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 8 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

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

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.

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 August 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.

$187 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.

8:53 pm - 4:41 pmSFO San Francisco-HLN Helena

18h 48m1 stop Seattle/Tacoma Intl

5:18 pm - 9:39 pmHLN Helena-SFO San Francisco

5h 21m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Mon, Sep 21 - Tue, Sep 29

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

$355Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

8:03 am - 4:41 pmSMF Sacramento Intl-HLN Helena

7h 38m1 stop Seattle/Tacoma Intl

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

5h 18m1 stop Seattle/Tacoma Intl

$355Alaska Airlines

Sat, Sep 26 - Sat, Oct 3

7:53 pm - 4:49 pmOAK Oakland-HLN Helena

19h 56m1 stop Seattle/Tacoma Intl

5:26 pm - 10:55 pmHLN Helena-OAK Oakland

6h 29m1 stop Seattle/Tacoma Intl

$363Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

5:05 pm - 10:41 pmONT Ontario-HLN Helena

4h 36m1 stop Salt Lake City

1:09 pm - 4:13 pmHLN Helena-ONT Ontario

4h 04m1 stop Salt Lake City

$371Delta

Sat, Dec 19 - Wed, Dec 30

7:15 am - 12:17 pmLAX Los Angeles-HLN Helena

4h 02m1 stop Salt Lake City

7:15 am - 10:29 amHLN Helena-LAX Los Angeles

4h 14m1 stop Salt Lake City

$383Delta

Sat, Sep 19 - Tue, Sep 22

5:00 am - 1:27 pmONT Ontario-HLN Helena

7h 27m1 stop Denver Intl

2:30 pm - 8:20 pmHLN Helena-ONT Ontario

6h 50m1 stop Denver Intl

$409United Airlines

Sat, Jan 9 - Tue, Jan 12

7:15 am - 12:28 pmLAX Los Angeles-HLN Helena

4h 13m1 stop Salt Lake City

1:08 pm - 6:12 pmHLN Helena-LAX Los Angeles

6h 04m1 stop Salt Lake City

$409Delta

Wed, Oct 7 - Fri, Oct 9

12:44 pm - 9:30 pmBUR Burbank Bob Hope-HLN Helena

7h 46m1 stop Denver Intl

2:35 pm - 8:52 pmHLN Helena-BUR Burbank Bob Hope

7h 17m1 stop Denver Intl

$585United Airlines

Sat, Aug 29 - Tue, Sep 1

5:00 am - 1:45 pmLAX Los Angeles-HLN Helena

7h 45m1 stop Denver Intl

6:15 am - 11:37 amHLN Helena-LAX Los Angeles

6h 22m1 stop Denver Intl

$589United Airlines

Fri, Sep 18 - Sun, Sep 20

Cheap last minute flights

Enter your travel dates to find the best prices.

1:18 pm - 9:20 pmONT Ontario-HLN Helena

7h 02m1 stop Denver Intl

2:20 pm - 8:42 pmHLN Helena-ONT Ontario

7h 22m1 stop Denver Intl

$808United Airlines

Thu, Aug 6 - Sun, Aug 9

10:40 pm - 9:20 pmSFO San Francisco-HLN Helena

21h 40m2 stops Redding Denver Intl

6:15 am - 11:23 amHLN Helena-SFO San Francisco

6h 08m1 stop Denver Intl

$951United Airlines

Thu, Aug 6 - Tue, Aug 11

10:40 pm - 9:20 pmSFO San Francisco-HLN Helena

21h 40m2 stops Redding Denver Intl

6:15 am - 9:19 amHLN Helena-SFO San Francisco

28h 04m2 stops Denver Intl San Diego Carlsbad-Palomar

$952United Airlines

Thu, Aug 6 - Tue, Aug 11

1:00 pm - 9:20 pmSMF Sacramento Intl-HLN Helena

7h 20m1 stop Denver Intl

2:35 pm - 9:00 pmHLN Helena-SMF Sacramento Intl

7h 25m1 stop Denver Intl

$955United Airlines

Sat, Aug 8 - Thu, Aug 13

5:08 pm - 10:30 pmSFO San Francisco-HLN Helena

4h 22m1 stop Salt Lake City

12:55 pm - 4:13 pmHLN Helena-SFO San Francisco

4h 18m1 stop Salt Lake City

$987Delta

Fri, Aug 7 - Tue, Aug 11

12:33 pm - 10:30 pmOAK Oakland-HLN Helena

8h 57m1 stop Salt Lake City

12:55 pm - 11:56 pmHLN Helena-OAK Oakland

12h 01m1 stop Salt Lake City

$992Delta

Fri, Aug 7 - Tue, Aug 11

5:00 pm - 12:15 pmOAK Oakland-HLN Helena

18h 15m1 stop Salt Lake City

5:40 am - 11:56 pmHLN Helena-OAK Oakland

19h 16m1 stop Salt Lake City

$992Delta

Thu, Aug 6 - Tue, Aug 11

5:26 pm - 4:32 pmONT Ontario-HLN Helena

22h 06m1 stop Seattle/Tacoma Intl

5:09 pm - 11:14 amHLN Helena-ONT Ontario

19h 05m1 stop Seattle/Tacoma Intl

$1,128Alaska Airlines

Fri, Aug 7 - Sun, Aug 16

12:04 pm - 4:32 pmONT Ontario-HLN Helena

27h 28m1 stop Seattle/Tacoma Intl

5:09 pm - 6:03 pmHLN Helena-ONT Ontario

25h 54m2 stops Seattle/Tacoma Intl Santa Rosa Sonoma County

$1,133Alaska Airlines

Fri, Aug 7 - Sun, Aug 16

10:22 am - 4:32 pmOAK Oakland-HLN Helena

5h 10m1 stop Seattle/Tacoma Intl

5:09 pm - 11:21 amHLN Helena-OAK Oakland

19h 12m2 stops Seattle/Tacoma Intl Portland

$1,143Alaska Airlines

Thu, Aug 6 - Tue, Aug 11

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Delta flights from California to Helena

