California

$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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — LAX
Apr 29 — May 61
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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 30, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 4/276:22 pm
HLN
-
LAS
1 stop6h 37m
Alaska Airlines
Thu 4/309:40 am
LAS
-
HLN
1 stop7h 05m
Alaska Airlines
Deal found 3/29$309
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/192:30 pm
HLN
-
LAS
1 stop5h 37m
United Airlines
Sat 5/235:30 am
LAS
-
HLN
1 stop7h 03m
United Airlines
Deal found 3/30$319
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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
Wed 4/298:45 am
LAX
-
HLN
1 stop8h 00m
Alaska Airlines
Deal found 3/29$319
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 8/55:26 pm
HLN
-
LAS
1 stop6h 24m
Alaska Airlines
Sat 8/86:00 am
LAS
-
HLN
1 stop9h 49m
Alaska Airlines
Deal found 3/27$329
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:45 am
HLN
-
RNO
1 stop4h 22m
Delta
Sun 10/116:00 am
RNO
-
HLN
1 stop5h 24m
Delta
Deal found 3/26$329
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 4/256:22 pm
HLN
-
ONT
1 stop5h 10m
Alaska Airlines
Wed 4/2910:39 am
ONT
-
HLN
1 stop6h 06m
Alaska Airlines
Deal found 3/26$331
This Delta deal was found by Cheapflights users on 3/29. 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.
Sun 5/241:03 pm
HLN
-
LAS
1 stop3h 52m
Delta
Sat 5/306:10 am
LAS
-
HLN
1 stop5h 13m
Delta
Deal found 3/29$334
This Delta deal was found by Cheapflights users on 3/29. 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 4/201:04 pm
HLN
-
RNO
2 stops11h 23m
Delta
Fri 4/246:00 am
RNO
-
HLN
1 stop5h 24m
Delta
Deal found 3/29$334
This Expedia deal was found by Cheapflights users on 3/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:22 pm
HLN
-
SAN
1 stop16h 33m
Alaska Airlines
Sat 5/26:34 pm
SAN
-
HLN
1 stop22h 11m
Alaska Airlines
Deal found 3/28$337
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/176:22 pm
HLN
-
SFO
1 stop6h 37m
Alaska Airlines
Tue 4/2111:13 am
SFO
-
HLN
1 stop5h 32m
Alaska Airlines
Deal found 3/26$339
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:30 am
HLN
-
SMF
1 stop4h 13m
Delta
Tue 4/145:14 pm
SMF
-
HLN
1 stop4h 16m
Delta
Deal found 3/26$339
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 4/115:30 am
HLN
-
LAS
1 stop3h 50m
Delta
Tue 4/145:20 pm
LAS
-
HLN
1 stop4h 10m
Delta
Deal found 3/27$339

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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Alaska Airlines)

One-way from

$155
(Delta)

Popular in

November

Cheapest in

February

Average price

$295
Provider with most accurate pricing for Helena-Los Angeles Los Angeles flight deals.
Provider most trusted by Cheapflights users for Helena-Los Angeles Los Angeles flights.
From Helena to California
One-way flight from Helena to California
Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 30, 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 4/22

2:25 pm-8:58 pm

1 stop7h 33m

Las Vegas Harry Reid Intl

Wed 4/29

5:30 am-1:39 pm

1 stop7h 09m

$309

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Wed 4/22

5:40 am-8:18 am

1 stop3h 38m

Las Vegas Harry Reid Intl

Wed 4/29

6:05 am-12:24 pm

1 stop5h 19m

$309

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 4/27

6:22 pm-11:59 pm

1 stop6h 37m

Las Vegas Harry Reid Intl

Thu 4/30

9:40 am-5:45 pm

1 stop7h 05m

$309

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Sat 4/25

6:22 pm-11:02 pm

1 stop5h 40m

Los Angeles Los Angeles

Wed 4/29

8:45 am-5:45 pm

1 stop8h 00m

$319

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Thu 8/27

2:29 pm-8:36 pm

1 stop7h 07m

Las Vegas Harry Reid Intl

Mon 8/31

5:30 am-1:32 pm

1 stop7h 02m

$329

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 5/29

5:45 am-8:54 am

1 stop4h 09m

Las Vegas Harry Reid Intl

Tue 6/2

6:10 am-12:23 pm

1 stop5h 13m

$329

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Fri 5/29

4:43 pm-10:48 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Tue 6/2

9:57 am-4:06 pm

1 stop5h 09m

$329

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 4/25

6:22 pm-10:32 pm

1 stop5h 10m

Ontario

Wed 4/29

10:39 am-5:45 pm

1 stop6h 06m

$331

HelenaReno

HLN - RNO

HLNRNO

Helena

Mon 4/20

1:04 pm-11:27 pm

2 stops11h 23m

Reno

Fri 4/24

6:00 am-12:24 pm

1 stop5h 24m

$334

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

Sat 4/25

6:22 pm-9:55 am

1 stop16h 33m

San Diego

Sat 5/2

6:34 pm-5:45 pm

1 stop22h 11m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

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 30, 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.

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

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 3h 38m. 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?

  • 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 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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$409FlexibilityNo cancel feeOn-timeN/A

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