What airlines fly to California?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to California from Helena according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

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

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?

As of December 2025, there are 3 operators available to choose from 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.

$119 Cheap Flights from Helena to California in 2025/26

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Find the cheapest flights from Helena to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:48 pm - 11:56 pm

HLN

MFR

6h 08m1 stop

5:35 pm - 6:11 pm

MFR

HLN

23h 36m1 stop

$234Alaska Airlines

Sat, Jan 31 - Wed, Feb 4

6:48 pm - 11:56 pm

HLN

MFR

6h 08m1 stop

5:35 pm - 6:11 pm

MFR

HLN

23h 36m1 stop

$254Alaska Airlines

Sat, Jan 31 - Wed, Feb 4

4:36 pm - 11:55 pm

HLN

LAS

8h 19m1 stop

6:00 am - 3:59 pm

LAS

HLN

8h 59m1 stop

$258Alaska Airlines

Mon, Feb 16 - Fri, Feb 20

2:27 pm - 8:32 pm

HLN

LAS

7h 05m1 stop

3:33 pm - 9:26 pm

LAS

HLN

4h 53m1 stop

$259United Airlines

Tue, Jan 13 - Sat, Jan 17

1:10 pm - 10:35 pm

HLN

LAS

10h 25m2 stops

6:50 pm - 12:27 pm

LAS

HLN

16h 37m2 stops

$264Delta

Tue, Jan 20 - Fri, Jan 23

1:10 pm - 9:55 am

HLN

LAS

21h 45m2 stops

5:40 pm - 12:27 pm

LAS

HLN

17h 47m2 stops

$274Delta

Tue, Jan 13 - Sat, Jan 17

5:30 am - 8:26 am

HLN

LAS

3h 56m1 stop

6:00 am - 12:27 pm

LAS

HLN

5h 27m1 stop

$289Delta

Sun, Jan 18 - Wed, Jan 21

5:30 am - 9:05 am

HLN

BUR

4h 35m1 stop

7:05 am - 12:25 pm

BUR

HLN

4h 20m1 stop

$293Delta

Sun, Feb 8 - Sat, Feb 14

6:15 am - 11:31 am

HLN

LAX

6h 16m1 stop

5:05 am - 1:40 pm

LAX

HLN

7h 35m1 stop

$359United Airlines

Sat, Feb 14 - Wed, Feb 18

6:15 am - 1:11 pm

HLN

SNA

7h 56m1 stop

7:00 am - 1:41 pm

SNA

HLN

5h 41m1 stop

$458United Airlines

Sat, Jan 10 - Wed, Jan 14

Alaska Airlines flights from Helena to California

Our best Alaska Airlines deals on Helena to California flight tickets

Alaska Airlines

Jan 31

HLN6:48 pmHelena

6h 08m

1 stop

MFR11:56 pmMedford

Feb 4

MFR5:35 pmMedford

23h 36m

1 stop

HLN6:11 pmHelena

$234

Find similar

Alaska Airlines

Jan 31

HLN6:48 pmHelena

6h 08m

1 stop

MFR11:56 pmMedford

Feb 4

MFR5:35 pmMedford

23h 36m

1 stop

HLN6:11 pmHelena

$254

Find similar

Alaska Airlines

Feb 16

HLN4:36 pmHelena

8h 19m

1 stop

LAS11:55 pmLas Vegas Harry Reid Intl

Feb 20

LAS6:00 amLas Vegas Harry Reid Intl

8h 59m

1 stop

HLN3:59 pmHelena

$258

Find similar

Delta flights from Helena to California

Our best Delta deals on Helena to California flight tickets

Delta

Feb 8

HLN5:30 amHelena

4h 35m

1 stop

BUR9:05 amBurbank Bob Hope

Feb 14

BUR7:05 amBurbank Bob Hope

4h 20m

1 stop

HLN12:25 pmHelena

$293

Find similar

Delta

Feb 5

HLN5:30 amHelena

4h 35m

1 stop

BUR9:05 amBurbank Bob Hope

Feb 9

BUR7:05 amBurbank Bob Hope

4h 22m

1 stop

HLN12:27 pmHelena

$309

Find similar

Delta

Feb 13

HLN1:10 pmHelena

5h 30m

1 stop

LAS5:40 pmLas Vegas Harry Reid Intl

Feb 18

LAS6:10 amLas Vegas Harry Reid Intl

5h 15m

1 stop

HLN12:25 pmHelena

$337

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 1/31

6:48 pm-11:56 pm

1 stop6h 08m

Medford

Wed 2/4

5:35 pm-6:11 pm

1 stop23h 36m

$234

HelenaMedford

HLN - MFR

HLNMFR

Helena

Sat 1/31

6:48 pm-11:56 pm

1 stop6h 08m

Medford

Wed 2/4

5:35 pm-6:11 pm

1 stop23h 36m

$254

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Mon 2/16

4:36 pm-11:55 pm

1 stop8h 19m

Las Vegas Harry Reid Intl

Fri 2/20

6:00 am-3:59 pm

1 stop8h 59m

$258

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 1/13

2:27 pm-8:32 pm

1 stop7h 05m

Las Vegas Harry Reid Intl

Sat 1/17

3:33 pm-9:26 pm

1 stop4h 53m

$259

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 1/20

1:10 pm-10:35 pm

2 stops10h 25m

Las Vegas Harry Reid Intl

Fri 1/23

6:50 pm-12:27 pm

2 stops16h 37m

$264

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Tue 1/13

1:10 pm-9:55 am

2 stops21h 45m

Las Vegas Harry Reid Intl

Sat 1/17

5:40 pm-12:27 pm

2 stops17h 47m

$274

HelenaLas Vegas

HLN - LAS

HLNLAS

Helena

Sun 1/18

5:30 am-8:26 am

1 stop3h 56m

Las Vegas Harry Reid Intl

Wed 1/21

6:00 am-12:27 pm

1 stop5h 27m

$289

HelenaBurbank

HLN - BUR

HLNBUR

Helena

Sun 2/8

5:30 am-9:05 am

1 stop4h 35m

Burbank Bob Hope

Sat 2/14

7:05 am-12:25 pm

1 stop4h 20m

$293

HelenaLos Angeles

HLN - LAX

HLNLAX

Helena

Sat 2/14

6:15 am-11:31 am

1 stop6h 16m

Los Angeles

Wed 2/18

5:05 am-1:40 pm

1 stop7h 35m

$359

HelenaSanta Ana

HLN - SNA

HLNSNA

Helena

Sat 1/10

6:15 am-1:11 pm

1 stop7h 56m

Santa Ana J. Wayne/Orange Cnty

Wed 1/14

7:00 am-1:41 pm

1 stop5h 41m

$458

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 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

Prices

Airlines

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

Fastest flight time	3h 43m
Direct flights	None

The fastest flight from Helena to California takes 3h 43m

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?
As of December 2025, there are 3 operators available to choose from 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
Delta	PriceFrom $227	Free Cancellation	Rating 7.9 8,014 reviews		Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,106 reviews		Search United Airlines flights

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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.