How long does it take to fly to Helena?

On average, it takes 2h 14m 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.

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, 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 45% 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 September 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.

$175 Cheap Flights from California to Helena in 2026/27

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.

7:00 am - 4:23 pmSMF Sacramento Intl-HLN Helena

8h 23m1 stop Seattle/Tacoma Intl

5:00 pm - 10:15 pmHLN Helena-SMF Sacramento Intl

6h 15m1 stop Seattle/Tacoma Intl

$343Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

8:23 am - 4:44 pmSMF Sacramento Intl-HLN Helena

7h 21m1 stop Seattle/Tacoma Intl

4:41 pm - 1:56 pmHLN Helena-SMF Sacramento Intl

22h 15m1 stop Seattle/Tacoma Intl

$343Alaska Airlines

Sat, Oct 31 - Tue, Nov 10

7:00 am - 4:23 pmONT Ontario-HLN Helena

8h 23m1 stop Seattle/Tacoma Intl

5:00 pm - 10:41 pmHLN Helena-ONT Ontario

6h 41m1 stop Seattle/Tacoma Intl

$349Alaska Airlines

Sat, Jan 30 - Wed, Feb 3

6:15 am - 4:04 pmSAN San Diego-HLN Helena

8h 49m1 stop Seattle/Tacoma Intl

4:41 pm - 2:47 pmHLN Helena-SAN San Diego

23h 06m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

5:03 pm - 10:24 pmONT Ontario-HLN Helena

4h 21m1 stop Salt Lake City

1:08 pm - 10:43 pmHLN Helena-ONT Ontario

10h 35m2 stops Salt Lake City Seattle/Tacoma Intl

$354Delta

Thu, Oct 15 - Tue, Oct 27

5:00 am - 1:40 pmONT Ontario-HLN Helena

7h 40m1 stop Denver Intl

2:23 pm - 8:51 pmHLN Helena-ONT Ontario

7h 28m1 stop Denver Intl

$449United Airlines

Thu, Nov 12 - Sun, Nov 15

2:40 pm - 10:24 pmSFO San Francisco-HLN Helena

6h 44m2 stops Los Angeles Salt Lake City

1:08 pm - 10:16 pmHLN Helena-SFO San Francisco

10h 08m2 stops Salt Lake City Seattle/Tacoma Intl

$474Delta

Wed, Oct 28 - Tue, Nov 3

5:13 pm - 10:24 pmSFO San Francisco-HLN Helena

4h 11m1 stop Salt Lake City

1:08 pm - 10:16 pmHLN Helena-SFO San Francisco

10h 08m2 stops Salt Lake City Seattle/Tacoma Intl

$489Delta

Sun, Nov 1 - Tue, Nov 3

5:00 am - 1:40 pmSMF Sacramento Intl-HLN Helena

7h 40m1 stop Denver Intl

6:28 am - 1:07 pmHLN Helena-SMF Sacramento Intl

7h 39m1 stop Denver Intl

$525United Airlines

Fri, Nov 20 - Thu, Nov 26

12:45 pm - 9:31 pmLAX Los Angeles-HLN Helena

7h 46m1 stop Denver Intl

2:23 pm - 7:29 pmHLN Helena-LAX Los Angeles

6h 06m1 stop Denver Intl

$545United Airlines

Thu, Nov 12 - Sun, Nov 15

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 4:41 pmSMF Sacramento Intl-HLN Helena

