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Cheap flights from Helena to California from $166

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 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Helena to California

Cheap round-trip flights

Hawaiian Airlines Logo
6:18 pm - 10:29 pmHLN-SFO
5h 11m1 stop
Hawaiian Airlines Logo
11:40 am - 5:36 pmSFO-HLN
4h 56m1 stop
$256Hawaiian Airlines
Find Deal
sáb., oct. 18 - lun., oct. 27
Hawaiian Airlines Logo
6:18 pm - 11:29 pmHLN-LAS
6h 11m1 stop
Hawaiian Airlines Logo
10:11 am - 5:41 pmLAS-HLN
6h 30m1 stop
$282Hawaiian Airlines
Find Deal
lun., oct. 20 - sáb., oct. 25
Alaska Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Alaska Airlines Logo
10:10 am - 5:51 pmLAS-HLN
6h 41m1 stop
$283Alaska Airlines
Find Deal
mié., dic. 3 - jue., dic. 11
Delta Logo
12:50 pm - 11:09 pmHLN-MFR
11h 19m2 stops
Delta Logo
5:55 am - 12:27 pmMFR-HLN
5h 32m1 stop
$292Delta
Find Deal
sáb., feb. 28 - mar., mar. 3
Delta Logo
12:50 pm - 11:09 pmHLN-MFR
11h 19m2 stops
Delta Logo
6:05 am - 10:38 pmMFR-HLN
15h 33m2 stops
$294Delta
Find Deal
sáb., feb. 28 - mar., mar. 3
Alaska Airlines Logo
6:28 pm - 10:53 pmHLN-LAS
5h 25m1 stop
Alaska Airlines Logo
8:00 am - 5:51 pmLAS-HLN
8h 51m1 stop
$300Alaska Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Alaska Airlines Logo
6:13 pm - 9:00 pmHLN-LAS
27h 47m1 stop
Alaska Airlines Logo
8:00 am - 5:36 pmLAS-HLN
8h 36m1 stop
$302Alaska Airlines
Find Deal
mar., oct. 28 - jue., oct. 30
United Airlines Logo
5:18 pm - 10:15 pmHLN-SAN
5h 57m1 stop
United Airlines Logo
9:01 am - 4:40 pmSAN-HLN
6h 39m1 stop
$331United Airlines
Find Deal
mié., oct. 15 - mié., oct. 22
United Airlines Logo
2:30 pm - 9:00 pmHLN-LAS
7h 30m1 stop
United Airlines Logo
5:20 am - 1:47 pmLAS-HLN
7h 27m1 stop
$353United Airlines
Find Deal
mar., dic. 2 - jue., dic. 11
Logo
6:18 pm - 11:54 amHLN-SFO
18h 36m3 stops
Logo
7:00 am - 5:36 pmSFO-HLN
9h 36m2 stops
$838
Find Deal
sáb., oct. 18 - lun., oct. 27

Hawaiian Airlines flights from Helena to California

Our best Hawaiian Airlines deals on Helena to California flight tickets
Hawaiian Airlines
Oct 18
HLN6:18 pmHelena
5h 11m
1 stop
SFO10:29 pmSan Francisco
Oct 27
SFO11:40 amSan Francisco
4h 56m
1 stop
HLN5:36 pmHelena
$256
Find similar
Hawaiian Airlines
Oct 20
HLN6:18 pmHelena
6h 11m
1 stop
LAS11:29 pmLas Vegas Harry Reid Intl
Oct 25
LAS10:11 amLas Vegas Harry Reid Intl
6h 30m
1 stop
HLN5:41 pmHelena
$282
Find similar
Hawaiian Airlines
Feb 28
HLN4:10 pmHelena
8h 59m
1 stop
MFR12:09 amMedford
Mar 3
MFR5:45 amMedford
8h 58m
1 stop
HLN3:43 pmHelena
$333
Find similar

United Airlines flights from Helena to California

Our best United Airlines deals on Helena to California flight tickets
United Airlines
Oct 15
HLN5:18 pmHelena
5h 57m
1 stop
SAN10:15 pmSan Diego
Oct 22
SAN9:01 amSan Diego
6h 39m
1 stop
HLN4:40 pmHelena
$331
Find similar
United Airlines
Dec 2
HLN2:30 pmHelena
7h 30m
1 stop
LAS9:00 pmLas Vegas Harry Reid Intl
Dec 11
LAS5:20 amLas Vegas Harry Reid Intl
7h 27m
1 stop
HLN1:47 pmHelena
$353
Find similar
United Airlines
Feb 9
HLN2:27 pmHelena
5h 35m
1 stop
LAS7:02 pmLas Vegas Harry Reid Intl
Feb 13
LAS1:15 pmLas Vegas Harry Reid Intl
6h 44m
1 stop
HLN8:59 pmHelena
$389
Find similar

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 septiembre 15, 2025.
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 Francisco

HLN - SFO

HLNSFO

Helena

sáb. 10/18

6:18 pm-10:29 pm

1 stop5h 11m

San Francisco

lun. 10/27

11:40 am-5:36 pm

1 stop4h 56m

$256

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

lun. 10/20

6:18 pm-11:29 pm

1 stop6h 11m

Las Vegas Harry Reid Intl

sáb. 10/25

10:11 am-5:41 pm

1 stop6h 30m

$282

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mié. 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

jue. 12/11

10:10 am-5:51 pm

1 stop6h 41m

$283

HelenaMedford

HLN - MFR

HLNMFR

Helena

sáb. 2/28

12:50 pm-11:09 pm

2 stops11h 19m

Medford

mar. 3/3

5:55 am-12:27 pm

1 stop5h 32m

$292

HelenaMedford

HLN - MFR

HLNMFR

Helena

sáb. 2/28

12:50 pm-11:09 pm

2 stops11h 19m

Medford

mar. 3/3

6:05 am-10:38 pm

2 stops15h 33m

$294

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mié. 12/3

6:28 pm-10:53 pm

1 stop5h 25m

Las Vegas Harry Reid Intl

mié. 12/10

8:00 am-5:51 pm

1 stop8h 51m

$300

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mar. 10/28

6:13 pm-9:00 pm

1 stop27h 47m

Las Vegas Harry Reid Intl

jue. 10/30

8:00 am-5:36 pm

1 stop8h 36m

$302

HelenaSan Diego

HLN - SAN

HLNSAN

Helena

mié. 10/15

5:18 pm-10:15 pm

1 stop5h 57m

San Diego

mié. 10/22

9:01 am-4:40 pm

1 stop6h 39m

$331

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

mar. 12/2

2:30 pm-9:00 pm

1 stop7h 30m

Las Vegas Harry Reid Intl

jue. 12/11

5:20 am-1:47 pm

1 stop7h 27m

$353

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

sáb. 10/18

6:18 pm-11:54 am

3 stops18h 36m

San Francisco

lun. 10/27

7:00 am-5:36 pm

2 stops9h 36m

$838

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.

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

The cheapest day to depart from Helena to California is on a Saturday. Travelers who choose to depart for California on a Saturday will often find tickets for as low as $338. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to California on Thursday is $760.

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

The cheapest time of day to fly to California is in the afternoon when flights can be purchased for as low as $437. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $511 on average. Flights to California from Helena at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Helena to California flight deals and tips

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

Direct flights

None
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 $227Free CancellationRating
7.9
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,929 reviews
Search United Airlines 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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1 adult
mié. 10/15
mié. 10/22
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