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Cheap flights from Helena to California from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to California departing on 4/19. 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 Helena to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 12:57 pm
HLN
-
SAN
7h 42m
1 stop
United Airlines Logo
6:30 am - 1:38 pm
SAN
-
HLN
6h 08m
1 stop
$217United Airlines
수, 3월 11 - 수, 3월 18
United Airlines Logo
2:25 pm - 8:50 pm
HLN
-
ONT
7h 25m
1 stop
United Airlines Logo
5:15 am - 1:38 pm
ONT
-
HLN
7h 23m
1 stop
$217United Airlines
수, 2월 25 - 수, 3월 11
Delta Logo
5:30 am - 1:54 pm
HLN
-
ONT
9h 24m
2 stops
Delta Logo
6:00 am - 12:21 pm
ONT
-
HLN
5h 21m
1 stop
$222Delta
수, 2월 25 - 수, 3월 11
Alaska Airlines Logo
4:36 pm - 11:55 pm
HLN
-
LAS
8h 19m
1 stop
Alaska Airlines Logo
6:00 am - 3:59 pm
LAS
-
HLN
8h 59m
1 stop
$234Alaska Airlines
화, 3월 3 - 목, 3월 5
Alaska Airlines Logo
4:36 pm - 9:49 pm
HLN
-
SAN
6h 13m
1 stop
Alaska Airlines Logo
7:26 pm - 2:59 pm
SAN
-
HLN
18h 33m
1 stop
$237Alaska Airlines
화, 3월 3 - 토, 3월 7
Alaska Airlines Logo
4:36 pm - 10:49 pm
HLN
-
OAK
7h 13m
1 stop
Alaska Airlines Logo
9:54 am - 3:59 pm
OAK
-
HLN
5h 05m
1 stop
$239Alaska Airlines
화, 3월 3 - 수, 3월 4
Delta Logo
1:10 pm - 6:15 pm
HLN
-
LAX
6h 05m
1 stop
Delta Logo
7:21 am - 12:25 pm
LAX
-
HLN
4h 04m
1 stop
$248Delta
화, 2월 24 - 월, 3월 2
United Airlines Logo
2:25 pm - 10:08 pm
HLN
-
SNA
8h 43m
1 stop
United Airlines Logo
7:25 am - 1:40 pm
SNA
-
HLN
5h 15m
1 stop
$263United Airlines
수, 2월 18 - 토, 2월 28
Delta Logo
1:10 pm - 11:12 pm
HLN
-
MFR
11h 02m
2 stops
Delta Logo
5:55 am - 12:25 pm
MFR
-
HLN
5h 30m
1 stop
$276Delta
목, 2월 26 - 토, 2월 28
Delta Logo
1:10 pm - 11:12 pm
HLN
-
MFR
11h 02m
2 stops
Delta Logo
5:55 am - 12:25 pm
MFR
-
HLN
5h 30m
1 stop
$286Delta
목, 2월 26 - 일, 3월 1

United Airlines flights from Helena to California

Our best United Airlines deals on Helena to California flight tickets
United Airlines
Mar 11
HLN6:15 amHelena
7h 42m
1 stop
SAN12:57 pmSan Diego
Mar 18
SAN6:30 amSan Diego
6h 08m
1 stop
HLN1:38 pmHelena
$217
United Airlines
Feb 18
HLN2:25 pmHelena
8h 43m
1 stop
SNA10:08 pmSanta Ana J. Wayne/Orange Cnty
Feb 28
SNA7:25 amSanta Ana J. Wayne/Orange Cnty
5h 15m
1 stop
HLN1:40 pmHelena
$263
United Airlines
May 29
HLN2:20 pmHelena
7h 51m
1 stop
SMF9:11 pmSacramento Intl
Jun 2
SMF5:00 amSacramento Intl
7h 37m
1 stop
HLN1:37 pmHelena
$269

Alaska Airlines flights from Helena to California

Our best Alaska Airlines deals on Helena to California flight tickets
Alaska Airlines
Mar 3
HLN4:36 pmHelena
8h 19m
1 stop
LAS11:55 pmLas Vegas Harry Reid Intl
Mar 5
LAS6:00 amLas Vegas Harry Reid Intl
8h 59m
1 stop
HLN3:59 pmHelena
$234
Alaska Airlines
Mar 3
HLN4:36 pmHelena
6h 13m
1 stop
SAN9:49 pmSan Diego
Mar 7
SAN7:26 pmSan Diego
18h 33m
1 stop
HLN2:59 pmHelena
$237
Alaska Airlines
Mar 3
HLN4:36 pmHelena
7h 13m
1 stop
OAK10:49 pmOakland
Mar 4
OAK9:54 amOakland
5h 05m
1 stop
HLN3:59 pmHelena
$239

momondo Fare Finder

 
Customize your flight search to find flights from Helena to California 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 2월 3, 2026.
Use the filters below to find and compare flights from Helena to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

수 3/11

6:15 am-12:57 pm

1 stop7h 42m

San Diego

수 3/18

6:30 am-1:38 pm

1 stop6h 08m

$217

HelenaOntario

HLN - ONT

HLNONT

Helena

수 2/25

2:25 pm-8:50 pm

1 stop7h 25m

Ontario

수 3/11

5:15 am-1:38 pm

1 stop7h 23m

$217

HelenaOntario

HLN - ONT

HLNONT

Helena

수 2/25

5:30 am-1:54 pm

2 stops9h 24m

Ontario

수 3/11

6:00 am-12:21 pm

1 stop5h 21m

$222

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

화 3/3

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

목 3/5

6:00 am-3:59 pm

1 stop8h 59m

$234

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

화 3/3

4:36 pm-9:49 pm

1 stop6h 13m

San Diego

토 3/7

7:26 pm-2:59 pm

1 stop18h 33m

$237

HelenaOakland

HLN - OAK

HLNOAK

Helena

화 3/3

4:36 pm-10:49 pm

1 stop7h 13m

Oakland

수 3/4

9:54 am-3:59 pm

1 stop5h 05m

$239

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

화 2/24

1:10 pm-6:15 pm

1 stop6h 05m

Los Angeles

월 3/2

7:21 am-12:25 pm

1 stop4h 04m

$248

HelenaSanta Ana

HLN - SNA

HLNSNA

Helena

수 2/18

2:25 pm-10:08 pm

1 stop8h 43m

Santa Ana J. Wayne/Orange Cnty

토 2/28

7:25 am-1:40 pm

1 stop5h 15m

$263

HelenaMedford

HLN - MFR

HLNMFR

Helena

목 2/26

1:10 pm-11:12 pm

2 stops11h 02m

Medford

토 2/28

5:55 am-12:25 pm

1 stop5h 30m

$276

HelenaMedford

HLN - MFR

HLNMFR

Helena

목 2/26

1:10 pm-11:12 pm

2 stops11h 02m

Medford

일 3/1

5:55 am-12:25 pm

1 stop5h 30m

$286

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 California from

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

What is the cheapest month to fly to California?

The month of May is another great option to travel to California, with average flight prices from Helena averaging around $274.

Cheap Helena to California flight deals and tips

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

Fastest flight time

3h 54m

Direct flights

None
The fastest flight from Helena to California takes 3h 54m
There are no direct flights from Helena to California. There are no popular flight routes from Helena to California.
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $138Free CancellationRating
7.9
8,132 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.

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