Find Deals on Flights from Helena to San Francisco (HLN - SFO)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Helena to San Francisco

(Round-trip)
Depart: Tue Mar 14 2017 Return: Wed Mar 15 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
HLN
SFO
5h 17m
1 stop
SFO
HLN
5h 40m
1 stop
Depart: Sat Apr 22 2017 Return: Tue Apr 25 2017 Trip spans 4 days
Delta
Delta
HLN
SFO
4h 02m
1 stop
SFO
HLN
3h 45m
1 stop
Depart: Tue Aug 15 2017 Return: Wed Aug 23 2017 Trip spans 9 days
Delta
Delta
HLN
SFO
6h 07m
1 stop
SFO
HLN
4h 00m
1 stop
Depart: Sat May 13 2017 Return: Wed May 17 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
HLN
SFO
5h 18m
1 stop
SFO
HLN
7h 31m
1 stop
Depart: Fri Jun 16 2017 Return: Sun Jun 18 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
HLN
SFO
5h 17m
1 stop
SFO
HLN
5h 44m
1 stop
Depart: Tue Feb 28 2017 Return: Mon Mar 6 2017 Trip spans 7 days
Delta
Delta
HLN
SFO
6h 52m
1 stop
SFO
HLN
4h 11m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Helena
$280
Destination

San Francisco
$280