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

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

What airlines fly to California?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to California from Helena according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to California. Keep in mind that there are 6 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Helena Airport to California refresh daily.

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

As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to California.

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

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 Helena Airport to California.

What documentation or ID do you need to fly to California?

The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$202 Cheap Flights from Helena to California in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 9:23 pmHLN Helena-LAX Los Angeles

5h 23m1 stop Seattle/Tacoma Intl

6:00 am - 4:23 pmLAX Los Angeles-HLN Helena

9h 23m1 stop Seattle/Tacoma Intl

$313Alaska Airlines

Sat, Jan 30 - Wed, Feb 3

5:00 pm - 10:56 pmHLN Helena-SFO San Francisco

6h 56m1 stop Seattle/Tacoma Intl

10:25 am - 4:23 pmSFO San Francisco-HLN Helena

4h 58m1 stop Seattle/Tacoma Intl

$325Alaska Airlines

Sat, Jan 30 - Tue, Feb 2

4:49 pm - 10:50 pmHLN Helena-OAK Oakland

7h 01m1 stop Seattle/Tacoma Intl

7:56 pm - 4:12 pmOAK Oakland-HLN Helena

19h 16m1 stop Seattle/Tacoma Intl

$325Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

5:45 am - 12:24 pmHLN Helena-SMF Sacramento Intl

7h 39m2 stops Salt Lake City Seattle/Tacoma Intl

1:00 pm - 12:24 pmSMF Sacramento Intl-HLN Helena

22h 24m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Wed, Jan 13 - Tue, Jan 26

12:50 pm - 9:52 pmHLN Helena-SMF Sacramento Intl

10h 02m2 stops Salt Lake City Seattle/Tacoma Intl

1:00 pm - 12:24 pmSMF Sacramento Intl-HLN Helena

22h 24m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Tue, Jan 19 - Tue, Jan 26

5:45 am - 9:52 pmHLN Helena-SMF Sacramento Intl

17h 07m2 stops Salt Lake City Seattle/Tacoma Intl

6:30 pm - 12:24 pmSMF Sacramento Intl-HLN Helena

16h 54m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Sat, Jan 16 - Fri, Jan 22

12:50 pm - 9:52 pmHLN Helena-SMF Sacramento Intl

10h 02m2 stops Salt Lake City Seattle/Tacoma Intl

11:10 am - 12:24 pmSMF Sacramento Intl-HLN Helena

24h 14m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Tue, Jan 19 - Mon, Jan 25

12:50 pm - 9:52 pmHLN Helena-SMF Sacramento Intl

10h 02m2 stops Salt Lake City Seattle/Tacoma Intl

6:30 pm - 12:24 pmSMF Sacramento Intl-HLN Helena

16h 54m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Wed, Jan 13 - Mon, Jan 25

12:50 pm - 9:52 pmHLN Helena-SMF Sacramento Intl

10h 02m2 stops Salt Lake City Seattle/Tacoma Intl

6:30 pm - 12:24 pmSMF Sacramento Intl-HLN Helena

16h 54m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Tue, Jan 19 - Fri, Jan 22

12:50 pm - 9:52 pmHLN Helena-SMF Sacramento Intl

10h 02m2 stops Salt Lake City Seattle/Tacoma Intl

6:30 pm - 12:24 pmSMF Sacramento Intl-HLN Helena

16h 54m2 stops Seattle/Tacoma Intl Salt Lake City

$343Delta

Wed, Jan 13 - Fri, Jan 22

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Alaska Airlines flights from Helena to California

