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$155+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap 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 March 23, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/186:22 pm
HLN
-
LAX
1 stop5h 33m
Alaska Airlines
Wed 4/228:45 am
LAX
-
HLN
1 stop8h 00m
Alaska Airlines
Deal found 3/19$301
This Delta deal was found by Cheapflights users on 3/22. 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 4/155:40 am
HLN
-
SMF
1 stop4h 23m
Delta
Sat 4/185:30 am
SMF
-
HLN
1 stop5h 54m
Delta
Deal found 3/22$309
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 4/216:22 pm
HLN
-
LAS
1 stop6h 37m
Alaska Airlines
Sat 5/98:00 am
LAS
-
HLN
1 stop8h 45m
Alaska Airlines
Deal found 3/22$309
This Delta deal was found by Cheapflights users on 3/22. 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 4/135:40 am
HLN
-
SMF
1 stop4h 23m
Delta
Sat 4/185:45 pm
SMF
-
HLN
1 stop3h 45m
Delta
Deal found 3/22$319
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 4/256:22 pm
HLN
-
LAX
1 stop5h 40m
Alaska Airlines
Tue 4/288:45 am
LAX
-
HLN
1 stop8h 00m
Alaska Airlines
Deal found 3/22$319
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 5/56:22 pm
HLN
-
SAN
1 stop22h 31m
Alaska Airlines
Sat 5/96:34 pm
SAN
-
HLN
1 stop22h 11m
Alaska Airlines
Deal found 3/18$324
This Delta deal was found by Cheapflights users on 3/22. 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.
Fri 4/101:02 pm
HLN
-
LAS
1 stop6h 06m
Delta
Tue 4/145:20 pm
LAS
-
HLN
1 stop4h 10m
Delta
Deal found 3/22$324
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 4/256:22 pm
HLN
-
ONT
1 stop16h 23m
Alaska Airlines
Wed 4/2910:39 am
ONT
-
HLN
1 stop6h 06m
Alaska Airlines
Deal found 3/18$325
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 4/286:22 pm
HLN
-
SMF
1 stop4h 46m
Alaska Airlines
Tue 5/56:00 am
SMF
-
HLN
1 stop10h 45m
Alaska Airlines
Deal found 3/18$326
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/152:25 pm
HLN
-
SMF
1 stop7h 31m
United Airlines
Sun 4/195:00 am
SMF
-
HLN
1 stop7h 39m
United Airlines
Deal found 3/22$329
This Delta deal was found by Cheapflights users on 3/21. 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.
Tue 5/55:40 am
HLN
-
OAK
1 stop7h 13m
Delta
Tue 5/126:00 am
OAK
-
HLN
1 stop5h 23m
Delta
Deal found 3/21$329
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 5/294:43 pm
HLN
-
LAS
1 stop7h 05m
Alaska Airlines
Tue 6/26:00 am
LAS
-
HLN
1 stop9h 06m
Alaska Airlines
Deal found 3/22$329

Find flight deals from Helena to California

Keep the following information in mind while searching for Helena to California flight deals. Data was last updated March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$301
(Alaska Airlines)

One-way from

$155
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$295
Provider with most accurate pricing for Helena-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Los Angeles 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. 8% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 23, 2026.
Use the filters below to find and compare flights from Helena to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 4/29

6:15 am-10:50 am

1 stop5h 35m

Las Vegas Harry Reid Intl

Sat 5/2

5:15 am-1:38 pm

1 stop7h 23m

$309

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 4/21

6:22 pm-11:59 pm

1 stop6h 37m

Las Vegas Harry Reid Intl

Sat 5/9

8:00 am-5:45 pm

1 stop8h 45m

$309
Quickest round-trip

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Mon 4/13

5:40 am-9:03 am

1 stop4h 23m

Sacramento Intl

Sat 4/18

5:45 pm-10:30 pm

1 stop3h 45m

$319

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Tue 5/5

6:22 pm-3:53 pm

1 stop22h 31m

San Diego

Sat 5/9

6:34 pm-5:45 pm

1 stop22h 11m

$324

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 4/25

6:22 pm-9:45 am

1 stop16h 23m

Ontario

Wed 4/29

10:39 am-5:45 pm

1 stop6h 06m

$325

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 5/5

6:22 pm-10:08 pm

1 stop4h 46m

Sacramento Intl

Sat 5/9

6:00 am-5:45 pm

1 stop10h 45m

$326

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 4/28

6:22 pm-10:08 pm

1 stop4h 46m

Sacramento Intl

Tue 5/5

6:00 am-5:45 pm

1 stop10h 45m

$326

HelenaOakland

HLN - OAK

HLNOAK

Helena

Tue 5/5

5:40 am-11:53 am

1 stop7h 13m

Oakland

Tue 5/12

6:00 am-12:23 pm

1 stop5h 23m

$329

HelenaReno

HLN - RNO

HLNRNO

Helena

Tue 4/14

2:25 pm-8:31 pm

1 stop7h 06m

Reno

Wed 4/22

5:30 am-1:39 pm

1 stop7h 09m

$329

HelenaOntario

HLN - ONT

HLNONT

Helena

Sun 5/24

1:03 pm-4:17 pm

1 stop4h 14m

Ontario

Sat 5/30

6:00 am-12:23 pm

1 stop5h 23m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 60 resultsSorted by cheapest first
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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 March 23, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and 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.
Alaska Airlines
7.9
Good
12,098 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.0

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,098 reviews
Alaska Airlines
7.9
Good
12,098 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.0

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Delta
7.9
Good
8,318 reviews
Alaska Airlines
7.9
Good
12,098 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.0

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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 23m. There are 731 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 - Ontario or Helena - Los Angeles 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$415FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$238Average$291FlexibilityNo cancel feeOn-time75%

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