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Cheap flights from Helena to San Francisco (HLN - SFO) from $164

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HLN — SFO
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
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 May 30, 2024.

Popular in

March

Cheapest in

February

Round-trip from

$268

One-way from

$164
High demand for flights, 47% potential price rise
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Best time to find cheap flights, 40% 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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What is the cheapest day to fly round-trip from Helena to San Francisco?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 157% on the overall cost on flights from Helena to San Francisco.

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

Our data shows that February tends to be the cheapest month to fly to San Francisco from Helena. Users have commonly found prices around $527 for the month, but tickets can be as low as $286. Due to multiple factors, prepare for potentially higher prices in March.

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

It’s typically best to fly out from Helena to San Francisco at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Delta flights from Helena to San Francisco

Explore cheap flight options specifically provided by Delta for the route between Helena and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Consider these cheap Delta flights we've found departing from Helena to San Francisco. It's recommended that users confirm their flight details before booking.
Sat 6/296:00 amHLN - SFO
1 stop4h 00mDelta
Thu 7/45:17 pmSFO - HLN
1 stop4h 29mDelta
Deal found 5/29$348
Sun 6/306:00 amHLN - SFO
1 stop4h 00mDelta
Fri 7/56:05 amSFO - HLN
1 stop5h 35mDelta
Deal found 5/29$528
Sat 6/296:00 amHLN - SFO
1 stop4h 00mDelta
Thu 7/410:20 amSFO - HLN
2 stops11h 26mDelta
Deal found 5/29$652
Sun 6/306:00 amHLN - SFO
1 stop4h 00mDelta
Fri 7/52:40 pmSFO - HLN
2 stops7h 06mDelta
Deal found 5/29$807
Sat 6/291:19 pmHLN - SFO
2 stops9h 02mDelta
Thu 7/412:39 pmSFO - HLN
2 stops9h 07mDelta
Deal found 5/29$1,215
Mon 7/16:00 amHLN - SFO
2 stops8h 33mDelta
Sat 7/612:39 pmSFO - HLN
2 stops9h 07mDelta
Deal found 5/29$1,275

Cheap Alaska Airlines flights from Helena to San Francisco

Explore cheap flight options specifically provided by Alaska Airlines for the route between Helena and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Take a gander at the lowest prices we've found on Alaska Airlines flights from Helena to San Francisco. Deals frequently update to provide users with more options.
Mon 7/13:42 pmHLN - SFO
1 stop5h 14mAlaska Airlines
Fri 7/56:00 amSFO - HLN
1 stop8h 05mAlaska Airlines
Deal found 5/29$385
Sat 6/293:46 pmHLN - SFO
1 stop5h 10mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$402
Sat 6/293:46 pmHLN - SFO
1 stop5h 10mAlaska Airlines
Fri 7/56:00 amSFO - HLN
1 stop8h 05mAlaska Airlines
Deal found 5/29$412
Mon 7/13:42 pmHLN - SFO
2 stops9h 17mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$433
Mon 7/13:42 pmHLN - SFO
2 stops9h 17mAlaska Airlines
Fri 7/56:00 amSFO - HLN
1 stop8h 05mAlaska Airlines
Deal found 5/29$443
Wed 6/127:00 amHLN - SFO
1 stop27h 15mAlaska Airlines
Wed 6/192:39 pmSFO - HLN
2 stops8h 20mAlaska Airlines
Deal found 5/29$465
Wed 6/127:00 amHLN - SFO
2 stops7h 14mAlaska Airlines
Wed 6/192:39 pmSFO - HLN
2 stops8h 20mAlaska Airlines
Deal found 5/29$470
Sun 6/303:42 pmHLN - SFO
1 stop5h 14mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$472
Wed 6/127:00 amHLN - SFO
1 stop16h 08mAlaska Airlines
Wed 6/198:00 amSFO - HLN
1 stop6h 05mAlaska Airlines
Deal found 5/29$478

Cheap Helena to San Francisco flights in May & June 2024

Find cheap flight options from Helena to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from Helena to San Francisco in 2024. Check back in a little while for more flight options.
Sat 6/296:00 amHLN - SFO
1 stop4h 00mDelta
Thu 7/45:17 pmSFO - HLN
1 stop4h 29mDelta
Deal found 5/29$348
Sat 6/293:46 pmHLN - SFO
1 stop5h 10mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$402
Sat 6/293:46 pmHLN - SFO
1 stop5h 10mAlaska Airlines
Fri 7/56:00 amSFO - HLN
1 stop8h 05mAlaska Airlines
Deal found 5/29$412
Thu 6/277:00 amHLN - SFO
1 stop8h 14mAlaska Airlines
Mon 7/16:00 amSFO - HLN
1 stop16h 59mAlaska Airlines
Deal found 5/30$422
Wed 6/127:00 amHLN - SFO
1 stop27h 15mAlaska Airlines
Wed 6/192:39 pmSFO - HLN
2 stops8h 20mAlaska Airlines
Deal found 5/29$465
Wed 6/127:00 amHLN - SFO
2 stops7h 14mAlaska Airlines
Wed 6/192:39 pmSFO - HLN
2 stops8h 20mAlaska Airlines
Deal found 5/29$470
Sun 6/303:42 pmHLN - SFO
1 stop5h 14mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$472
Wed 6/127:00 amHLN - SFO
1 stop16h 08mAlaska Airlines
Wed 6/198:00 amSFO - HLN
1 stop6h 05mAlaska Airlines
Deal found 5/29$478
Sun 6/306:45 amHLN - SFO
1 stop25h 56mUnited Airlines
Fri 7/56:30 amSFO - HLN
1 stop6h 14mUnited Airlines
Deal found 5/29$487

