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Cheap flights from Helena to San Francisco from $151

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 6/19. 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 San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 1:31 pm
HLN
-
SMF
8h 16m
1 stop
United Airlines Logo
5:00 am - 1:40 pm
SMF
-
HLN
7h 40m
1 stop
$348United Airlines
Tue, Feb 24 - Sat, Feb 28
Alaska Airlines Logo
4:43 pm - 9:48 pm
HLN
-
SMF
6h 05m
1 stop
Alaska Airlines Logo
6:29 pm - 4:22 pm
SMF
-
HLN
20h 53m
1 stop
$426Alaska Airlines
Mon, Jun 8 - Mon, Jun 15
United Airlines Logo
2:25 pm - 9:16 pm
HLN
-
SMF
7h 51m
1 stop
United Airlines Logo
5:00 am - 1:40 pm
SMF
-
HLN
7h 40m
1 stop
$438United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
6:15 am - 1:31 pm
HLN
-
SMF
8h 16m
1 stop
United Airlines Logo
7:25 am - 1:40 pm
SMF
-
HLN
29h 15m
2 stops
$443United Airlines
Tue, Feb 24 - Sat, Feb 28
Alaska Airlines Logo
6:22 pm - 6:57 pm
HLN
-
SMF
25h 35m
1 stop
Alaska Airlines Logo
8:07 am - 5:45 pm
SMF
-
HLN
8h 38m
2 stops
$460Alaska Airlines
Fri, Apr 24 - Sun, Apr 26
United Airlines Logo
2:25 pm - 10:32 pm
HLN
-
SMF
33h 07m
2 stops
United Airlines Logo
5:00 am - 1:40 pm
SMF
-
HLN
7h 40m
1 stop
$481United Airlines
Tue, Feb 24 - Sat, Feb 28
Alaska Airlines Logo
6:22 pm - 7:11 pm
HLN
-
SMF
25h 49m
2 stops
Alaska Airlines Logo
8:07 am - 5:45 pm
SMF
-
HLN
8h 38m
2 stops
$482Alaska Airlines
Fri, Apr 24 - Sun, Apr 26
Alaska Airlines Logo
4:36 pm - 12:23 pm
HLN
-
SMF
20h 47m
2 stops
Alaska Airlines Logo
7:04 pm - 3:59 pm
SMF
-
HLN
19h 55m
2 stops
$556Alaska Airlines
Tue, Feb 24 - Sat, Feb 28
Alaska Airlines Logo
4:36 pm - 4:15 pm
HLN
-
SMF
24h 39m
2 stops
Alaska Airlines Logo
3:07 pm - 3:59 pm
SMF
-
HLN
23h 52m
2 stops
$558Alaska Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
6:15 am - 6:02 pm
HLN
-
SMF
12h 47m
2 stops
United Airlines Logo
1:00 pm - 9:05 pm
SMF
-
HLN
7h 05m
1 stop
$970United Airlines
Mon, Jun 8 - Mon, Jun 15

Alaska Airlines flights from Helena to Sacramento

Our best Alaska Airlines deals on Helena to Sacramento flight tickets
Alaska Airlines
Jun 8
HLN4:43 pmHelena
6h 05m
1 stop
SMF9:48 pmSacramento Intl
Jun 15
SMF6:29 pmSacramento Intl
20h 53m
1 stop
HLN4:22 pmHelena
$426
Alaska Airlines
Apr 24
HLN6:22 pmHelena
25h 35m
1 stop
SMF6:57 pmSacramento Intl
Apr 26
SMF8:07 amSacramento Intl
8h 38m
2 stops
HLN5:45 pmHelena
$460
Alaska Airlines
Apr 24
HLN6:22 pmHelena
25h 49m
2 stops
SMF7:11 pmSacramento Intl
Apr 26
SMF8:07 amSacramento Intl
8h 38m
2 stops
HLN5:45 pmHelena
$482

United Airlines flights from Helena to Sacramento

Our best United Airlines deals on Helena to Sacramento flight tickets
United Airlines
Feb 24
HLN6:15 amHelena
8h 16m
1 stop
SMF1:31 pmSacramento Intl
Feb 28
SMF5:00 amSacramento Intl
7h 40m
1 stop
HLN1:40 pmHelena
$348
United Airlines
Feb 24
HLN2:25 pmHelena
7h 51m
1 stop
SMF9:16 pmSacramento Intl
Feb 28
SMF5:00 amSacramento Intl
7h 40m
1 stop
HLN1:40 pmHelena
$438
United Airlines
Feb 24
HLN6:15 amHelena
8h 16m
1 stop
SMF1:31 pmSacramento Intl
Feb 28
SMF7:25 amSacramento Intl
29h 15m
2 stops
HLN1:40 pmHelena
$443

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 February 8, 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

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 2/24

6:15 am-1:31 pm

1 stop8h 16m

Sacramento Intl

Sat 2/28

5:00 am-1:40 pm

1 stop7h 40m

$348

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Mon 6/8

4:43 pm-9:48 pm

1 stop6h 05m

Sacramento Intl

Mon 6/15

6:29 pm-4:22 pm

1 stop20h 53m

$426

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 2/24

2:25 pm-9:16 pm

1 stop7h 51m

Sacramento Intl

Sat 2/28

5:00 am-1:40 pm

1 stop7h 40m

$438

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 2/24

6:15 am-1:31 pm

1 stop8h 16m

Sacramento Intl

Sat 2/28

7:25 am-1:40 pm

2 stops29h 15m

$443

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Fri 4/24

6:22 pm-6:57 pm

1 stop25h 35m

Sacramento Intl

Sun 4/26

8:07 am-5:45 pm

2 stops8h 38m

$460

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 2/24

2:25 pm-10:32 pm

2 stops33h 07m

Sacramento Intl

Sat 2/28

5:00 am-1:40 pm

1 stop7h 40m

$481

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Fri 4/24

6:22 pm-7:11 pm

2 stops25h 49m

Sacramento Intl

Sun 4/26

8:07 am-5:45 pm

2 stops8h 38m

$482

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 2/24

4:36 pm-12:23 pm

2 stops20h 47m

Sacramento Intl

Sat 2/28

7:04 pm-3:59 pm

2 stops19h 55m

$556

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Tue 2/24

4:36 pm-4:15 pm

2 stops24h 39m

Sacramento Intl

Sat 2/28

3:07 pm-3:59 pm

2 stops23h 52m

$558

HelenaSacramento

HLN - SMF

HLNSMF

Helena

Mon 6/8

6:15 am-6:02 pm

2 stops12h 47m

Sacramento Intl

Mon 6/15

1:00 pm-9:05 pm

1 stop7h 05m

$970

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 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?

Delta, Alaska Airlines, and United Airlines are the most popular carriers 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 34% of people opting to fly with this airline when traveling to Sacramento. Keep in mind that there are 6 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 03m

Direct flights

None
The fastest flight from Helena to Sacramento takes 4h 03m
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 03m.

  • 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 many operators does momondo search for flights from Helena Airport to Sacramento Intl Airport?

  • 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.

  • What is the most popular airline from Helena to Sacramento?

Best airlines flying from Helena to Sacramento

Compare and see reviews for airlines that fly from Helena to Sacramento with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $256Free CancellationRating
7.9
8,173 reviews
Search Delta flights

Traveling to a place near San Francisco?

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