How long does it take to fly to Helena?

On average, it takes 2h 20m to fly from California to Helena if you fly out of San Francisco (the most popular airport in California) and into Bozeman (the most popular airport in Helena). If you’re flying out of Los Angeles and into Bozeman, then the flight time is around 2h 36m.

What is the cheapest airline that flies from California to Helena?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from California to Helena

What airlines fly to Helena?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Helena from California according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 7 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from California to Helena Airport?

Prices for flights from California to Helena Airport refresh daily.

How many operators does momondo search for flights from California to Helena Airport?

As of January 2026, there are 3 operators available to choose from for flights from California to Helena Airport.

How old do you have to be to fly from California to Helena Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$109 Cheap Flights from California to Helena in 2026

1 adult

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Find the cheapest flights from California to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 5:45 pm

LAX

HLN

6h 45m

1 stop

6:22 pm - 10:55 pm

HLN

LAX

5h 33m

1 stop

$229Alaska Airlines

Tue, Mar 31 - Wed, Apr 1

8:30 am - 3:59 pm

SMF

HLN

6h 29m

1 stop

4:36 pm - 9:14 pm

HLN

SMF

5h 38m

1 stop

$241Alaska Airlines

Tue, Mar 10 - Fri, Mar 13

6:30 am - 3:59 pm

SFO

HLN

8h 29m

1 stop

4:36 pm - 10:56 pm

HLN

SFO

7h 20m

1 stop

$246Alaska Airlines

Wed, Feb 18 - Fri, Feb 20

7:45 am - 3:59 pm

LAX

HLN

7h 14m

1 stop

4:36 pm - 9:50 pm

HLN

LAX

6h 14m

1 stop

$248Alaska Airlines

Thu, Feb 26 - Sat, Feb 28

6:30 am - 3:59 pm

SFO

HLN

8h 29m

1 stop

4:36 pm - 10:56 pm

HLN

SFO

7h 20m

1 stop

$250Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

5:00 pm - 10:34 pm

SMF

HLN

4h 34m

1 stop

5:45 am - 8:48 am

HLN

SMF

4h 03m

1 stop

$269Delta

Fri, Jul 10 - Tue, Jul 14

5:00 am - 1:41 pm

SMF

HLN

7h 41m

1 stop

2:25 pm - 9:12 pm

HLN

SMF

7h 47m

1 stop

$279United Airlines

Tue, Feb 10 - Sat, Feb 14

5:00 am - 1:39 pm

LAX

HLN

7h 39m

1 stop

2:25 pm - 7:20 pm

HLN

LAX

5h 55m

1 stop

$279United Airlines

Wed, Apr 1 - Sat, Apr 4

5:00 pm - 10:34 pm

SJC

HLN

4h 34m

1 stop

12:50 pm - 4:16 pm

HLN

SJC

4h 26m

1 stop

$289Delta

Mon, Jun 1 - Fri, Jun 5

6:15 am - 3:59 pm

SAN

HLN

8h 44m

1 stop

6:22 pm - 11:58 pm

HLN

SAN

6h 36m

1 stop

$330Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets

Alaska Airlines

Mar 31

LAX10:00 amLos Angeles

6h 45m

1 stop

HLN5:45 pmHelena

Apr 1

HLN6:22 pmHelena

5h 33m

1 stop

LAX10:55 pmLos Angeles

$229

Alaska Airlines

Mar 10

SMF8:30 amSacramento Intl

6h 29m

1 stop

HLN3:59 pmHelena

Mar 13

HLN4:36 pmHelena

5h 38m

1 stop

SMF9:14 pmSacramento Intl

$241

Alaska Airlines

Feb 18

SFO6:30 amSan Francisco

8h 29m

1 stop

HLN3:59 pmHelena

Feb 20

HLN4:36 pmHelena

7h 20m

1 stop

SFO10:56 pmSan Francisco

$246

Delta flights from California to Helena

Our best Delta deals on California to Helena flight tickets

Delta

Jul 10

SMF5:00 pmSacramento Intl

4h 34m

1 stop

HLN10:34 pmHelena

Jul 14

HLN5:45 amHelena

4h 03m

1 stop

SMF8:48 amSacramento Intl

$269

Delta

Jun 19

SMF5:00 pmSacramento Intl

4h 34m

1 stop

HLN10:34 pmHelena

Jun 22

HLN5:45 amHelena

4h 03m

1 stop

SMF8:48 amSacramento Intl

$319

Delta

Apr 2

LAX5:45 amLos Angeles

5h 36m

1 stop

HLN12:21 pmHelena

Apr 9

HLN5:30 amHelena

4h 26m

1 stop

LAX8:56 amLos Angeles

$327

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Tue 3/31

10:00 am-5:45 pm

1 stop6h 45m

Helena

Wed 4/1

6:22 pm-10:55 pm

1 stop5h 33m

$229

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Tue 3/10

8:30 am-3:59 pm

1 stop6h 29m

Helena

Fri 3/13

4:36 pm-9:14 pm

1 stop5h 38m

$241

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Wed 2/18

6:30 am-3:59 pm

1 stop8h 29m

Helena

Fri 2/20

4:36 pm-10:56 pm

1 stop7h 20m

$246

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Thu 2/26

7:45 am-3:59 pm

1 stop7h 14m

Helena

Sat 2/28

4:36 pm-9:50 pm

1 stop6h 14m

$248

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 2/28

6:30 am-3:59 pm

1 stop8h 29m

Helena

Wed 3/4

4:36 pm-10:56 pm

1 stop7h 20m

$250

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Fri 7/10

5:00 pm-10:34 pm

1 stop4h 34m

Helena

Tue 7/14

5:45 am-8:48 am

1 stop4h 03m

$269

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Tue 2/10

5:00 am-1:41 pm

1 stop7h 41m

Helena

Sat 2/14

2:25 pm-9:12 pm

1 stop7h 47m

$279

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Wed 4/1

5:00 am-1:39 pm

1 stop7h 39m

Helena

Sat 4/4

2:25 pm-7:20 pm

1 stop5h 55m

$279

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Mon 6/1

5:00 pm-10:34 pm

1 stop4h 34m

Helena

Fri 6/5

12:50 pm-4:16 pm

1 stop4h 26m

$289

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Fri 3/13

6:15 am-3:59 pm

1 stop8h 44m

Helena

Fri 3/20

6:22 pm-11:58 pm

1 stop6h 36m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Helena?

If you aren’t able to travel to Helena during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $299.

Can stopping save me money on California to Helena flights?

You could potentially save up to 64% on your flight if you consider stops on a California to Helena flight.

Cheap California to Helena flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Helena

Fastest flight time	4h 07m
Direct flights	None

The fastest flight from California to Helena takes 4h 07m

There are no direct flights from California to Helena. There are no popular flight routes from California to Helena.

Search flight deals

When did momondo last update prices for flights from California to Helena Airport?
Prices for flights from California to Helena Airport refresh daily.
How many operators does momondo search for flights from California to Helena Airport?
As of January 2026, there are 3 operators available to choose from for flights from California to Helena Airport.
How old do you have to be to fly from California to Helena Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Helena

Compare and see reviews for airlines that fly from California to Helena with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $158	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
Alaska Airlines	PriceFrom $292	Free Cancellation	Rating 8.0 11,808 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $297	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from California to Helena?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Helena for you.

Can I find flights from California to Helena with flexible booking policies on momondo?

Yes. All flights to Helena from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to Helena?

Once all potential California to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from California to Helena right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Helena, momondo offers a useful price alert feature which will track prices for flights to Helena from California and alert you when they change.