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

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

What airlines fly to Helena?

United Airlines, Alaska Airlines and Delta 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 46% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 8 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Helena?

On average, it takes 2h 15m 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 32m.

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 June 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.

$160 Cheap Flights from California to Helena in 2026

Discover deals from 900+ travel sites with momondo.

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.

8:11 am - 4:11 pm

SMF

HLN

7h 00m

1 stop

4:48 pm - 11:50 pm

HLN

SMF

8h 02m

1 stop

$313Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

4:18 pm - 4:11 pm

SFO

HLN

22h 53m

1 stop

4:48 pm - 11:44 pm

HLN

SFO

7h 56m

1 stop

$323Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

6:15 am - 4:11 pm

SJC

HLN

8h 56m

1 stop

4:48 pm - 10:53 pm

HLN

SJC

7h 05m

1 stop

$323Alaska Airlines

Tue, Oct 27 - Sat, Oct 31

7:59 pm - 4:41 pm

ONT

HLN

19h 42m

1 stop

5:18 pm - 11:24 pm

HLN

ONT

7h 06m

1 stop

$331Alaska Airlines

Fri, Sep 25 - Mon, Sep 28

2:30 pm - 10:24 pm

SFO

HLN

6h 54m

2 stops

7:15 am - 1:25 pm

HLN

SFO

7h 10m

2 stops

$391Delta

Tue, Sep 8 - Wed, Sep 23

6:00 am - 12:24 pm

SMF

HLN

5h 24m

1 stop

5:45 am - 8:57 am

HLN

SMF

4h 12m

1 stop

$401Delta

Sun, Nov 1 - Sun, Nov 8

5:08 pm - 10:24 pm

SMF

HLN

4h 16m

1 stop

7:15 am - 1:34 pm

HLN

SMF

7h 19m

2 stops

$406Delta

Fri, Sep 25 - Fri, Oct 2

7:15 am - 9:39 pm

PSP

HLN

13h 24m

2 stops

6:15 am - 7:56 pm

HLN

PSP

14h 41m

2 stops

$741United Airlines

Sat, Nov 14 - Tue, Nov 17

5:30 am - 1:33 pm

PSP

HLN

7h 03m

1 stop

2:20 pm - 10:30 pm

HLN

PSP

9h 10m

2 stops

$1,094United Airlines

Wed, Jul 8 - Sun, Jul 12

11:09 am - 9:20 pm

PSP

HLN

9h 11m

2 stops

2:20 pm - 10:30 pm

HLN

PSP

9h 10m

2 stops

$1,374United Airlines

Wed, Jul 8 - Sun, Jul 12

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Delta flights from California to Helena

Our best Delta deals on California to Helena flight tickets

Delta

Sep 8

SFO2:30 pmSan Francisco

6h 54m

2 stops

HLN10:24 pmHelena

Sep 23

HLN7:15 amHelena

7h 10m

2 stops

SFO1:25 pmSan Francisco

$391

Delta

Nov 1

SMF6:00 amSacramento Intl

5h 24m

1 stop

HLN12:24 pmHelena

Nov 8

HLN5:45 amHelena

4h 12m

1 stop

SMF8:57 amSacramento Intl

$401

Delta

Sep 25

SMF5:08 pmSacramento Intl

4h 16m

1 stop

HLN10:24 pmHelena

Oct 2

HLN7:15 amHelena

7h 19m

2 stops

SMF1:34 pmSacramento Intl

$406

Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets

Alaska Airlines

Oct 27

SMF8:11 amSacramento Intl

7h 00m

1 stop

HLN4:11 pmHelena

Oct 31

HLN4:48 pmHelena

8h 02m

1 stop

SMF11:50 pmSacramento Intl

$313

Alaska Airlines

Oct 27

SFO4:18 pmSan Francisco

22h 53m

1 stop

HLN4:11 pmHelena

Oct 31

HLN4:48 pmHelena

7h 56m

1 stop

SFO11:44 pmSan Francisco

$323

Alaska Airlines

Sep 25

ONT7:59 pmOntario

19h 42m

1 stop

HLN4:41 pmHelena

Sep 28

HLN5:18 pmHelena

7h 06m

1 stop

ONT11:24 pmOntario

$331

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Tue 10/27

8:11 am-4:11 pm

1 stop7h 00m

Helena

Sat 10/31

4:48 pm-11:50 pm

1 stop8h 02m

$313

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 10/27

4:18 pm-4:11 pm

1 stop22h 53m

Helena

Sat 10/31

4:48 pm-11:44 pm

1 stop7h 56m

$323

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Tue 10/27

6:15 am-4:11 pm

1 stop8h 56m

Helena

Sat 10/31

4:48 pm-10:53 pm

1 stop7h 05m

$323

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Fri 9/25

7:59 pm-4:41 pm

1 stop19h 42m

Helena

Mon 9/28

5:18 pm-11:24 pm

1 stop7h 06m

$331

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 9/8

2:30 pm-10:24 pm

2 stops6h 54m

Helena

Wed 9/23

7:15 am-1:25 pm

2 stops7h 10m

$391

Quickest round-trip

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Sun 11/1

6:00 am-12:24 pm

1 stop5h 24m

Helena

Sun 11/8

5:45 am-8:57 am

1 stop4h 12m

$401

SacramentoHelena

SMF - HLN

SMFHLN

Sacramento Intl

Fri 9/25

5:08 pm-10:24 pm

1 stop4h 16m

Helena

Fri 10/2

7:15 am-1:34 pm

2 stops7h 19m

$406

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Sat 11/14

7:15 am-9:39 pm

2 stops13h 24m

Helena

Tue 11/17

6:15 am-7:56 pm

2 stops14h 41m

$741

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Wed 7/8

5:30 am-1:33 pm

1 stop7h 03m

Helena

Sun 7/12

2:20 pm-10:30 pm

2 stops9h 10m

$1,094

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Wed 7/8

11:09 am-9:20 pm

2 stops9h 11m

Helena

Sun 7/12

2:20 pm-10:30 pm

2 stops9h 10m

$1,374

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 December, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $242.

Can stopping save me money on California to Helena flights?

You could potentially save up to 47% 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 05m
Direct flights	None

The fastest flight from California to Helena takes 4h 05m

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

Search flight deals

Frequently asked questions about flying from California to Helena

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 June 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 $159	Free Cancellation	Rating 7.8 8,434 reviews	Search Delta flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 9,885 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $463	Free Cancellation	Rating 7.9 12,572 reviews	Search Alaska 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.