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

Alaska Airlines, Delta, and Hawaiian 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 16m 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 29m.

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 34% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 9 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 July 2025, 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.

$118 Cheap Flights from California to Helena in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from California to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

8:00 am - 3:21 pmSFO-HLN

6h 21m1 stop

4:02 pm - 9:20 pmHLN-SFO

6h 18m1 stop

$236Alaska Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

11:00 am - 5:41 pmSMF-HLN

5h 41m1 stop

6:13 pm - 11:44 pmHLN-SMF

6h 31m1 stop

$274Hawaiian Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

4:58 pm - 10:13 pmBUR-HLN

4h 15m1 stop

5:50 am - 8:56 amHLN-BUR

4h 06m1 stop

$279Delta

Find Deal

Sat, Aug 16 - Sat, Aug 23

9:34 am - 5:41 pmSFO-HLN

7h 07m1 stop

6:18 pm - 9:16 amHLN-SFO

15h 58m1 stop

$289Alaska Airlines

Find Deal

Wed, Oct 8 - Sun, Oct 12

5:45 am - 12:20 pmSJC-HLN

5h 35m1 stop

5:50 am - 8:59 amHLN-SJC

4h 09m1 stop

$291Delta

Find Deal

Sat, Aug 9 - Thu, Aug 14

5:30 am - 12:20 pmSFO-HLN

5h 50m1 stop

1:00 pm - 11:29 pmHLN-SFO

11h 29m2 stops

$295Delta

Find Deal

Wed, Sep 24 - Sat, Sep 27

2:38 pm - 9:15 pmLAX-HLN

5h 37m1 stop

6:30 am - 12:58 pmHLN-LAX

7h 28m1 stop

$307United Airlines

Find Deal

Sat, Aug 16 - Sat, Aug 23

5:15 am - 1:30 pmSMF-HLN

7h 15m1 stop

5:20 pm - 10:30 pmHLN-SMF

6h 10m1 stop

$372United Airlines

Find Deal

Thu, Sep 4 - Mon, Sep 8

8:00 am - 3:21 pmSFO-HLN

6h 21m1 stop

4:02 pm - 9:20 pmHLN-SFO

6h 18m1 stop

$462

Find Deal

Sun, Aug 31 - Sun, Sep 7

2:38 pm - 9:15 pmLAX-HLN

5h 37m1 stop

4:02 pm - 10:48 pmHLN-LAX

7h 46m1 stop

$592

Find Deal

Sat, Aug 16 - Sat, Aug 23

Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets

Alaska Airlines

Sep 16

SFO8:00 amSan Francisco

6h 21m

1 stop

HLN3:21 pmHelena

Sep 23

HLN4:02 pmHelena

6h 18m

1 stop

SFO9:20 pmSan Francisco

$236

Find similar

Alaska Airlines

Oct 8

SFO9:34 amSan Francisco

7h 07m

1 stop

HLN5:41 pmHelena

Oct 12

HLN6:18 pmHelena

15h 58m

1 stop

SFO9:16 amSan Francisco

$289

Find similar

Alaska Airlines

Sep 16

SFO6:00 amSan Francisco

8h 21m

2 stops

HLN3:21 pmHelena

Sep 23

HLN4:02 pmHelena

6h 18m

1 stop

SFO9:20 pmSan Francisco

$296

Find similar

Hawaiian Airlines flights from California to Helena

Our best Hawaiian Airlines deals on California to Helena flight tickets

Hawaiian Airlines

Oct 23

SMF11:00 amSacramento Intl

5h 41m

1 stop

HLN5:41 pmHelena

Oct 27

HLN6:13 pmHelena

6h 31m

1 stop

SMF11:44 pmSacramento Intl

$274

Find similar

Hawaiian Airlines

Aug 15

LAX8:00 amLos Angeles

6h 31m

1 stop

HLN3:31 pmHelena

Aug 19

HLN4:08 pmHelena

5h 38m

1 stop

LAX8:46 pmLos Angeles

$457

Find similar

Hawaiian Airlines

Jul 29

LAX8:00 amLos Angeles

6h 31m

1 stop

HLN3:31 pmHelena

Aug 5

HLN4:08 pmHelena

7h 38m

1 stop

LAX10:46 pmLos Angeles

$620

Find similar

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 day to depart on your flight to Helena?

The cheapest day to depart from California to Helena is on a Friday. Travelers who choose to depart for Helena on a Friday will often find tickets for as low as $431. The most expensive day to fly to Helena is Wednesday, with ticket prices averaging around $497.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from California to Helena in the afternoon for as low as $393. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is at noon when prices are around $611.

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	$118
Fastest flight time	3h 56m
Direct flights	None
Airports in Helena	1 airport

The best one-way flight to Helena from California in the past 72 hours is $118. The best round-trip flight deal from California to Helena found on momondo in the last 72 hours is $236.

The fastest flight from California to Helena takes 3h 56m

There are no direct flights from California to Helena. Popular non-direct routes for this connection are San Francisco Airport - Helena Airport, San Jose Airport - Helena Airport and Ontario Airport - Helena Airport.

There is 1 airport near Helena: Helena (HLN)

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 July 2025, 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 $205	Free Cancellation	Rating 8.0 7,959 reviews	Search Delta flights
Alaska Airlines	PriceFrom $239	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $297	Free Cancellation	Rating 7.4 8,864 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.

An easier way to manage your Helena trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 7/22

Tue 7/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from California to Helena from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Helena departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from California to Helena

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets

Hawaiian Airlines flights from California to Helena

Our best Hawaiian Airlines deals on California to Helena flight tickets

See travel insights to Helena from

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

What is the cheapest day to depart on your flight to Helena?

The cheapest day to depart from California to Helena is on a Friday. Travelers who choose to depart for Helena on a Friday will often find tickets for as low as $431. The most expensive day to fly to Helena is Wednesday, with ticket prices averaging around $497.

What is the cheapest time of day to depart on your flight to Helena?

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

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

What airlines fly to Helena?

How long does it take to fly to Helena?

On average, it takes 2h 16m 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 29m.

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

Fastest flight time

Direct flights

Airports in Helena

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

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

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

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

Best airlines flying from California to Helena

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

Why use momondo?

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

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

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

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

An easier way to manage your Helena trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Montana