HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$160+ Cheap flights from California to Helena (HLN)

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — HLN
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from California to Helena

Cheapest flights from California to Helena
Explore the most affordable flight options available from California to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2026.

This Delta deal was found by Cheapflights users on 5/21. 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.
Mon 10/196:00 am
ONT
-
HLN
1 stop5h 24m
Delta
Fri 10/235:45 am
HLN
-
ONT
1 stop4h 22m
Delta
Deal found 5/21$319
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 10/2410:35 am
SJC
-
HLN
1 stop4h 36m
Alaska Airlines
Wed 10/284:48 pm
HLN
-
SJC
1 stop7h 05m
Alaska Airlines
Deal found 5/22$319
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:01 pm
SJC
-
HLN
1 stop4h 38m
Delta
Sun 7/1912:55 pm
HLN
-
SJC
2 stops10h 18m
Delta
Deal found 5/19$324
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 10/248:11 am
SMF
-
HLN
1 stop7h 00m
Alaska Airlines
Wed 10/284:48 pm
HLN
-
SMF
1 stop5h 56m
Alaska Airlines
Deal found 5/17$339
This Delta deal was found by Cheapflights users on 5/17. 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 7/112:20 pm
SMF
-
HLN
2 stops7h 19m
Delta
Wed 7/155:40 am
HLN
-
SMF
1 stop4h 11m
Delta
Deal found 5/17$344
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 11/47:00 am
LAX
-
HLN
1 stop8h 04m
Alaska Airlines
Sat 11/74:41 pm
HLN
-
LAX
1 stop8h 15m
Alaska Airlines
Deal found 5/20$349
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:15 am
SAN
-
HLN
1 stop8h 56m
Alaska Airlines
Sat 10/314:48 pm
HLN
-
SAN
1 stop8h 11m
Alaska Airlines
Deal found 5/21$353
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:01 pm
SJC
-
HLN
1 stop4h 38m
Delta
Sun 7/195:40 am
HLN
-
SJC
1 stop4h 17m
Delta
Deal found 5/19$359
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 8/257:22 pm
SFO
-
HLN
1 stop20h 12m
Alaska Airlines
Mon 8/315:11 pm
HLN
-
SFO
1 stop20h 45m
Alaska Airlines
Deal found 5/18$363
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 10/278:43 pm
SFO
-
HLN
1 stop18h 28m
Alaska Airlines
Sat 10/314:48 pm
HLN
-
SFO
1 stop7h 56m
Alaska Airlines
Deal found 5/19$365
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
LAX
-
HLN
1 stop6h 06m
Alaska Airlines
Wed 6/34:43 pm
HLN
-
LAX
1 stop7h 23m
Alaska Airlines
Deal found 5/18$369
This Delta deal was found by Cheapflights users on 5/21. 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.
Sun 9/205:05 pm
SNA
-
HLN
1 stop4h 29m
Delta
Tue 9/295:45 am
HLN
-
SNA
1 stop4h 24m
Delta
Deal found 5/21$373

Find flight deals from California to Helena

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$160
(Delta)

Popular in

December

Cheapest in

September

Average price

$393
Provider with most accurate pricing for Los Angeles-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Helena flights.
Search Deals
From California to Helena
Search Deals
One-way flight from California to Helena
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Helena 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 May 23, 2026.
Use the filters below to find and compare flights from California to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 10/24

