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$187+ Cheap flights from Helena to San Francisco (HLN - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SFO
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Helena to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

February

Round-trip from

$326
(Delta)

One-way from

$187
(Alaska Airlines)
Provider with most accurate pricing for Helena-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Helena-San Francisco flights.
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High demand for flights, 55% potential price rise
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Best time to find cheap flights, 29% potential price drop
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From Helena to San Francisco
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One-way flight from Helena to San Francisco
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Find flight deals from Helena to San Francisco

Cheapest flights from Helena to San Francisco
Explore the most affordable flight options available from Helena to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:30 amHLN - SFO
1 stop4h 50mDelta
Tue 12/176:00 amSFO - HLN
1 stop5h 19mDelta
Deal found 11/20$326
This Alaska Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/114:07 pmHLN - SFO
2 stops24h 10mAlaska Airlines
Tue 12/177:00 amSFO - HLN
1 stop7h 29mAlaska Airlines
Deal found 11/20$401

Find flights from Helena to San Francisco within your budget

Customize your flight search to find flights from Helena to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Wed 12/11

5:30 am-9:20 am

1 stop4h 50m

San Francisco

Tue 12/17

6:00 am-12:19 pm

1 stop5h 19m

$326

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Mon 1/20

4:41 pm-3:17 pm

2 stops23h 36m

San Francisco

Sun 2/9

10:00 am-4:04 pm

1 stop5h 04m

$328

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Mon 1/20

4:41 pm-3:17 pm

2 stops23h 36m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Compare providers for flights from Helena to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to San Francisco in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Helena to San Francisco

Get recent, data-driven insights about flights from Helena to San Francisco including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Helena to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Helena to San Francisco (average of $276). Flying from Helena to San Francisco in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HLN to SFO?

Find hourly flight availability from Helena to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

It’s typically best to fly out from Helena to San Francisco at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated November 20, 2024.
Alaska Airlines
8.0
Very good
9,461 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Helena to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, Delta ($326), and Alaska Airlines ($328) offers the cheapest pricing from Helena to San Francisco. Delta is currently priced 27% below the average price you’ll pay for this route.

  • Can I find deals for flights from Helena to San Francisco that include hotel bookings?

    Yes. In addition to deals on Helena to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to San Francisco.

  • Can I find deals for business class flights from Helena to San Francisco?

    Yes. Cheapflights offers flight deals from Helena to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Helena to San Francisco (average of $276). Flying from Helena to San Francisco in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Helena to San Francisco

Discover the top airline that operate flights from Helena to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$437FlexibilityNo cancel feeOn-timeN/A
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