Our best Delta deals on California to Helena flight tickets

Delta

Sep 19

LAX7:15 amLos Angeles

4h 02m

1 stop

HLN12:17 pmHelena

Sep 22

HLN7:15 amHelena

4h 14m

1 stop

LAX10:29 amLos Angeles

$383

Delta

Sep 21

SFO2:30 pmSan Francisco

6h 54m

2 stops

HLN10:24 pmHelena

Sep 29

HLN12:57 pmHelena

10h 24m

2 stops

SFO10:21 pmSan Francisco

$418

Delta

Sep 2

SMF5:30 amSacramento Intl

5h 45m

1 stop

HLN12:15 pmHelena

Sep 5

HLN6:50 amHelena

6h 28m

1 stop

SMF12:18 pmSacramento Intl

$419

Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets

Alaska Airlines

Sep 21

SFO8:53 pmSan Francisco

18h 48m

1 stop

HLN4:41 pmHelena

Sep 29

HLN5:18 pmHelena

5h 21m

1 stop

SFO9:39 pmSan Francisco

$353

Alaska Airlines

Sep 26

SMF6:00 amSacramento Intl

9h 41m

1 stop

HLN4:41 pmHelena

Oct 3

HLN5:26 pmHelena

5h 18m

1 stop

SMF9:44 pmSacramento Intl

$355

Alaska Airlines

Oct 28

OAK12:20 pmOakland

27h 29m

1 stop

HLN4:49 pmHelena

Oct 31

HLN5:26 pmHelena

6h 29m

1 stop

OAK10:55 pmOakland

$363

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHelena

SFO San Francisco - HLN Helena

SFOHLN

San Francisco

Mon 9/21

8:53 pm-4:41 pm

1 stop18h 48m

Helena

Tue 9/29

5:18 pm-9:39 pm

1 stop5h 21m

$353

SacramentoHelena

SMF Sacramento Intl - HLN Helena

SMFHLN

Sacramento Intl

Sat 9/26

6:00 am-4:41 pm

1 stop9h 41m

Helena

Sat 10/3

5:26 pm-9:44 pm

1 stop5h 18m

$355

SacramentoHelena

SMF Sacramento Intl - HLN Helena

SMFHLN

Sacramento Intl

Sat 9/26

8:03 am-4:41 pm

1 stop7h 38m

Helena

Sat 10/3

5:26 pm-9:44 pm

1 stop5h 18m

$355

OaklandHelena

OAK Oakland - HLN Helena

OAKHLN

Oakland

Wed 10/28

7:53 pm-4:49 pm

1 stop19h 56m

Helena

Sat 10/31

5:26 pm-10:55 pm

1 stop6h 29m

$363

OntarioHelena

ONT Ontario - HLN Helena

ONTHLN

Ontario

Sat 12/19

5:05 pm-10:41 pm

1 stop4h 36m

Helena

Wed 12/30

1:09 pm-4:13 pm

1 stop4h 04m

$371

Quickest round-trip

Los AngelesHelena

LAX Los Angeles - HLN Helena

LAXHLN

Los Angeles

Sat 9/19

7:15 am-12:17 pm

1 stop4h 02m

Helena

Tue 9/22

7:15 am-10:29 am

1 stop4h 14m

$383

OntarioHelena

ONT Ontario - HLN Helena

ONTHLN

Ontario

Sat 1/9

5:00 am-1:27 pm

1 stop7h 27m

Helena

Tue 1/12

2:30 pm-8:20 pm

1 stop6h 50m

$409

Los AngelesHelena

LAX Los Angeles - HLN Helena

LAXHLN

Los Angeles

Wed 10/7

7:15 am-12:28 pm

1 stop4h 13m

Helena

Fri 10/9

1:08 pm-6:12 pm

1 stop6h 04m

$409

BurbankHelena

BUR Burbank Bob Hope - HLN Helena

BURHLN

Burbank Bob Hope

Sat 8/29

12:44 pm-9:30 pm

1 stop7h 46m

Helena

Tue 9/1

2:35 pm-8:52 pm

1 stop7h 17m

$585

Los AngelesHelena

LAX Los Angeles - HLN Helena

LAXHLN

Los Angeles

Fri 9/18

5:00 am-1:45 pm

1 stop7h 45m

Helena

Sun 9/20

6:15 am-11:37 am

1 stop6h 22m

$589

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

Fastest flight time	4h 02m
Direct flights	None

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 August 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 $169	Free Cancellation	Rating 7.8 8,492 reviews	Search Delta flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 10,072 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $328	Free Cancellation	Rating 7.9 12,771 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.