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Cheap flights from Helena to San Francisco from $263

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:00 pm - 10:56 pmHLN  Helena-SFO San Francisco
6h 56m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:39 pm - 4:23 pmSFO  San Francisco-HLN Helena
21h 44m1 stop Seattle/Tacoma Intl
$400Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:26 pm - 2:23 pmHLN  Helena-SFO San Francisco
21h 57m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:07 am - 4:49 pmSFO  San Francisco-HLN Helena
9h 42m1 stop Seattle/Tacoma Intl
$408Alaska Airlines
Fri, Oct 23 - Sun, Oct 25
Alaska Airlines Logo
5:00 pm - 10:56 pmHLN  Helena-SFO San Francisco
6h 56m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:39 pm - 4:23 pmSFO  San Francisco-HLN Helena
21h 44m1 stop Seattle/Tacoma Intl
$433Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:00 pm - 11:01 amHLN  Helena-SFO San Francisco
19h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:23 pmSFO  San Francisco-HLN Helena
8h 23m1 stop Seattle/Tacoma Intl
$463Alaska Airlines
Fri, Jan 15 - Mon, Jan 18
Alaska Airlines Logo
5:00 pm - 8:52 amHLN  Helena-SFO San Francisco
16h 52m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
7:00 am - 4:23 pmSFO  San Francisco-HLN Helena
8h 23m1 stop Seattle/Tacoma Intl
$471Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:26 pm - 10:49 pmHLN  Helena-SFO San Francisco
6h 23m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
11:00 am - 4:49 pmSFO  San Francisco-HLN Helena
4h 49m1 stop Seattle/Tacoma Intl
$485Alaska Airlines
Tue, Oct 13 - Tue, Oct 20
Alaska Airlines Logo
5:26 pm - 9:49 pmHLN  Helena-SFO San Francisco
5h 23m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:43 am - 4:49 pmSFO  San Francisco-HLN Helena
6h 06m1 stop Seattle/Tacoma Intl
$485Alaska Airlines
Tue, Oct 13 - Wed, Oct 21
Delta Logo
1:08 pm - 7:42 pmHLN  Helena-SFO San Francisco
7h 34m2 stops Salt Lake City Los Angeles
Delta Logo
5:50 am - 12:28 pmSFO  San Francisco-HLN Helena
5h 38m1 stop Salt Lake City
$490Delta
Tue, Oct 13 - Tue, Oct 20
Delta Logo
1:08 pm - 7:42 pmHLN  Helena-SFO San Francisco
7h 34m2 stops Salt Lake City Los Angeles
Delta Logo
5:50 am - 12:28 pmSFO  San Francisco-HLN Helena
5h 38m1 stop Salt Lake City
$490Delta
Tue, Oct 13 - Wed, Oct 21
Alaska Airlines Logo
5:00 pm - 8:52 amHLN  Helena-SFO San Francisco
16h 52m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
7:00 am - 4:23 pmSFO  San Francisco-HLN Helena
8h 23m1 stop Seattle/Tacoma Intl
$491Alaska Airlines
Sat, Jan 30 - Tue, Feb 2

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Delta flights from Helena to San Francisco

Our best Delta deals on Helena to San Francisco flight tickets
Delta
Oct 13
HLN1:08 pmHelena
7h 34m
2 stops
SFO7:42 pmSan Francisco
Oct 21
SFO5:50 amSan Francisco
5h 38m
1 stop
HLN12:28 pmHelena
$490
Delta
Oct 13
HLN1:08 pmHelena
7h 34m
2 stops
SFO7:42 pmSan Francisco
Oct 15
SFO5:50 amSan Francisco
5h 38m
1 stop
HLN12:28 pmHelena
$510
Delta
Oct 14
HLN7:15 amHelena
17h 41m
1 stop
SFO11:56 pmSan Francisco
Oct 20
SFO5:50 amSan Francisco
5h 38m
1 stop
HLN12:28 pmHelena
$534

