 1/8$264
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/224:36 pmHLN - LAX
1 stop7h 27mAlaska Airlines
Sat 2/288:46 amLAX - HLN
1 stop6h 13mAlaska Airlines
Deal found 1/7$268
This Alaska Airlines deal was found by Cheapflights users on 1/7. 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 2/46:48 pmHLN - BUR
1 stop19h 12mAlaska Airlines
Sat 2/77:00 amBUR - HLN
1 stop10h 11mAlaska Airlines
Deal found 1/7$273

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 January 8, 2026.
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 Diego

HLN - SAN

HLNSAN

Helena

Sat 1/31

6:48 pm-10:07 am

1 stop16h 19m

San Diego

Tue 2/3

9:37 am-6:11 pm

1 stop7h 34m

$223

HelenaMedford

HLN - MFR

HLNMFR

Helena

Tue 1/27

6:48 pm-12:43 pm

1 stop18h 55m

Medford

Sat 1/31

1:22 pm-6:11 pm

1 stop3h 49m

$225

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Mon 2/23

4:36 pm-1:20 pm

1 stop21h 44m

San Diego

Mon 3/2

7:26 pm-3:59 pm

1 stop19h 33m

$233

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Sat 2/21

1:10 pm-6:31 pm

1 stop6h 21m

Los Angeles

Sat 2/28

5:40 am-12:25 pm

1 stop5h 45m

$241

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Fri 5/1

6:22 pm-11:44 pm

1 stop6h 22m

San Francisco

Tue 5/5

7:59 pm-5:45 pm

1 stop20h 46m

$255

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Wed 1/28

6:48 pm-11:03 pm

1 stop5h 15m

San Francisco

Sat 1/31

7:00 am-6:11 pm

1 stop10h 11m

$259

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

7:00 am-3:59 pm

1 stop7h 59m

$263

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sat 3/14

4:36 pm-10:56 pm

1 stop7h 20m

Las Vegas Harry Reid Intl

Tue 3/17

8:00 am-3:59 pm

1 stop6h 59m

$263

HelenaReno

HLN - RNO

HLNRNO

Helena

Tue 2/3

6:48 pm-7:29 pm

1 stop25h 41m

Reno

Sat 2/7

9:38 am-6:11 pm

1 stop7h 33m

$263

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/2

6:48 pm-4:46 pm

2 stops22h 58m

Las Vegas Harry Reid Intl

Fri 2/6

7:36 pm-6:11 pm

1 stop21h 35m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 50 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 January 8, 2026.
Peruse reviews from past customers who have flown with Delta 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
8,025 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

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
8,025 reviews
Delta
7.9
Good
8,025 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

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 6h 21m. There are 937 mi between Helena and California. This flight may include one or multiple stops.

  • 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 $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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Alternative routes for Helena to California

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Top airline flying from Helena to California

Discover the top airline 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$379FlexibilityNo cancel feeOn-timeN/A

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