10:35 am-4:11 pm

1 stop4h 36m

Helena

Wed 10/28

4:48 pm-10:53 pm

1 stop7h 05m

$319

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Sat 7/11

5:00 pm-10:39 pm

1 stop4h 39m

Helena

Wed 7/15

5:40 am-8:51 am

1 stop4h 11m

$339

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 8/25

9:03 am-4:34 pm

1 stop6h 31m

Helena

Mon 8/31

5:11 pm-3:49 pm

1 stop23h 38m

$363

Santa AnaHelena

SNA - HLN

SNAHLN

Santa Ana J. Wayne/Orange Cnty

Mon 9/21

7:00 am-12:23 pm

1 stop4h 23m

Helena

Thu 10/1

5:45 am-9:09 am

1 stop4h 24m

$373

Santa AnaHelena

SNA - HLN

SNAHLN

Santa Ana J. Wayne/Orange Cnty

Thu 10/29

8:06 am-4:11 pm

1 stop7h 05m

Helena

Sat 10/31

4:48 pm-9:50 pm

1 stop6h 02m

$373

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Wed 10/28

7:37 am-4:11 pm

1 stop7h 34m

Helena

Sat 10/31

4:48 pm-10:05 pm

1 stop6h 17m

$377

BurbankHelena

BUR - HLN

BURHLN

Burbank Bob Hope

Sat 10/24

7:00 am-4:11 pm

1 stop8h 11m

Helena

Tue 10/27

4:48 pm-9:57 pm

1 stop6h 09m

$377

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Wed 9/2

10:33 am-4:34 pm

1 stop5h 01m

Helena

Sun 9/6

5:11 pm-10:40 pm

1 stop6h 29m

$392

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Sun 6/28

5:35 am-12:20 pm

1 stop5h 45m

Helena

Sat 7/4

1:00 pm-6:10 pm

1 stop6h 10m

$394
Quickest round-trip

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Sun 7/5

5:05 pm-10:31 pm

1 stop4h 26m

Helena

Fri 7/10

5:40 am-8:50 am

1 stop4h 10m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from California to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from California 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 California to Helena

What is the cheapest month to book a flight from California to Helena?

Currently, December is the cheapest month in which you can book a flight from California to Helena (average of $159). Flying from California to Helena in January is currently the most expensive (average of $398). 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.

How much does it cost to fly round-trip from California to Helena?

Related info for your journey

Find useful and relevant information for your journey from California to Helena. 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 into for flights to Helena from California?

    Helena (HLN), located 2.7 mi from the city center, is the airport you fly into when you book flights from California to Helena.

  • How long is the flight from California to Helena?

    There are many flights that can get you from California to Helena in 4h 36m. Fly via Alaska Airlines, Delta, or United Airlines to get the fastest option. The distance between California and Helena is about 816 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from California to Helena?

    When deciding which route to take from California to Helena consider Los Angeles - Helena, San Francisco - Helena or Ontario - Helena as they are the most popular.

  • Can I find deals for flights from California to Helena that include hotel bookings?

    Yes. In addition to deals on California to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Helena.

  • Can I find deals for business class flights from California to Helena?

    Yes. Cheapflights offers flight deals from California to Helena 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 California to Helena?

    Currently, December is the cheapest month in which you can book a flight from California to Helena (average of $159). Flying from California to Helena in January is currently the most expensive (average of $398). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Helena

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bozeman flights
O'Hare Intl to Bozeman flights
Santa Rosa to Kalispell flights
Boston to Bozeman flights
LaGuardia to Bozeman flights
Los Angeles to Bozeman flights
Atlanta to Bozeman flights
O'Hare Intl to Kalispell flights
John F Kennedy Intl to Bozeman flights
Dulles Intl to Bozeman flights
Dallas/Fort Worth to Bozeman flights
San Francisco to Bozeman flights
San Francisco to Kalispell flights
Baltimore to Bozeman flights
O'Hare Intl to Missoula flights
Minneapolis to Bozeman flights
Dallas/Fort Worth to Kalispell flights
Seattle to Bozeman flights
San Francisco to Missoula flights
Reagan-National to Bozeman flights
Denver to Missoula flights
Philadelphia to Bozeman flights
Denver to Bozeman flights
John F Kennedy Intl to Kalispell flights
Dallas/Fort Worth to Missoula flights
Seattle to Missoula flights
Charlotte to Bozeman flights
Philadelphia to Missoula flights
Denver to Kalispell flights
Minneapolis to Kalispell flights
Ontario to Bozeman flights
Los Angeles to Missoula flights
Seattle to Kalispell flights
Los Angeles to Kalispell flights
Seattle to Billings flights
Dulles Intl to Kalispell flights
Newark to Missoula flights
Boston to Kalispell flights
Hartford to Bozeman flights
Boston to Missoula flights
Nashville to Bozeman flights
Indianapolis to Bozeman flights
Hobby to Kalispell flights
Pittsburgh to Bozeman flights
Dallas/Fort Worth to Billings flights
Newark to Kalispell flights

Top 3 airlines flying from California to Helena

Discover the top 3 airlines that operate flights from California to Helena. 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 May 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$242Average$465FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$291Average$579FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.