Helena to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Helena and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from Helena to San Francisco in 2024. Check back in a little while for more flight options.
Sat 6/296:00 amHLN - SFO
1 stop4h 00mDelta
Thu 7/45:17 pmSFO - HLN
1 stop4h 29mDelta
Deal found 5/29$348
Mon 7/13:42 pmHLN - SFO
1 stop6h 13mAlaska Airlines
Thu 7/49:51 pmSFO - HLN
1 stop16h 14mAlaska Airlines
Deal found 5/29$385
Sat 6/293:46 pmHLN - SFO
1 stop5h 10mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$402
Sat 6/293:46 pmHLN - SFO
1 stop5h 10mAlaska Airlines
Fri 7/56:00 amSFO - HLN
1 stop8h 05mAlaska Airlines
Deal found 5/29$412
Thu 6/277:00 amHLN - SFO
1 stop8h 14mAlaska Airlines
Mon 7/16:00 amSFO - HLN
1 stop16h 59mAlaska Airlines
Deal found 5/30$422
Mon 7/13:42 pmHLN - SFO
2 stops9h 17mAlaska Airlines
Sat 7/66:00 amSFO - HLN
1 stop8h 09mAlaska Airlines
Deal found 5/29$433
Mon 7/13:42 pmHLN - SFO
2 stops9h 17mAlaska Airlines
Fri 7/56:00 amSFO - HLN
1 stop8h 05mAlaska Airlines
Deal found 5/29$443
Wed 6/127:00 amHLN - SFO
1 stop27h 15mAlaska Airlines
Wed 6/192:39 pmSFO - HLN
2 stops8h 20mAlaska Airlines
Deal found 5/29$465
Wed 6/127:00 amHLN - SFO
2 stops7h 14mAlaska Airlines
Wed 6/192:39 pmSFO - HLN
2 stops8h 20mAlaska Airlines
Deal found 5/29$470

One-way flights to San Francisco from Helena

Search for one-way flight options from Helena to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Users traveling one-way from Helena to San Francisco can select one of these great deals. For those needing a return trip from Helena, there is a search form available above.
Tue 6/186:00 amHLN - SFO
1 stop7h 10mDelta
Deal found 5/28$164
Tue 6/183:42 pmHLN - SFO
2 stops9h 17mAlaska Airlines
Deal found 5/28$171
Sun 6/303:42 pmHLN - SFO
2 stops22h 24mAlaska Airlines
Deal found 5/29$242
Sat 7/67:00 amHLN - SFO
2 stops10h 34mAlaska Airlines
Deal found 5/29$301
Sat 7/63:46 pmHLN - SFO
1 stop7h 24mAlaska Airlines
Deal found 5/30$321
Sat 7/67:00 amHLN - SFO
2 stops10h 34mAlaska Airlines
Deal found 5/30$369

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$348 - $545

Route

Depart

Return

Price

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 6/29

1 stop4h 00m

San Francisco

Thu 7/4

1 stop4h 29m

$348

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Mon 7/1

1 stop5h 14m

San Francisco

Fri 7/5

1 stop8h 05m

$385

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 6/29

1 stop5h 10m

San Francisco

Sat 7/6

1 stop8h 09m

$402

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sat 6/29

1 stop5h 10m

San Francisco

Fri 7/5

1 stop8h 05m

$412

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Mon 7/1

2 stops9h 17m

San Francisco

Sat 7/6

1 stop8h 09m

$433

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Mon 7/1

2 stops9h 17m

San Francisco

Fri 7/5

1 stop8h 05m

$443

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sun 6/30

1 stop25h 56m

San Francisco

Fri 7/5

1 stop6h 14m

$487

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sun 6/30

1 stop4h 00m

San Francisco

Fri 7/5

1 stop5h 35m

$528

HelenaSan Francisco

HLN - SFO

HLNSFO

Helena

Sun 6/30

1 stop25h 56m

San Francisco

Fri 7/5

2 stops13h 03m

$545

Flights are sorted by cheapest first

Deals found on 5/29

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

Use this chart to determine the cheapest time to fly round-trip from Helena to San Francisco. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Helena to San Francisco flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °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 May 30, 2024.
Read through reviews of airlines operating flights from Helena to San Francisco, such as Delta, Alaska Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,192 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,457 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,777 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • Can I find flights from Helena to San Francisco for under $400 on Cheapflights?

    Yes, there are multiple flights from Helena to San Francisco for under $400. The cheapest flight booked recently is on Delta for just $348, but on average you can expect to pay $549.

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

    According to our current data, Delta ($348), Alaska Airlines ($385), and United Airlines ($487) offers the cheapest pricing from Helena to San Francisco. Delta is currently priced 33% below the average price you’ll pay for this route.

  • What does HLN to SFO mean?

    Great question - HLN to SFO just means Helena Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Helena to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Helena to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Helena to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Helena to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Helena to San Francisco that allow pets onboard?

    Many airlines flying from Helena to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Helena to San Francisco?

    Yes, you can often find last-minute deals on Helena to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Helena to San Francisco flight deals updated?

    The Helena to San Francisco flight deals you see on this page were last updated on 5/30.

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

    Consider Alaska Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Helena to San Francisco.

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

    Currently, September is the cheapest month in which you can book a flight from Helena to San Francisco (average of $268). Flying from Helena to San Francisco in June is currently the most expensive (average of $385). 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 3 airlines flying from Helena to San Francisco

Discover the top 3 airlines 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$269Average$416FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$288Average$411FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$323Average$673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Helena to Springfield flights

Search flights from Helena to San Francisco by cabin class

Find flights from Helena to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
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Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Helena to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Helena to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Helena to San Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Helena by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Helena to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Helena to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Helena to San Francisco become cheaper?

Of course! You can now track prices for flights from Helena to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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