Cheap flights from San Francisco to Helena (SFO - HLN)

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How to find the cheapest flight from
San Francisco (SFO) to Helena (HLN)

All the information you need to plan the best SFO to HLN flight in 2021: compare San Francisco to Helena flight prices with the expected peak season, weather and rainfall in Helena.
SFO - HLN
Price
$148 - $570
HLN
Temperature
21.2 - 69.8 °F
HLN
Precipitation
0.3 - 2.1 inches

Popular in

November

High demand for flights, 44% potential price rise

Cheapest in

July

Best time to find cheap flights, 53% potential price drop

Average price

$570

Average for round-trip flights in November 2021

Round-trip from

$148

From San Francisco to Helena

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Helena?

Saturday flights are generally found to be more expensive for flights from San Francisco to Helena. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Helena.

When is the cheapest time to fly from San Francisco to Helena (SFO - HLN)?

One of the essential ways to save on airfare from San Francisco to Helena is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.

What is the cheapest month to fly from San Francisco to Helena?

The best pricing can be found in the month of July. Prices to Helena from San Francisco average $317. You can even find prices in July for less than $317, as users have found deals to Helena from as low as $148. The month of November appears to be one of the more expensive times to travel to Helena from San Francisco. Flying in the targeted month can save you up to 79%.

Cheap flights from San Francisco to Helena in November, December 2021

The best prices found for SFO to HLN flights for November, December
30 Dec - 5 Jan
$297pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco
31 Dec - 5 Jan
$321pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco
30 Dec - 6 Jan
$327pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco

San Francisco to Helena 2022 flight deals

Cheap flights to Helena from San Francisco found for next year
30 Dec - 5 Jan
$297pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco
31 Dec - 5 Jan
$321pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco
30 Dec - 6 Jan
$327pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco

One-way flights to Helena from San Francisco

The cheapest one-way flights from San Francisco to Helena
4:44 pm - 10:04 am
Multiple Airlines
2 Stops
40h 20m
SFO - HLN
Multiple Airlines
$385
Kiwi.com
3:35 am - 4:13 pm
United Airlines
2 Stops
11h 38m
SFO - HLN
United Airlines
$392
United
1:00 am - 10:04 am
Alaska Airlines
2 Stops
8h 04m
SFO - HLN
Alaska Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Helena</span> flights.

Flight FAQs

From San Francisco to Helena

Which airlines flying from San Francisco to Helena have flexible cancellations due to COVID-19?

Some of the carriers operating flights from San Francisco to Helena that may be offering flexible cancellation policies are Delta, Alaska Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from San Francisco to Helena for under $300 on Cheapflights?

Yes, there are multiple flights from San Francisco to Helena for under $300. The cheapest flight booked recently is on Delta for just $217, but on average you can expect to pay $361.

What are the cheapest airlines flying from San Francisco to Helena round-trip?

Cheapflights users have booked flights from San Francisco to Helena round-trip from $217. Other airlines that can offer you cheap pricing are Alaska Airlines, from $245, and United Airlines, from $317. Delta is 31% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from San Francisco to Helena one-way?

One-way options have recently been found by users for as low as $138 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $139 and United Airlines from $259 one-way.

What are the most popular airlines that fly from San Francisco to Helena?

The most popular airlines flying from San Francisco to Helena are Alaska Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What are the cheapest flights from San Francisco to Helena?

Looking at all options, your cheapest flight can be booked for $98. While the most popular route (San Francisco - Helena) can be booked for $217 on average our data indicates $217 when flying from San Francisco to Helena.

COVID Restrictions

View COVID Travel Restrictions for Helena, MT

Do I need a COVID test to fly to Helena from San Francisco?

Information is based on travel restrictions for travel to Helena within the United States

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Helena.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Helena.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Helena.

Do I need a test to fly back to San Francisco from Helena?

Returning to San Francisco from Helena

COVID-19 testing requirements
Visitors from Helena must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Helena are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Helena, MT

Alternative routes for San Francisco to Helena

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Helena

Things to know before you go - useful duration and weather info for your trip from San Francisco to Helena.
Average temperature for November in Helena
46.4 °F
Avg rainfall for November in Helena
0.5 ″

Airports servicing San Francisco

Airports servicing Helena

Top 3 airlines flying from San Francisco to Helena

The chart below displays the airlines Cheapflights users traveling from San Francisco to Helena choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$109 $297 No cancel fee 75%
United Airlines
$114 $360 No cancel fee 69%
Delta
$114 $360 No cancel fee N/A
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