Our best Alaska Airlines deals on Helena to California flight tickets

Alaska Airlines

Jan 30

HLN5:00 pmHelena

6h 56m

1 stop

SFO10:56 pmSan Francisco

Feb 2

SFO10:25 amSan Francisco

4h 58m

1 stop

HLN4:23 pmHelena

$353

Alaska Airlines

Feb 5

HLN5:00 pmHelena

6h 15m

1 stop

SMF10:15 pmSacramento Intl

Feb 9

SMF1:03 pmSacramento Intl

26h 20m

1 stop

HLN4:23 pmHelena

$358

Alaska Airlines

Jan 13

HLN5:00 pmHelena

6h 15m

1 stop

SMF10:15 pmSacramento Intl

Jan 26

SMF5:00 pmSacramento Intl

22h 23m

1 stop

HLN4:23 pmHelena

$363

United Airlines flights from Helena to California

Our best United Airlines deals on Helena to California flight tickets

United Airlines

Jan 20

HLN6:15 amHelena

8h 02m

1 stop

CLD1:17 pmSan Diego Carlsbad-Palomar

Jan 25

CLD1:14 pmSan Diego Carlsbad-Palomar

7h 18m

1 stop

HLN9:32 pmHelena

$469

United Airlines

Oct 26

HLN2:23 pmHelena

7h 50m

1 stop

FAT9:13 pmFresno Airterminal

Oct 30

FAT5:00 amFresno Airterminal

7h 40m

1 stop

HLN1:40 pmHelena

$494

United Airlines

Oct 27

HLN2:23 pmHelena

7h 50m

1 stop

FAT9:13 pmFresno Airterminal

Oct 31

FAT5:00 amFresno Airterminal

7h 40m

1 stop

HLN1:40 pmHelena

$523

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaLos Angeles

HLN Helena - LAX Los Angeles

HLNLAX

Helena

Sat 1/30

5:00 pm-9:23 pm

1 stop5h 23m

Los Angeles

Wed 2/3

6:00 am-4:23 pm

1 stop9h 23m

$313

Quickest round-trip

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-10:56 pm

1 stop6h 56m

San Francisco

Tue 2/2

10:25 am-4:23 pm

1 stop4h 58m

$325

HelenaOakland

HLN Helena - OAK Oakland

HLNOAK

Helena

Sat 12/5

4:49 pm-10:50 pm

1 stop7h 01m

Oakland

Tue 12/8

7:56 pm-4:12 pm

1 stop19h 16m

$325

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Wed 1/13

5:45 am-12:24 pm

2 stops7h 39m

Sacramento Intl

Tue 1/26

1:00 pm-12:24 pm

2 stops22h 24m

$343

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Tue 1/19

12:50 pm-9:52 pm

2 stops10h 02m

Sacramento Intl

Tue 1/26

1:00 pm-12:24 pm

2 stops22h 24m

$343

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Sat 1/16

5:45 am-9:52 pm

2 stops17h 07m

Sacramento Intl

Fri 1/22

6:30 pm-12:24 pm

2 stops16h 54m

$343

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Tue 1/19

12:50 pm-9:52 pm

2 stops10h 02m

Sacramento Intl

Mon 1/25

11:10 am-12:24 pm

2 stops24h 14m

$343

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Wed 1/13

12:50 pm-9:52 pm

2 stops10h 02m

Sacramento Intl

Mon 1/25

6:30 pm-12:24 pm

2 stops16h 54m

$343

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Tue 1/19

12:50 pm-9:52 pm

2 stops10h 02m

Sacramento Intl

Fri 1/22

6:30 pm-12:24 pm

2 stops16h 54m

$343

HelenaSacramento

HLN Helena - SMF Sacramento Intl

HLNSMF

Helena

Wed 1/13

12:50 pm-9:52 pm

2 stops10h 02m

Sacramento Intl

Fri 1/22

6:30 pm-12:24 pm

2 stops16h 54m

$343

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 Helena to California

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

What is the cheapest month to fly to California?

The month of January is another great option to travel to California, with average flight prices from Helena averaging around $375.

Can stopping save me money on Helena to California flights?

You could potentially save up to 44% on your flight if you consider stops on a Helena to California flight.

Cheap Helena to California flight deals and tips

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

Best Price Found	$202
Fastest flight time	4h 11m
Direct flights	None

The best one-way flight to California from Helena in the past 72 hours is $202. The best round-trip flight deal from Helena to California found on momondo in the last 72 hours is $313.

The fastest flight from Helena to California takes 4h 11m

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

Search flight deals

Frequently asked questions about flying from Helena to California

When did momondo last update prices for flights from Helena Airport to California?
Prices for flights from Helena Airport to California refresh daily.
How many operators does momondo search for flights from Helena Airport to California?
As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to California.
How old do you have to be to fly from Helena Airport to California?
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 Helena Airport to California.
What documentation or ID do you need to fly to California?
The necessary travel and health documents for your California trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Helena to California

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $238	Free Cancellation	Rating 7.8 8,649 reviews		Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to California. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to California from Helena with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to California from Helena.

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

Yes. momondo can track prices for Helena to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.