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Helena

$165+ Cheap flights from San Francisco Bay Area to Helena (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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HLN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Helena

Keep the following information in mind while searching for San Francisco Bay Area to Helena flight deals. Data was last updated April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(flugladen.de)

One-way from

$165
(Alaska Airlines)

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 Bay Area to Helena
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One-way flight from San Francisco Bay Area to Helena
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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 Bay Area to Helena

Cheapest flights from San Francisco Bay Area to Helena
Explore the most affordable flight options available from San Francisco Bay Area to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This flugladen.de deal was found by Cheapflights users on 4/27. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/257:00 amSFO - HLN
1 stop7h 31mHawaiian Airlines
Sat 5/314:11 pmHLN - SFO
1 stop7h 00mHawaiian Airlines
Deal found 4/27$237
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/295:02 pmSJC - HLN
1 stop4h 14mDelta
Mon 6/21:01 pmHLN - SJC
1 stop6h 20mDelta
Deal found 4/28$245
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/296:00 amOAK - HLN
1 stop5h 21mDelta
Mon 6/21:01 pmHLN - OAK
1 stop4h 14mDelta
Deal found 4/28$265
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/295:55 amSFO - HLN
1 stop5h 26mDelta
Mon 6/25:45 amHLN - SFO
1 stop4h 11mDelta
Deal found 4/28$302
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 5/257:00 amSFO - HLN
1 stop7h 31mAlaska Airlines
Sat 5/314:11 pmHLN - SFO
2 stops16h 20mAlaska Airlines
Deal found 4/27$323
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 8/287:00 amOAK - HLN
1 stop7h 34mAlaska Airlines
Sun 8/314:11 pmHLN - OAK
1 stop8h 48mAlaska Airlines
Deal found 4/27$427
This Hawaiian Airlines deal was found by Cheapflights users on 4/26. 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.
Thu 5/159:25 amOAK - HLN
1 stop5h 06mHawaiian Airlines
Sun 5/184:11 pmHLN - OAK
1 stop7h 00mHawaiian Airlines
Deal found 4/26$459
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 6/2110:03 amSJC - HLN
1 stop4h 28mAlaska Airlines
Mon 6/234:09 pmHLN - SJC
1 stop21h 00mAlaska Airlines
Deal found 4/28$500
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 5/168:01 pmSTS - HLN
1 stop18h 30mAlaska Airlines
Sun 5/184:11 pmHLN - STS
2 stops32h 19mAlaska Airlines
Deal found 4/27$559
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/137:00 amSJC - HLN
1 stop6h 02mUnited Airlines
Sun 6/152:39 pmHLN - SJC
1 stop7h 11mUnited Airlines
Deal found 4/28$561
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 9/178:45 amSFO - HLN
2 stops11h 26mUnited Airlines
Sun 9/215:20 pmHLN - SFO
2 stops15h 05mUnited Airlines
Deal found 4/28$576

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco Bay Area 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 29, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Helena that are best for you.

Fly from

San Francisco Bay Area

Fly to

Helena

Route

Depart

Return

Price

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sun 5/25

7:00 am-3:31 pm

1 stop7h 31m

Helena

Sat 5/31

4:11 pm-10:11 pm

1 stop7h 00m

$237

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Thu 5/29

5:02 pm-10:16 pm

1 stop4h 14m

Helena

Mon 6/2

1:01 pm-6:21 pm

1 stop6h 20m

$245

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 5/29

6:00 am-12:21 pm

1 stop5h 21m

Helena

Mon 6/2

1:01 pm-4:15 pm

1 stop4h 14m

$265

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Thu 5/29

5:55 am-12:21 pm

1 stop5h 26m

Helena

Mon 6/2

5:45 am-8:56 am

1 stop4h 11m

$302

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sun 5/25

7:00 am-3:31 pm

1 stop7h 31m

Helena

Sat 5/31

4:11 pm-7:31 am

2 stops16h 20m

$323

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 8/28

7:00 am-3:34 pm

1 stop7h 34m

Helena

Sun 8/31

4:11 pm-11:59 pm

1 stop8h 48m

$427

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Thu 5/15

9:25 am-3:31 pm

1 stop5h 06m

Helena

Sun 5/18

4:11 pm-10:11 pm

1 stop7h 00m

$459

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Sat 6/21

10:03 am-3:31 pm

1 stop4h 28m

Helena

Mon 6/23

4:09 pm-12:09 pm

1 stop21h 00m

$500

Santa RosaHelena

STS - HLN

STSHLN

Santa Rosa Sonoma County

Fri 5/16

8:01 pm-3:31 pm

1 stop18h 30m

Helena

Sun 5/18

4:11 pm-11:30 pm

2 stops32h 19m

$559

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Fri 6/13

7:00 am-2:02 pm

1 stop6h 02m

Helena

Sun 6/15

2:39 pm-8:50 pm

1 stop7h 11m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Francisco Bay Area to Helena

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

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

Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to Helena (average of $353). Flying from San Francisco Bay Area to Helena in July is currently the most expensive (average of $597). 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 XIH to HLN?

Find hourly flight availability from San Francisco Bay Area 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 29, 2025.

When flying from San Francisco Bay Area to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from San Francisco Bay Area to Helena to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What airport do you fly into for flights to Helena from San Francisco Bay Area?

    Located just 2.7 mi from the city center, Helena (HLN) is the airport most travelers will use when flying to Helena from San Francisco Bay Area.

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

    One-way options have recently been found by users for as low as $165 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $166 and United Airlines from $423 one-way.

  • What are the most popular routes from San Francisco Bay Area to Helena?

    While some choose either San Jose - Helena or Oakland - Helena, San Francisco - Helena is the most popular route from San Francisco Bay Area to Helena.

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

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

  • How can I find direct flights from San Francisco Bay Area 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 Bay Area to Helena.

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

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to Helena (average of $353). Flying from San Francisco Bay Area to Helena in July is currently the most expensive (average of $597). 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 San Francisco Bay Area to Helena

Discover the top 3 airlines that operate flights from San Francisco Bay Area 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$273Average$558FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$275Average$492FlexibilityNo cancel feeOn-time69%
DeltaCheapest$294Average$398FlexibilityNo cancel feeOn-timeN/A

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