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Helena

$127+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HLN
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
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 August 28, 2025.

Round-trip from

$240
(Trip.com)

One-way from

$127
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$360
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. 25% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 28, 2025.

This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:34 amSFO - HLN
1 stop7h 07mHawaiian Airlines
Sat 10/256:18 pmHLN - SFO
1 stop5h 11mHawaiian Airlines
Deal found 8/27$240
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:34 amSFO - HLN
1 stop7h 07mAlaska Airlines
Tue 10/216:18 pmHLN - SFO
1 stop5h 00mAlaska Airlines
Deal found 8/26$254
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:00 amSFO - HLN
2 stops8h 41mAlaska Airlines
Sat 10/256:18 pmHLN - SFO
1 stop5h 11mAlaska Airlines
Deal found 8/27$287
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amSFO - HLN
1 stop5h 20mDelta
Wed 10/225:45 amHLN - SFO
1 stop4h 15mDelta
Deal found 8/26$292
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:19 pmSFO - HLN
1 stop18h 02mAlaska Airlines
Sat 10/46:18 pmHLN - SFO
1 stop5h 11mAlaska Airlines
Deal found 8/26$328
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:00 amSFO - HLN
1 stop9h 41mAlaska Airlines
Tue 10/216:18 pmHLN - SFO
1 stop5h 00mAlaska Airlines
Deal found 8/26$339
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/28:19 pmSFO - HLN
1 stop18h 02mAlaska Airlines
Sat 10/46:18 pmHLN - SFO
1 stop5h 11mAlaska Airlines
Deal found 8/27$376
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:15 pmSJC - HLN
1 stop23h 06mAlaska Airlines
Tue 10/76:18 pmHLN - SJC
1 stop16h 05mAlaska Airlines
Deal found 8/26$382
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Wed 10/88:20 amSFO - HLN
1 stop8h 21mAlaska Airlines
Sun 10/126:18 pmHLN - SFO
1 stop5h 00mAlaska Airlines
Deal found 8/27$390
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:54 pmSFO - HLN
1 stop4h 22mDelta
Sun 10/125:45 amHLN - SFO
1 stop4h 15mDelta
Deal found 8/26$419
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 9/119:39 amOAK - HLN
1 stop4h 42mAlaska Airlines
Mon 9/154:02 pmHLN - OAK
1 stop7h 01mAlaska Airlines
Deal found 8/27$634
This Hawaiian Airlines deal was found by Cheapflights users on 8/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:00 amSJC - HLN
1 stop5h 21mHawaiian Airlines
Sat 9/134:02 pmHLN - SJC
1 stop5h 57mHawaiian Airlines
Deal found 8/28$654

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 August 28, 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

Sat 10/18

9:34 am-5:41 pm

1 stop7h 07m

Helena

Sat 10/25

6:18 pm-10:29 pm

1 stop5h 11m

$240

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 10/18

9:34 am-5:41 pm

1 stop7h 07m

Helena

Tue 10/21

6:18 pm-10:18 pm

1 stop5h 00m

$254

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 10/18

8:00 am-5:41 pm

2 stops8h 41m

Helena

Sat 10/25

6:18 pm-10:29 pm

1 stop5h 11m

$287

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sat 10/18

6:00 am-12:20 pm

1 stop5h 20m

Helena

Wed 10/22

5:45 am-9:00 am

1 stop4h 15m

$292

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Fri 9/26

8:19 pm-3:21 pm

1 stop18h 02m

Helena

Sat 10/4

6:18 pm-10:29 pm

1 stop5h 11m

$328

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Sun 10/19

7:00 am-5:41 pm

1 stop9h 41m

Helena

Tue 10/21

6:18 pm-10:18 pm

1 stop5h 00m

$339

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Wed 2/11

5:05 pm-10:38 pm

1 stop4h 33m

Helena

Sun 2/15

12:50 pm-4:34 pm

1 stop4h 44m

$361

San FranciscoHelena

SFO - HLN

SFOHLN

San Francisco

Thu 10/2

8:19 pm-3:21 pm

1 stop18h 02m

Helena

Sat 10/4

6:18 pm-10:29 pm

1 stop5h 11m

$376

OaklandHelena

OAK - HLN

OAKHLN

Oakland

Wed 2/11

5:55 am-12:27 pm

1 stop5h 32m

Helena

Wed 2/18

12:50 pm-4:34 pm

1 stop4h 44m

$379

San JoseHelena

SJC - HLN

SJCHLN

San Jose

Thu 10/2

3:15 pm-3:21 pm

1 stop23h 06m

Helena

Tue 10/7

6:18 pm-9:23 am

1 stop16h 05m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 35 results
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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 May is currently the most expensive (average of $517). 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 August 28, 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.

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 August 28, 2025.
Read reviews from past customers who have flown Alaska Airlines and Delta from San Francisco Bay Area to Helena. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

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
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

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.

  • How long is the flight from San Francisco Bay Area to Helena?

    Airlines like Hawaiian Airlines, Alaska Airlines, and Delta fly from San Francisco Bay Area to Helena in about 5h 20m. The time it takes to get you to your destination can typically vary by up to 1h 47m. Airlines will cover a distance of 816 mi. This flight may include one or multiple stops.

  • 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 $127 on Hawaiian Airlines. Other airlines that offer cheap prices include Alaska Airlines from $127 and United Airlines from $128 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 May is currently the most expensive (average of $517). 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 Bay Area to Helena

Discover the top 2 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$408FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$317Average$518FlexibilityNo cancel feeOn-time75%

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