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

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Good to Know

Average Price:
$410
(avg. price over the last 2 weeks)
Good Deal:
$267
or less (round trip)

When to Book Flights from San Francisco to Helena

Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

Looking for a cheap flight? 25% of our users found flights on this route for $267 or less.
The cheapest flight from San Francisco to Helena was found 33 days before departure, on average.
Book at least 1 week before departure in order to get a below-average price.
Morning departure is around 23% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking San Francisco to Helena Flights

How long does a flight from San Francisco to Helena take?
An average nonstop flight takes 3h 45m, covering a distance of 817 miles.
Which airlines provide the cheapest flights from San Francisco to Helena?
In the past 3 days, the cheapest round-trip tickets were found on Alaska Airlines ($192), Multiple Airlines ($192) and Delta ($226).
Do I need a passport to fly between San Francisco and Helena?
No.
What’s the cheapest day of the week to fly San Francisco to Helena?
For San Francisco to Helena, Saturday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Helena back to San Francisco, the best deals are generally found on Tuesday, with Friday being the most expensive.

Book cheap flights from San Francisco to Helena (round-trip)

Airports
Origin
San Francisco
$192
only
$192
Destination
Helena
$192
only
$192
Sat, May 12
SFO
HLN
7h 36m
Sat, May 19
HLN
SFO
6h 03m
Trip: 8 days
8.4ExcellentShow reviews
Overall 8.4 Excellent
Based on 16911 reviews
Overall
8.6
Boarding
8.7
Comfort
8.4
Crew
8.9
Entertainment
7.9
Food
8.0
PSC
SEA
Good 6.3

Alaska Airlines has a great fruit and cheese plate for $7.50. GOGO app gives a good selection of movies, tv shows and HGTV!

Attendant was much more pleasant to the two men around me. Such a full flight, we were told to sit down until the food cart was done to access the lavatory. Too narrow of an aisle!

SEA
IAH
Excellent 8.0

Beautiful scenery that included seeing Mt. Adams, Mount Hood and flying right by Mt Rainier.

Crammed in like sardines! Had to wait for other planes to leave so we could park the plane.

STL
SEA
Excellent 8.0

On time

Late at night

HNL
SEA
Good 7.5

Love the fact Alaskan has a few more inches of leg room. The plane was actually at a good temperature rather than the normal freezing!

Boarding and disembarking is SO slow at pretty much all airlines. It would be great if SOMEONE would come up with a better plan.

LAX
SEA
Okay 4.3

Every single member of personnel i met from the gate agents to the flight attendants were rude and abrupt. Certainly did not understand guest service. My first time flying Alaska and I guess it was a case of “you get what you pay for”

Sat, Jun 9
SFO
HLN
6h 59m
Wed, Jun 13
HLN
SFO
6h 20m
Trip: 5 days
Overall 0.0 Poor
Based on 0 reviews
Fri, Apr 13
SFO
HLN
3h 56m
Sun, Apr 15
HLN
SFO
6h 34m
Trip: 3 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16027 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
SJC
SLC
Excellent 8.8

Good clean aircraft. Fairly comfortable seats. Even had a power outlet in my row. Not too bad for an aircraft from the late 70s.

for some reason, i had to pay to gate check a bag. It didnt seem like anyone else did while boarding my flight.

ATL
JNB
Okay 4.0

Aircraft seemed shabby despite refresh of Comfort Plus, food was really mediocre. Steer clear of the Asian Veg option.

ATL
MEX
Excellent 10.0

Flight was on time, crew was friendly, plane was clean, and boarding was painless and efficient. Food was served which was a huge plus. I appreciate having a choice of almonds for a snack.

ATL
DTW
Excellent 10.0

Pls see above

DTW
YOW
Excellent 9.3

Please see above. Sherry was amazing

Plane was small and older but it was a short flight

Mon, Mar 12
SFO
HLN
5h 25m
Tue, Mar 13
HLN
SFO
6h 42m
Trip: 2 days
Overall 0.0 Poor
Based on 0 reviews
Wed, May 9
SFO
HLN
6h 21m
Sat, May 12
HLN
SFO
6h 50m
Trip: 4 days
8.4ExcellentShow reviews
Overall 8.4 Excellent
Based on 16911 reviews
Overall
8.6
Boarding
8.7
Comfort
8.4
Crew
8.9
Entertainment
7.9
Food
8.0
HNL
SEA
Good 7.5

Love the fact Alaskan has a few more inches of leg room. The plane was actually at a good temperature rather than the normal freezing!

Boarding and disembarking is SO slow at pretty much all airlines. It would be great if SOMEONE would come up with a better plan.

SEA
IAH
Excellent 8.0

Beautiful scenery that included seeing Mt. Adams, Mount Hood and flying right by Mt Rainier.

Crammed in like sardines! Had to wait for other planes to leave so we could park the plane.

STL
SEA
Excellent 8.0

On time

Late at night

LAX
SLC
Mediocre 2.0

Nothing

LAX
SEA
Okay 4.3

Every single member of personnel i met from the gate agents to the flight attendants were rude and abrupt. Certainly did not understand guest service. My first time flying Alaska and I guess it was a case of “you get what you pay for”

Wed, Jul 18
SFO
HLN
3h 45m
Wed, Jul 25
HLN
SFO
6h 43m
Trip: 8 days
Overall 0.0 Poor
Based on 0 reviews
Sun, Aug 5
SFO
HLN
6h 07m
Wed, Aug 8
HLN
SFO
6h 20m
Trip: 4 days
Overall 0.0 Poor
Based on 0 reviews
Thu, Mar 8
SFO
HLN
6h 04m
Mon, Mar 12
HLN
SFO
6h 42m
Trip: 4 days
Overall 0.0 Poor
Based on 0 reviews
Wed, Mar 28
SFO
HLN
8h 39m
Sun, Apr 1
HLN
SFO
17h 04m
$1255
Trip: 5 days
7.2GoodShow reviews
Overall 7.2 Good
Based on 28211 reviews
Overall
7.4
Boarding
7.5
Comfort
7.1
Crew
7.8
Entertainment
6.7
Food
6.7
SAT
PHL
Excellent 8.0

I took American's first direct flight between Philadelphia and San Antonio. It was a nice plane, good service, and amenities for a cost. Love that the plane had plugs!

CLT
LGA
Excellent 10.0

Ability to upgrade to first class

Security taking forever

JAX
DFW
Excellent 8.6

Polite. Clean. Nice business class.

Would like more Western food.

DFW
SAN
Okay 5.3

Direct flight from desired origin to destination Boarding by zones

Uncomfortable, small, seat space with inadequate legroom. Lack of personal entertainment options. Paid extra for earlier boarding group which only benefited me by about 5 people. (NOT WORTH IT!) Lack of complimentary food options. (Pay for everything)

DFW
FLL
Excellent 8.0

No issues at all

N/A

Fri, Feb 23
SFO
HLN
6h 45m
Sun, Feb 25
HLN
SFO
6h 56m
Trip: 3 days
Overall 0.0 Poor
Based on 0 reviews
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San Francisco to Helena Flight Information

Flights Arrive in Helena
Flights Depart from San Francisco
Flight Price $192
Distance 817 miles
Airlines Alaska Airlines, Delta, American Airlines
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.