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
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: Wed May 10 2017 Return: Tue May 16 2017 Trip spans 7 days
Delta
Delta
SFO
HLN
5h 35m
1 stop
HLN
SFO
6h 21m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SFO
HLN
5h 30m
1 stop
HLN
SFO
7h 14m
1 stop
Depart: Wed Apr 5 2017 Return: Mon Apr 10 2017 Trip spans 6 days
Major Airline
Major Airline
SFO
HLN
8h 52m
1 stop
HLN
SFO
7h 19m
1 stop
Depart: Fri May 12 2017 Return: Mon May 15 2017 Trip spans 4 days
Delta
Delta
SFO
HLN
5h 35m
1 stop
HLN
SFO
4h 02m
1 stop
Depart: Fri Jun 9 2017 Return: Mon Jun 12 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SFO
HLN
5h 44m
1 stop
HLN
SFO
5h 18m
1 stop
Depart: Sat Jul 8 2017 Return: Sat Jul 15 2017 Trip spans 8 days
Major Airline
Major Airline
SFO
HLN
5h 44m
1 stop
HLN
SFO
5h 54m
1 stop
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
Delta
Delta
SFO
HLN
4h 08m
1 stop
HLN
SFO
4h 08m
1 stop
Depart: Fri Jul 21 2017 Return: Sun Jul 30 2017 Trip spans 10 days
Major Airline
Major Airline
SFO
HLN
8h 12m
2 stops
HLN
SFO
8h 40m
2 stops
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
Delta
Delta
SFO
HLN
5h 35m
1 stop
HLN
SFO
4h 02m
1 stop
Depart: Thu Apr 13 2017 Return: Sun Apr 16 2017 Trip spans 4 days
Delta
Delta
SFO
HLN
5h 48m
1 stop
HLN
SFO
4h 27m
1 stop
Depart: Mon Mar 27 2017 Return: Wed Apr 5 2017 Trip spans 10 days
Major Airline
Major Airline
SFO
HLN
7h 27m
1 stop
HLN
SFO
5h 17m
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.

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,
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Airports
Origin

San Francisco
$334
Destination

Helena
$334