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
33.8 - 87.8 °F
HLN
Rainfall
0.4 - 2.2 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

$185

Average for round-trip flights in May 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?

Travelers have found that booking a Monday departure is the best way to save up to 41% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

The best pricing can be found in the month of April. Prices to Helena from San Francisco average $334. You can even find prices in April for less than $334, as users have found deals to Helena from as low as $121. The month of December 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 67%.

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

It’s optimal to fly from San Francisco to Helena in the afternoon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

Cheap flights from San Francisco to Helena in May, June 2021

The best prices found for SFO to HLN flights for May, June
25 May - 3 Jun
$284pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
   
2 STOPS
SFO
San Francisco
24 May - 4 Jun
$305pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SFO
San Francisco
25 May - 3 Jun
$307pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SFO
San Francisco

San Francisco to Helena 2021 flight deals

Cheap flights to Helena from San Francisco found for this year
25 May - 3 Jun
$284pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
   
2 STOPS
SFO
San Francisco
24 May - 4 Jun
$305pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SFO
San Francisco
25 May - 3 Jun
$307pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SFO
San Francisco

Last minute flights from San Francisco to Helena

Late deals on round-trip flights to Helena from San Francisco, departing today and this week
22 May - 26 May
$327pp
SFO
San Francisco
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
SFO
San Francisco
22 May - 26 May
$347pp
SFO
San Francisco
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SFO
San Francisco
22 May - 26 May
$375pp
SFO
San Francisco
Alaska Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
   
2 STOPS
SFO
San Francisco

One-way flights to Helena from San Francisco

The cheapest one-way flights from San Francisco to Helena
2:05 am - 6:30 pm
Delta
3 Stops
15h 25m
SFO - HLN
Delta
$406
Delta
8:49 pm - 10:15 am
Multiple Airlines
3 Stops
60h 26m
SFO - HLN
Multiple Airlines
$442
Kiwi.com
8:45 pm - 9:25 am
United Airlines
2 Stops
11h 40m
SFO - HLN
United Airlines
$624
United

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

Are flight prices decreasing from San Francisco to Helena due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Helena for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Helena to control the spread of COVID-19?

Alaska Airlines is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from San Francisco to Helena are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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 $284, but on average you can expect to pay $339.

Are there nonstop flights from San Francisco to Helena for under $300 on Cheapflights?

There are no nonstop flights from San Francisco to Helena, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from San Francisco to Helena for under $400?

There are currently 6+ open flights from San Francisco to Helena within the next 7 days for less than $400.

Does it rain more in San Francisco or Helena?

In San Francisco, there will be less rainfall in San Francisco compared to Helena over the next 7 days.

Is San Francisco weather warmer or cooler than Helena?

With an average temperature of 88 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Helena are hotter than in San Francisco.

How long is the flight from San Francisco to Helena?

There are many flights that can get you from San Francisco to Helena in 4h 17m. Fly via Delta or Alaska Airlines to get the fastest option. Both multi-stop and nonstop flights can be found to your destination and back.

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

Our cheapest airline available from San Francisco to Helena is Delta. Our recent data shows that you can find tickets from as low as $284 on this airline. An additional option worth looking into is Alaska Airlines, starting at $350. Delta is currently priced 10% below the average price you’ll pay for this route.

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

$139 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $189 and $263, respectively.

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 May in Helena
69.8 °F
Avg rainfall for May in Helena
1.9 ″

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%
Delta
$114 $360 No cancel fee N/A
United Airlines
$114 $360 No cancel fee 69%
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