9h 41m1 stop Seattle/Tacoma Intl

5:26 pm - 9:44 pmHLN Helena-SMF Sacramento Intl

5h 18m1 stop Seattle/Tacoma Intl

$850Alaska Airlines

Sat, Sep 26 - Tue, Oct 6

12:55 pm - 4:41 pmSMF Sacramento Intl-HLN Helena

26h 46m1 stop Seattle/Tacoma Intl

5:26 pm - 9:44 pmHLN Helena-SMF Sacramento Intl

5h 18m1 stop Seattle/Tacoma Intl

$850Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

5:00 am - 1:48 pmSMF Sacramento Intl-HLN Helena

7h 48m1 stop Denver Intl

6:25 am - 1:19 pmHLN Helena-SMF Sacramento Intl

7h 54m1 stop Denver Intl

$850United Airlines

Sat, Sep 26 - Sat, Oct 3

2:09 pm - 10:29 pmSMF Sacramento Intl-HLN Helena

7h 20m2 stops Los Angeles Salt Lake City

7:15 am - 12:15 pmHLN Helena-SMF Sacramento Intl

6h 00m1 stop Salt Lake City

$855Delta

Sat, Sep 26 - Sat, Oct 3

5:08 pm - 10:29 pmSMF Sacramento Intl-HLN Helena

4h 21m1 stop Salt Lake City

1:08 pm - 10:46 pmHLN Helena-SMF Sacramento Intl

10h 38m2 stops Salt Lake City Seattle/Tacoma Intl

$855Delta

Sat, Sep 26 - Tue, Oct 6

9:03 am - 4:41 pmSFO San Francisco-HLN Helena

6h 38m1 stop Seattle/Tacoma Intl

5:26 pm - 9:49 pmHLN Helena-SFO San Francisco

5h 23m1 stop Seattle/Tacoma Intl

$855Alaska Airlines

Tue, Sep 29 - Tue, Oct 6

5:30 am - 12:17 pmSMF Sacramento Intl-HLN Helena

5h 47m1 stop Salt Lake City

7:15 am - 4:57 pmHLN Helena-SMF Sacramento Intl

10h 42m2 stops Salt Lake City Seattle/Tacoma Intl

$855Delta

Sat, Sep 26 - Tue, Oct 6

2:35 pm - 9:18 pmLAX Los Angeles-HLN Helena

5h 43m1 stop Denver Intl

6:25 am - 1:17 pmHLN Helena-LAX Los Angeles

7h 52m1 stop Denver Intl

$865United Airlines

Fri, Sep 25 - Fri, Oct 2

10:00 pm - 4:41 pmSAN San Diego-HLN Helena

17h 41m2 stops Fresno Airterminal Seattle/Tacoma Intl

5:26 pm - 11:59 pmHLN Helena-SAN San Diego

7h 33m1 stop Seattle/Tacoma Intl

$896Alaska Airlines

Mon, Sep 28 - Mon, Oct 5

12:37 pm - 9:18 pmSAN San Diego-HLN Helena

7h 41m1 stop Denver Intl

2:30 pm - 8:39 pmHLN Helena-SAN San Diego

7h 09m1 stop Denver Intl

$896United Airlines

Mon, Sep 28 - Mon, Oct 5

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Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets

Alaska Airlines

Jan 30

SMF7:00 amSacramento Intl

8h 23m

1 stop

HLN4:23 pmHelena

Feb 2

HLN5:00 pmHelena

6h 15m

1 stop

SMF10:15 pmSacramento Intl

$343

Alaska Airlines

Jan 30

ONT7:00 amOntario

8h 23m

1 stop

HLN4:23 pmHelena

Feb 3

HLN5:00 pmHelena

6h 41m

1 stop

ONT10:41 pmOntario

$349

Alaska Airlines

Oct 31

OAK7:02 amOakland

8h 42m

1 stop

HLN4:44 pmHelena

Nov 3

HLN4:41 pmHelena

20h 20m

1 stop

OAK12:01 pmOakland

$353

Delta flights from California to Helena

Our best Delta deals on California to Helena flight tickets

Delta

Oct 15

ONT5:03 pmOntario

4h 21m

1 stop

HLN10:24 pmHelena

Oct 27

HLN1:08 pmHelena

10h 35m

2 stops

ONT10:43 pmOntario

$354

Delta

Oct 28

SFO2:40 pmSan Francisco

6h 44m

2 stops

HLN10:24 pmHelena

Nov 3

HLN1:08 pmHelena

10h 08m

2 stops

SFO10:16 pmSan Francisco

$474

Delta

Nov 1

SFO5:13 pmSan Francisco

4h 11m

1 stop

HLN10:24 pmHelena

Nov 3

HLN1:08 pmHelena

10h 08m

2 stops

SFO10:16 pmSan Francisco

$489

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoHelena

SMF Sacramento Intl - HLN Helena

SMFHLN

Sacramento Intl

Sat 1/30

7:00 am-4:23 pm

1 stop8h 23m

Helena

Tue 2/2

5:00 pm-10:15 pm

1 stop6h 15m

$343

SacramentoHelena

SMF Sacramento Intl - HLN Helena

SMFHLN

Sacramento Intl

Sat 10/31

8:23 am-4:44 pm

1 stop7h 21m

Helena

Tue 11/10

4:41 pm-1:56 pm

1 stop22h 15m

$343

OntarioHelena

ONT Ontario - HLN Helena

ONTHLN

Ontario

Sat 1/30

7:00 am-4:23 pm

1 stop8h 23m

Helena

Wed 2/3

5:00 pm-10:41 pm

1 stop6h 41m

$349

San DiegoHelena

SAN San Diego - HLN Helena

SANHLN

San Diego

Sat 11/14

6:15 am-4:04 pm

1 stop8h 49m

Helena

Tue 11/17

4:41 pm-2:47 pm

1 stop23h 06m

$353

OntarioHelena

ONT Ontario - HLN Helena

ONTHLN

Ontario

Thu 10/15

5:03 pm-10:24 pm

1 stop4h 21m

Helena

Tue 10/27

1:08 pm-10:43 pm

2 stops10h 35m

$354

OntarioHelena

ONT Ontario - HLN Helena

ONTHLN

Ontario

Thu 11/12

5:00 am-1:40 pm

1 stop7h 40m

Helena

Sun 11/15

2:23 pm-8:51 pm

1 stop7h 28m

$449

San FranciscoHelena

SFO San Francisco - HLN Helena

SFOHLN

San Francisco

Wed 10/28

2:40 pm-10:24 pm

2 stops6h 44m

Helena

Tue 11/3

1:08 pm-10:16 pm

2 stops10h 08m

$474

San FranciscoHelena

SFO San Francisco - HLN Helena

SFOHLN

San Francisco

Sun 11/1

5:13 pm-10:24 pm

1 stop4h 11m

Helena

Tue 11/3

1:08 pm-10:16 pm

2 stops10h 08m

$489

SacramentoHelena

SMF Sacramento Intl - HLN Helena

SMFHLN

Sacramento Intl

Fri 11/20

5:00 am-1:40 pm

1 stop7h 40m

Helena

Thu 11/26

6:28 am-1:07 pm

1 stop7h 39m

$525

Quickest round-trip

Los AngelesHelena

LAX Los Angeles - HLN Helena

LAXHLN

Los Angeles

Thu 11/12

12:45 pm-9:31 pm

1 stop7h 46m

Helena

Sun 11/15

2:23 pm-7:29 pm

1 stop6h 06m

$545

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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $382.

Can stopping save me money on California to Helena flights?

You could potentially save up to 52% 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

Best Price Found	$175
Fastest flight time	4h 02m
Direct flights	None

The best one-way flight to Helena from California in the past 72 hours is $175. The best round-trip flight deal from California to Helena found on momondo in the last 72 hours is $343.

The fastest flight from California to Helena takes 4h 02m

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 September 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 8,591 reviews	Search Delta flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 10,228 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $480	Free Cancellation	Rating 7.9 12,959 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.