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Cheap flights from California to Helena from $154

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 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from California to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
12:00 pm - 6:11 pm
SFO
-
HLN
5h 11m1 stop
Alaska Airlines Logo
6:48 pm - 11:03 pm
HLN
-
SFO
5h 15m1 stop
$238Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
Alaska Airlines Logo
7:00 am - 6:11 pm
PSP
-
HLN
10h 11m1 stop
Alaska Airlines Logo
6:48 pm - 11:15 am
HLN
-
PSP
17h 27m1 stop
$264Alaska Airlines
Wed, Jan 28 - Sat, Jan 31
Alaska Airlines Logo
6:15 am - 6:11 pm
SAN
-
HLN
10h 56m1 stop
Alaska Airlines Logo
6:48 pm - 10:07 am
HLN
-
SAN
16h 19m1 stop
$264Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
Alaska Airlines Logo
6:45 am - 6:11 pm
SNA
-
HLN
10h 26m1 stop
Alaska Airlines Logo
6:48 pm - 11:45 am
HLN
-
SNA
17h 57m1 stop
$264Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
United Airlines Logo
7:30 am - 1:41 pm
LAS
-
HLN
5h 11m1 stop
United Airlines Logo
2:25 pm - 8:31 pm
HLN
-
LAS
7h 06m1 stop
$299United Airlines
Tue, Feb 10 - Thu, Feb 12
United Airlines Logo
7:01 am - 1:41 pm
LAX
-
HLN
5h 40m1 stop
United Airlines Logo
2:25 pm - 7:18 pm
HLN
-
LAX
5h 53m1 stop
$299United Airlines
Sun, Feb 8 - Sat, Feb 14
Delta Logo
7:20 am - 12:27 pm
LAX
-
HLN
4h 07m1 stop
Delta Logo
1:10 pm - 6:15 pm
HLN
-
LAX
6h 05m1 stop
$309Delta
Sun, Feb 1 - Fri, Feb 6
United Airlines Logo
5:00 am - 1:41 pm
LAX
-
HLN
7h 41m1 stop
United Airlines Logo
6:15 am - 11:23 am
HLN
-
LAX
6h 08m1 stop
$338United Airlines
Wed, Jan 14 - Fri, Jan 16
Delta Logo
5:15 pm - 10:34 pm
PSP
-
HLN
4h 19m1 stop
Delta Logo
12:50 pm - 4:27 pm
HLN
-
PSP
4h 37m1 stop
$437Delta
Tue, Jun 9 - Tue, Jun 16
Delta Logo
6:00 am - 12:23 pm
PSP
-
HLN
5h 23m1 stop
Delta Logo
12:50 pm - 4:27 pm
HLN
-
PSP
4h 37m1 stop
$442Delta
Tue, Jun 9 - Sat, Jun 13

Alaska Airlines flights from California to Helena

Our best Alaska Airlines deals on California to Helena flight tickets
Alaska Airlines
Jan 28
SFO12:00 pmSan Francisco
5h 11m
1 stop
HLN6:11 pmHelena
Jan 31
HLN6:48 pmHelena
5h 15m
1 stop
SFO11:03 pmSan Francisco
$238
Find similar
Alaska Airlines
Jan 28
PSP7:00 amPalm Springs
10h 11m
1 stop
HLN6:11 pmHelena
Jan 31
HLN6:48 pmHelena
17h 27m
1 stop
PSP11:15 amPalm Springs
$264
Find similar
Alaska Airlines
Jan 14
ONT11:53 amOntario
5h 18m
1 stop
HLN6:11 pmHelena
Jan 16
HLN6:48 pmHelena
26h 48m
1 stop
ONT8:36 pmOntario
$275
Find similar

United Airlines flights from California to Helena

Our best United Airlines deals on California to Helena flight tickets
United Airlines
Feb 10
LAS7:30 amLas Vegas Harry Reid Intl
5h 11m
1 stop
HLN1:41 pmHelena
Feb 12
HLN2:25 pmHelena
7h 06m
1 stop
LAS8:31 pmLas Vegas Harry Reid Intl
$299
Find similar
United Airlines
Jan 14
LAX5:00 amLos Angeles
7h 41m
1 stop
HLN1:41 pmHelena
Jan 16
HLN6:15 amHelena
6h 08m
1 stop
LAX11:23 amLos Angeles
$338
Find similar
United Airlines
Feb 8
ONT5:05 amOntario
7h 36m
1 stop
HLN1:41 pmHelena
Feb 14
HLN2:25 pmHelena
7h 25m
1 stop
ONT8:50 pmOntario
$379
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from California to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Wed 1/28

12:00 pm-6:11 pm

1 stop5h 11m

Helena

Sat 1/31

6:48 pm-11:03 pm

1 stop5h 15m

$238

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Wed 1/28

7:00 am-6:11 pm

1 stop10h 11m

Helena

Sat 1/31

6:48 pm-11:15 am

1 stop17h 27m

$264

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Sat 1/31

6:15 am-6:11 pm

1 stop10h 56m

Helena

Tue 2/3

6:48 pm-10:07 am

1 stop16h 19m

$264

Santa AnaHelena

SNA - HLN

SNAHLN

Santa Ana J. Wayne/Orange Cnty

Sat 1/31

6:45 am-6:11 pm

1 stop10h 26m

Helena

Tue 2/3

6:48 pm-11:45 am

1 stop17h 57m

$264

Las VegasHelena

LAS - HLN

LASHLN

Las Vegas Harry Reid Intl

Tue 2/10

7:30 am-1:41 pm

1 stop5h 11m

Helena

Thu 2/12

2:25 pm-8:31 pm

1 stop7h 06m

$299

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Sun 2/8

7:01 am-1:41 pm

1 stop5h 40m

Helena

Sat 2/14

2:25 pm-7:18 pm

1 stop5h 53m

$299

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Sun 2/1

7:20 am-12:27 pm

1 stop4h 07m

Helena

Fri 2/6

1:10 pm-6:15 pm

1 stop6h 05m

$309

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Wed 1/14

5:00 am-1:41 pm

1 stop7h 41m

Helena

Fri 1/16

6:15 am-11:23 am

1 stop6h 08m

$338

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Tue 6/9

5:15 pm-10:34 pm

1 stop4h 19m

Helena

Tue 6/16

12:50 pm-4:27 pm

1 stop4h 37m

$437

Palm SpringsHelena

PSP - HLN

PSPHLN

Palm Springs

Tue 6/9

6:00 am-12:23 pm

1 stop5h 23m

Helena

Sat 6/13

12:50 pm-4:27 pm

1 stop4h 37m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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.

Can stopping save me money on California to Helena flights?

You could potentially save up to 64% 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

  • 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?

  • 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
DeltaPriceFrom $199Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Alaska AirlinesPriceFrom $239Free CancellationRating
8.0
11,429 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
9,095 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.

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