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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 San Francisco to Helena

(Round-trip)
Depart: Sat Feb 11 2017 Return: Mon Feb 13 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SFO
HLN
19h 51m
1 stop
HLN
SFO
4h 49m
1 stop
Depart: Wed Mar 15 2017 Return: Tue Mar 21 2017 Trip spans 7 days
Major Airline
Major Airline
SFO
HLN
5h 40m
1 stop
HLN
SFO
5h 17m
1 stop
Depart: Wed Apr 19 2017 Return: Mon Apr 24 2017 Trip spans 6 days
Delta
Delta
SFO
HLN
4h 11m
1 stop
HLN
SFO
4h 13m
1 stop
Depart: Wed May 10 2017 Return: Tue May 23 2017 Trip spans 14 days
Delta
Delta
SFO
HLN
4h 07m
1 stop
HLN
SFO
6h 16m
1 stop
Depart: Mon Jul 3 2017 Return: Tue Jul 11 2017 Trip spans 9 days
Delta
Delta
SFO
HLN
5h 30m
1 stop
HLN
SFO
6h 07m
1 stop
Depart: Tue Jan 31 2017 Return: Wed Feb 8 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SFO
HLN
16h 56m
2 stops
HLN
SFO
5h 16m
1 stop
Depart: Mon Mar 20 2017 Return: Thu Mar 23 2017 Trip spans 4 days
Delta
Delta
SFO
HLN
5h 41m
1 stop
HLN
SFO
6h 31m
1 stop
Depart: Thu Feb 2 2017 Return: Sun Feb 5 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SFO
HLN
18h 46m
2 stops
HLN
SFO
8h 18m
2 stops
* 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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Francisco
$280
Destination

Helena
$280