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Cheap flights from Helena to San Francisco from $284

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
$333Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:00 pm - 9:40 pmHLN  Helena-SFO San Francisco
5h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
11:46 am - 4:23 pmSFO  San Francisco-HLN Helena
27h 37m2 stops San Diego Seattle/Tacoma Intl
$381Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Alaska Airlines Logo
5:00 pm - 9:40 pmHLN  Helena-SFO San Francisco
5h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
11:46 am - 4:23 pmSFO  San Francisco-HLN Helena
27h 37m2 stops San Diego Seattle/Tacoma Intl
$391Alaska Airlines
Sat, Jan 30 - Tue, Feb 2
Delta Logo
9:59 am - 8:08 pmHLN  Helena-SFO San Francisco
11h 09m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:00 am - 12:30 pmSFO  San Francisco-HLN Helena
5h 30m1 stop Salt Lake City
$556Delta
Thu, Nov 26 - Thu, Dec 3
Delta Logo
9:59 am - 8:08 pmHLN  Helena-SFO San Francisco
11h 09m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
11:50 am - 10:32 pmSFO  San Francisco-HLN Helena
9h 42m2 stops Los Angeles Salt Lake City
$561Delta
Thu, Nov 26 - Thu, Dec 3
Delta Logo
7:00 am - 3:35 pmHLN  Helena-SFO San Francisco
9h 35m2 stops Salt Lake City Los Angeles
Delta Logo
5:50 am - 12:27 pmSFO  San Francisco-HLN Helena
5h 37m1 stop Salt Lake City
$770Delta
Fri, Nov 13 - Tue, Nov 17
Delta Logo
1:07 pm - 8:17 pmHLN  Helena-SFO San Francisco
8h 10m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
2:47 pm - 10:26 pmSFO  San Francisco-HLN Helena
6h 39m2 stops Los Angeles Salt Lake City
$775Delta
Fri, Nov 13 - Tue, Nov 17

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Delta flights from Helena to San Francisco

Our best Delta deals on Helena to San Francisco flight tickets
Delta
Nov 26
HLN9:59 amHelena
11h 09m
2 stops
SFO8:08 pmSan Francisco
Dec 3
SFO6:00 amSan Francisco
5h 30m
1 stop
HLN12:30 pmHelena
$556
Delta
Nov 26
HLN9:59 amHelena
11h 09m
2 stops
SFO8:08 pmSan Francisco
Dec 3
SFO11:50 amSan Francisco
9h 42m
2 stops
HLN10:32 pmHelena
$561
Delta
Nov 13
HLN7:00 amHelena
9h 35m
2 stops
SFO3:35 pmSan Francisco
Nov 17
SFO5:50 amSan Francisco
5h 37m
1 stop
HLN12:27 pmHelena
$770

United Airlines flights from Helena to San Francisco

Our best United Airlines deals on Helena to San Francisco flight tickets
United Airlines
Jan 30
HLN2:27 pmHelena
18h 06m
2 stops
SFO7:33 amSan Francisco
Feb 2
SFO4:20 pmSan Francisco
20h 20m
2 stops
HLN1:40 pmHelena
$615
United Airlines
Nov 13
HLN6:28 amHelena
7h 44m
1 stop
SFO1:12 pmSan Francisco
Nov 17
SFO5:00 amSan Francisco
7h 40m
1 stop
HLN1:40 pmHelena
$765
United Airlines
Nov 26
HLN6:28 amHelena
6h 12m
1 stop
SFO11:40 amSan Francisco
Dec 3
SFO6:15 amSan Francisco
6h 37m
1 stop
HLN1:52 pmHelena
$788

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

$333

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-9:40 pm

1 stop5h 40m

San Francisco

Tue 2/2

11:46 am-4:23 pm

2 stops27h 37m

$381

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Sat 1/30

5:00 pm-9:40 pm

1 stop5h 40m

San Francisco

Tue 2/2

11:46 am-4:23 pm

2 stops27h 37m

$391

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Thu 11/26

9:59 am-8:08 pm

2 stops11h 09m

San Francisco

Thu 12/3

6:00 am-12:30 pm

1 stop5h 30m

$556

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Thu 11/26

9:59 am-8:08 pm

2 stops11h 09m

San Francisco

Thu 12/3

11:50 am-10:32 pm

2 stops9h 42m

$561

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Fri 11/13

7:00 am-3:35 pm

2 stops9h 35m

San Francisco

Tue 11/17

5:50 am-12:27 pm

1 stop5h 37m

$770
Quickest round-trip

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Fri 11/13

1:07 pm-8:17 pm

2 stops8h 10m

San Francisco

Tue 11/17

2:47 pm-10:26 pm

2 stops6h 39m

$775
Cheapest one-way

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Thu 11/19

1:07 pm-8:17 pm

2 stops8h 10m

$284
Quickest one-way

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Thu 11/19

7:00 am-12:22 pm

1 stop6h 22m

$305

HelenaSan Francisco

HLN Helena - SFO San Francisco

HLNSFO

Helena

Fri 11/13

6:28 am-1:12 pm

1 stop7h 44m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

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

What airlines fly to San Francisco?

United Airlines, Delta and Alaska Airlines 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 47% 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

$284

Fastest flight time

5h 48m

Direct flights

None
The best one-way flight to San Francisco from Helena in the past 72 hours is $284. The best round-trip flight deal from Helena to San Francisco found on momondo in the last 72 hours is $333.
The fastest flight from Helena to San Francisco takes 5h 48m
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 48m 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
8,692 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
Hayward
Santa Clara
Walnut Creek
Bodega Bay
Fremont
Berkeley
Sunnyvale
Half Moon Bay
Vallejo
Roseville
Salinas
Sonoma
Milpitas
Palo Alto
Daly City
Pacific Grove

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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