Alaska Airlines flights from Helena to San Francisco

Our best Alaska Airlines deals on Helena to San Francisco flight tickets
Alaska Airlines
Oct 17
HLN5:26 pmHelena
6h 23m
1 stop
SFO10:49 pmSan Francisco
Oct 24
SFO6:07 amSan Francisco
9h 42m
1 stop
HLN4:49 pmHelena
$373
Alaska Airlines
Jan 30
HLN5:00 pmHelena
6h 56m
1 stop
SFO10:56 pmSan Francisco
Feb 2
SFO5:39 pmSan Francisco
21h 44m
1 stop
HLN4:23 pmHelena
$400
Alaska Airlines
Oct 23
HLN5:26 pmHelena
21h 57m
1 stop
SFO2:23 pmSan Francisco
Oct 25
SFO6:07 amSan Francisco
9h 42m
1 stop
HLN4:49 pmHelena
$408

momondo Fare Finder

 
Use the filters below to find and compare flights from Helena to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-10:56 pm

1 stop6h 56m

San Francisco

Tue 2/2

5:39 pm-4:23 pm

1 stop21h 44m

$400

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Fri 10/23

5:26 pm-2:23 pm

1 stop21h 57m

San Francisco

Sun 10/25

6:07 am-4:49 pm

1 stop9h 42m

$408

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-10:56 pm

1 stop6h 56m

San Francisco

Tue 2/2

5:39 pm-4:23 pm

1 stop21h 44m

$433

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Fri 1/15

5:00 pm-11:01 am

1 stop19h 01m

San Francisco

Mon 1/18

7:00 am-4:23 pm

1 stop8h 23m

$463

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-8:52 am

2 stops16h 52m

San Francisco

Tue 2/2

7:00 am-4:23 pm

1 stop8h 23m

$471
Quickest round-trip

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Tue 10/13

5:26 pm-10:49 pm

1 stop6h 23m

San Francisco

Tue 10/20

11:00 am-4:49 pm

1 stop4h 49m

$485

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Tue 10/13

5:26 pm-9:49 pm

1 stop5h 23m

San Francisco

Wed 10/21

9:43 am-4:49 pm

1 stop6h 06m

$485

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Tue 10/13

1:08 pm-7:42 pm

2 stops7h 34m

San Francisco

Tue 10/20

5:50 am-12:28 pm

1 stop5h 38m

$490

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Tue 10/13

1:08 pm-7:42 pm

2 stops7h 34m

San Francisco

Wed 10/21

5:50 am-12:28 pm

1 stop5h 38m

$490

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-8:52 am

2 stops16h 52m

San Francisco

Tue 2/2

7:00 am-4:23 pm

1 stop8h 23m

$491

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 San Francisco

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 San Francisco?

Alaska Airlines and Delta are the most popular carriers operating from Helena to San Francisco

What airlines fly to San Francisco?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to San Francisco from Helena according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to San Francisco

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

Cheap Helena to San Francisco (HLN to SFO) flight deals and tips

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

Best Price Found

$263

Fastest flight time

5h 57m

Direct flights

None
The best one-way flight to San Francisco from Helena in the past 72 hours is $263. The best round-trip flight deal from Helena to San Francisco found on momondo in the last 72 hours is $400.
The fastest flight from Helena to San Francisco takes 5h 57m
There are no direct flights from Helena to San Francisco. There are no popular flight routes from Helena to San Francisco.
Search flight deals

Frequently asked questions about flying from Helena to San Francisco

  • How far is Helena to San Francisco by plane?

    The distance between Helena and San Francisco is about 805.7 mi. 5h 57m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Helena Airport to San Francisco Airport?

    Prices for flights from Helena Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Helena Airport to San Francisco Airport?

  • How old do you have to be to fly from Helena Airport to San Francisco 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 San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco 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 San Francisco 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 San Francisco?

Best airlines flying from Helena to San Francisco

Compare and see reviews for airlines that fly from Helena to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $238Free CancellationRating
7.8
8,568 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
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Bodega Bay
Hayward
Berkeley
Fremont
Santa Clara
Walnut Creek
Sunnyvale
Vallejo
Half Moon Bay
Roseville
Salinas
Sonoma
Daly City
Milpitas
Pacific Grove
Marina

Why use momondo?

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

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 San Francisco from Helena.

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

All flight searches from Helena to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to San Francisco from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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