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Cheap flights from Helena to San Francisco from $300

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 San Francisco departing on 4/9. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Helena to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 8:43 am
HLN
-
SMF
4h 13m
1 stop
Delta Logo
5:14 pm - 10:30 pm
SMF
-
HLN
4h 16m
1 stop
$339Delta
Fri, Apr 10 - Tue, Apr 14
Alaska Airlines Logo
6:22 pm - 10:08 pm
HLN
-
SMF
4h 46m
1 stop
Alaska Airlines Logo
5:04 pm - 5:45 pm
SMF
-
HLN
23h 41m
1 stop
$351Alaska Airlines
Tue, May 5 - Sat, May 9
Alaska Airlines Logo
6:22 pm - 10:08 pm
HLN
-
SMF
4h 46m
1 stop
Alaska Airlines Logo
7:51 pm - 5:45 pm
SMF
-
HLN
20h 54m
1 stop
$356Alaska Airlines
Thu, May 7 - Mon, May 11
Delta Logo
5:40 am - 9:03 am
HLN
-
SMF
4h 23m
1 stop
Delta Logo
5:30 am - 12:24 pm
SMF
-
HLN
5h 54m
1 stop
$369Delta
Wed, Apr 15 - Sun, Apr 19
Alaska Airlines Logo
6:22 pm - 9:46 pm
HLN
-
SMF
4h 24m
1 stop
Alaska Airlines Logo
6:00 am - 5:45 pm
SMF
-
HLN
10h 45m
1 stop
$374Alaska Airlines
Wed, Apr 15 - Sun, Apr 19
Delta Logo
1:04 pm - 4:23 pm
HLN
-
SMF
4h 19m
1 stop
Delta Logo
5:30 am - 12:24 pm
SMF
-
HLN
5h 54m
1 stop
$379Delta
Wed, Apr 15 - Sun, Apr 19
Alaska Airlines Logo
6:22 pm - 7:30 am
HLN
-
SMF
14h 08m
2 stops
Alaska Airlines Logo
7:51 pm - 5:45 pm
SMF
-
HLN
20h 54m
1 stop
$395Alaska Airlines
Tue, May 5 - Sat, May 9
Alaska Airlines Logo
6:22 pm - 10:08 pm
HLN
-
SMF
4h 46m
1 stop
Alaska Airlines Logo
2:55 pm - 5:45 pm
SMF
-
HLN
25h 50m
2 stops
$411Alaska Airlines
Thu, May 7 - Mon, May 11
United Airlines Logo
2:25 pm - 8:56 pm
HLN
-
SMF
7h 31m
1 stop
United Airlines Logo
5:00 am - 1:39 pm
SMF
-
HLN
7h 39m
1 stop
$414United Airlines
Thu, Apr 16 - Sun, Apr 19
Alaska Airlines Logo
6:22 pm - 11:56 pm
HLN
-
SMF
6h 34m
1 stop
Alaska Airlines Logo
8:00 am - 5:45 pm
SMF
-
HLN
8h 45m
1 stop
$416Alaska Airlines
Thu, Apr 30 - Sun, May 3

Delta flights from Helena to Sacramento

Our best Delta deals on Helena to Sacramento flight tickets
Delta
Apr 10
HLN5:30 amHelena
4h 13m
1 stop
SMF8:43 amSacramento Intl
Apr 14
SMF5:14 pmSacramento Intl
4h 16m
1 stop
HLN10:30 pmHelena
$339
Delta
Apr 15
HLN5:40 amHelena
4h 23m
1 stop
SMF9:03 amSacramento Intl
Apr 19
SMF5:30 amSacramento Intl
5h 54m
1 stop
HLN12:24 pmHelena
$369
Delta
Apr 15
HLN1:04 pmHelena
4h 19m
1 stop
SMF4:23 pmSacramento Intl
Apr 19
SMF5:30 amSacramento Intl
5h 54m
1 stop
HLN12:24 pmHelena
$379

