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Helena

$165+ Cheap flights from San Francisco to Helena (SFO - HLN)

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HLN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from San Francisco to Helena

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Helena (HLN). 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 April 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(Alaska Airlines)

One-way from

$165
(Delta)

Popular in

March

Cheapest in

October

Average price

$498
Provider with most accurate pricing for San Francisco-Helena flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Helena flights.
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From San Francisco to Helena
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One-way flight from San Francisco to Helena
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($225 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Francisco to Helena

Cheapest flights from San Francisco to Helena
Explore the most affordable flight options available from San Francisco to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/109:10 amSFO - HLN
1 stop8h 39mAlaska Airlines
Sat 5/174:11 pmHLN - SFO
1 stop5h 49mAlaska Airlines
Deal found 4/15$244
This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 5/165:05 pmSFO - HLN
1 stop4h 11mDelta
Tue 5/201:01 pmHLN - SFO
1 stop4h 09mDelta
Deal found 4/14$332
This Hawaiian Airlines deal was found by Cheapflights users on 4/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:10 amSFO - HLN
1 stop5h 33mHawaiian Airlines
Fri 12/264:10 pmHLN - SFO
1 stop7h 08mHawaiian Airlines
Deal found 4/14$536
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2311:03 pmSFO - HLN
2 stops16h 52mUnited Airlines
Mon 5/266:25 amHLN - SFO
1 stop25h 17mUnited Airlines
Deal found 4/14$569

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Helena 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 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from San Francisco to Helena that are best for you.

Fly from

San Francisco

Fly to

Helena

Route

Depart

Return

Price

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 5/10

9:10 am-6:49 pm

1 stop8h 39m

Helena

Sat 5/17

4:11 pm-9:00 pm

1 stop5h 49m

$244

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Fri 5/16

5:05 pm-10:16 pm

1 stop4h 11m

Helena

Tue 5/20

1:01 pm-4:10 pm

1 stop4h 09m

$332

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Fri 5/23

11:03 pm-4:55 pm

2 stops16h 52m

Helena

Mon 5/26

6:25 am-6:42 am

1 stop25h 17m

$569

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 7/1

5:35 am-12:38 pm

1 stop6h 03m

$165

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Tue 7/1

6:00 am-3:31 pm

2 stops8h 31m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Compare providers for flights from San Francisco to Helena

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 San Francisco to Helena in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 San Francisco-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Helena flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Francisco-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Helena flights, Cheapflights users trust eDreams the most. eDreams 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 San Francisco-Helena 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 San Francisco to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from San Francisco 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Helena

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to Helena (average of $353). Flying from San Francisco to Helena in July is currently the most expensive (average of $607). 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 SFO to HLN?

Find hourly flight availability from San Francisco to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

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 60% on airfare.

Rainfall in Helena by month

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

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

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

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated April 15, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Helena. 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 San Francisco to Helena round-trip?

    Cheapflights users have booked flights from San Francisco to Helena round-trip from $244. Other airlines that can offer you cheap pricing are Delta, from $332, and United Airlines, from $569. Alaska Airlines is 57% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Helena 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 San Francisco to Helena?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Helena (average of $353). Flying from San Francisco to Helena in July is currently the most expensive (average of $607). 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.

See more FAQs

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Top 2 airlines flying from San Francisco to Helena

Discover the top 2 airlines that operate flights from San Francisco to Helena. 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 2,558,603 searches. Data last updated April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$273Average$558FlexibilityNo cancel feeOn-time75%
DeltaCheapest$294Average$398FlexibilityNo cancel feeOn-timeN/A

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