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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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
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 1, 2026.

This Delta deal was found by Cheapflights users on 2/25. 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 4/146:05 am
LAS
-
HLN
1 stop5h 19m
Delta
Deal found 2/25$249
This Delta deal was found by Cheapflights users on 2/28. 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 4/15:30 am
HLN
-
SJC
1 stop4h 22m
Delta
Wed 4/226:00 am
SJC
-
HLN
1 stop5h 24m
Delta
Deal found 2/28$251
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 4/296:22 pm
HLN
-
SAN
1 stop24h 16m
Alaska Airlines
Mon 5/46:15 am
SAN
-
HLN
1 stop10h 30m
Alaska Airlines
Deal found 2/25$265
This Alaska Airlines deal was found by Cheapflights users on 2/28. 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 6/195:26 pm
HLN
-
LAS
1 stop6h 24m
Alaska Airlines
Tue 6/2310:29 am
LAS
-
HLN
1 stop5h 20m
Alaska Airlines
Deal found 2/28$269
This Delta deal was found by Cheapflights users on 2/27. 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 3/241:02 pm
HLN
-
SAN
1 stop6h 33m
Delta
Tue 3/316:15 am
SAN
-
HLN
1 stop5h 06m
Delta
Deal found 2/27$277
This Orbitz deal was found by Cheapflights users on 2/25. 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.
Wed 4/296:22 pm
HLN
-
LAS
1 stop5h 31m
Alaska Airlines
Sat 5/27:00 am
LAS
-
HLN
1 stop9h 45m
Alaska Airlines
Deal found 2/25$284
This Delta deal was found by Cheapflights users on 2/27. 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.
Thu 4/25:30 am
HLN
-
LAS
1 stop3h 50m
Delta
Thu 4/96:00 am
LAS
-
HLN
1 stop5h 21m
Delta
Deal found 2/27$285
This United Airlines deal was found by Cheapflights users on 2/26. 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 4/292:25 pm
HLN
-
LAS
1 stop6h 21m
United Airlines
Sat 5/25:15 am
LAS
-
HLN
1 stop7h 23m
United Airlines
Deal found 2/26$287
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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
-
SFO
1 stop5h 06m
Alaska Airlines
Fri 5/15:31 pm
SFO
-
HLN
1 stop23h 14m
Alaska Airlines
Deal found 2/27$291
This Expedia deal was found by Cheapflights users on 2/27. 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.
Tue 4/76:22 pm
HLN
-
SMF
2 stops14h 12m
Alaska Airlines
Wed 6/108:34 pm
SMF
-
HLN
1 stop19h 15m
Alaska Airlines
Deal found 2/27$291
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 5/86:22 pm
HLN
-
SJC
1 stop5h 13m
Alaska Airlines
Mon 5/119:42 pm
SJC
-
HLN
1 stop19h 03m
Alaska Airlines
Deal found 2/27$292
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 3/246:22 pm
HLN
-
SAN
1 stop25h 17m
Alaska Airlines
Tue 3/315:52 pm
SAN
-
HLN
1 stop22h 53m
Alaska Airlines
Deal found 2/26$293

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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

One-way from

$122
(Alaska Airlines)

Popular in

April

Cheapest in

February

Average price

$295
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
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 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 1, 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

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 4/10

1:02 pm-6:08 pm

1 stop6h 06m

Las Vegas Harry Reid Intl

Tue 4/14

6:05 am-12:24 pm

1 stop5h 19m

$249

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

Wed 4/1

5:30 am-8:52 am

1 stop4h 22m

San Jose

Wed 4/22

6:00 am-12:24 pm

1 stop5h 24m

$251

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Wed 4/29

6:22 pm-5:38 pm

1 stop24h 16m

San Diego

Mon 5/4

6:15 am-5:45 pm

1 stop10h 30m

$265

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Tue 4/28

6:22 pm-10:56 am

1 stop17h 34m

San Francisco

Fri 5/1

5:31 pm-5:45 pm

1 stop23h 14m

$291

HelenaSan Jose

HLN - SJC

HLNSJC

Helena

Fri 5/8

6:22 pm-10:35 pm

1 stop5h 13m

San Jose

Mon 5/11

9:42 pm-5:45 pm

1 stop19h 03m

$292

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Tue 3/24

6:22 pm-6:39 pm

1 stop25h 17m

San Diego

Tue 3/31

5:52 pm-5:45 pm

1 stop22h 53m

$293

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Thu 4/30

6:22 pm-7:39 pm

1 stop26h 17m

San Diego

Mon 5/4

6:15 am-5:45 pm

1 stop10h 30m

$293

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Fri 5/1

6:22 pm-11:59 pm

1 stop6h 37m

San Diego

Mon 5/4

6:15 am-5:45 pm

1 stop10h 30m

$293

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 7/10

5:26 pm-10:50 pm

1 stop6h 24m

Las Vegas Harry Reid Intl

Fri 7/17

10:29 am-4:49 pm

1 stop5h 20m

$293

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 4/7

6:22 pm-9:46 pm

1 stop4h 24m

Sacramento Intl

Wed 6/10

8:34 pm-4:49 pm

1 stop19h 15m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

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 1, 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
8,244 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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
8,244 reviews
Delta
7.9
Good
8,244 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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 06m. There are 745 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 - San Diego or Helena - San Francisco.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$373FlexibilityNo cancel feeOn-timeN/A

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