United Airlines flights from Helena to Sacramento

Our best United Airlines deals on Helena to Sacramento flight tickets
United Airlines
Apr 16
HLN2:25 pmHelena
7h 31m
1 stop
SMF8:56 pmSacramento Intl
Apr 19
SMF5:00 amSacramento Intl
7h 39m
1 stop
HLN1:39 pmHelena
$414
United Airlines
Apr 16
HLN2:25 pmHelena
7h 31m
1 stop
SMF8:56 pmSacramento Intl
Apr 19
SMF5:00 amSacramento Intl
7h 39m
1 stop
HLN1:39 pmHelena
$419
United Airlines
Apr 15
HLN2:25 pmHelena
7h 31m
1 stop
SMF8:56 pmSacramento Intl
Apr 19
SMF1:55 pmSacramento Intl
22h 44m
2 stops
HLN1:39 pmHelena
$617

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Sacramento 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 March 31, 2026.
Use the filters below to find and compare flights from Helena to Sacramento that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Fri 4/10

5:30 am-8:43 am

1 stop4h 13m

Sacramento Intl

Tue 4/14

5:14 pm-10:30 pm

1 stop4h 16m

$339

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 5/5

6:22 pm-10:08 pm

1 stop4h 46m

Sacramento Intl

Sat 5/9

5:04 pm-5:45 pm

1 stop23h 41m

$351

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 5/7

6:22 pm-10:08 pm

1 stop4h 46m

Sacramento Intl

Mon 5/11

7:51 pm-5:45 pm

1 stop20h 54m

$356

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Wed 4/15

5:40 am-9:03 am

1 stop4h 23m

Sacramento Intl

Sun 4/19

5:30 am-12:24 pm

1 stop5h 54m

$369

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Wed 4/15

6:22 pm-9:46 pm

1 stop4h 24m

Sacramento Intl

Sun 4/19

6:00 am-5:45 pm

1 stop10h 45m

$374

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Wed 4/15

1:04 pm-4:23 pm

1 stop4h 19m

Sacramento Intl

Sun 4/19

5:30 am-12:24 pm

1 stop5h 54m

$379

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 5/5

6:22 pm-7:30 am

2 stops14h 08m

Sacramento Intl

Sat 5/9

7:51 pm-5:45 pm

1 stop20h 54m

$395

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 5/7

6:22 pm-10:08 pm

1 stop4h 46m

Sacramento Intl

Mon 5/11

2:55 pm-5:45 pm

2 stops25h 50m

$411

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 4/16

2:25 pm-8:56 pm

1 stop7h 31m

Sacramento Intl

Sun 4/19

5:00 am-1:39 pm

1 stop7h 39m

$414

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Thu 4/30

6:22 pm-11:56 pm

1 stop6h 34m

Sacramento Intl

Sun 5/3

8:00 am-5:45 pm

1 stop8h 45m

$416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Helena to Sacramento

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 airline that flies from Helena to Sacramento Intl?

Alaska Airlines is the most popular carrier operating from Helena to Sacramento Intl

What airlines fly to Sacramento?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Sacramento from Helena according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Sacramento. Keep in mind that there are 5 different airlines that fly to Sacramento on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Sacramento

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Sacramento according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Sacramento (HLN to SMF) flight deals and tips

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

Fastest flight time

4h 19m

Direct flights

None
The fastest flight from Helena to Sacramento takes 4h 19m
There are no direct flights from Helena to Sacramento. There are no popular flight routes from Helena to Sacramento.
Search flight deals

  • How far is Helena to Sacramento Intl by plane?

    Helena and Sacramento Intl are 731.8 mi apart from one another. In terms of flight time, this usually takes a little over 4h 19m.

  • When did momondo last update prices for flights from Helena Airport to Sacramento Intl Airport?

    Prices for flights from Helena Airport to Sacramento Intl Airport refresh daily.

  • How old do you have to be to fly from Helena Airport to Sacramento Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Sacramento Intl Airport.

  • What documentation or ID do you need to fly to Sacramento Intl Airport?

    The travel and health documents you'll need for your trip to Sacramento Intl 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 Sacramento Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Chico
Oroville
Yuba City
Rocklin
Marysville
Auburn
Lincoln
Placerville
Grass Valley
Nevada City
Plymouth
Willows
El Dorado Hills

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sacramento from Helena.

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

Yes. All flights to Sacramento from Helena on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helena to Sacramento.

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

If you are not ready to book a flight from Helena to Sacramento now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sacramento and let you know when they change.

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