$118+ Cheap flights from Helena (HLN) to San Francisco Bay Area
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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Helena to San Francisco Bay Area with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Helena to San Francisco Bay Area
Keep the following information in mind while searching for Helena to San Francisco Bay Area flight deals. Data was last updated février 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Delta) |
One-way from | $118 (Alaska Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $319 |
Find flight deals from Helena to San Francisco Bay Area
Cheapest flights from Helena to San Francisco Bay AreaExplore the most affordable flight options available from Helena to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 20, 2025.
Explore the most affordable flight options available from Helena to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 20, 2025.
This Delta deal was found by Cheapflights users on 2/20. 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.
This Delta deal was found by Cheapflights users on 2/19. 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.
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/19. 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.
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Find flights from Helena to San Francisco Bay Area within your budget
Customize your flight search to find flights from Helena to San Francisco Bay Area 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 février 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
HelenaSan Francisco
HLN - SFO
HLNSFO
Helena
jeu. 3/20
5:45 am-12:39 pm
1 stop7h 54m
San Francisco
jeu. 3/27
5:40 am-12:35 pm
1 stop5h 55m
HelenaSan Jose
HLN - SJC
HLNSJC
Helena
ven. 3/14
5:45 am-12:18 pm
1 stop7h 33m
San Jose
ven. 3/21
5:45 am-12:35 pm
1 stop5h 50m
HelenaSan Francisco
HLN - SFO
HLNSFO
Helena
jeu. 3/20
4:19 pm-11:44 pm
1 stop8h 25m
San Francisco
jeu. 3/27
6:00 am-3:39 pm
2 stops8h 39m
HelenaSan Francisco
HLN - SFO
HLNSFO
Helena
jeu. 3/13
6:30 am-11:28 am
1 stop5h 58m
San Francisco
dim. 3/16
5:00 am-1:40 pm
1 stop7h 40m
HelenaOakland
HLN - OAK
HLNOAK
Helena
ven. 3/14
5:45 am-12:13 pm
1 stop7h 28m
Oakland
ven. 3/21
6:00 am-12:35 pm
1 stop5h 35m
HelenaOakland
HLN - OAK
HLNOAK
Helena
ven. 3/7
4:19 pm-9:06 am
1 stop17h 47m
Oakland
mar. 3/11
7:32 pm-3:42 pm
1 stop19h 10m
HelenaSan Francisco
HLN - SFO
HLNSFO
Helena
mar. 3/18
4:19 pm-10:11 pm
1 stop6h 52m
HelenaSan Jose
HLN - SJC
HLNSJC
Helena
mar. 3/18
4:19 pm-10:49 pm
1 stop7h 30m
HelenaOakland
HLN - OAK
HLNOAK
Helena
mar. 4/1
1:15 pm-4:31 pm
1 stop4h 16m
HelenaOakland
HLN - OAK
HLNOAK
Helena
mer. 3/26
4:19 pm-11:43 pm
1 stop8h 24m
Best time to book a flight from Helena to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Helena with our price prediction graph.
Travel insights for flights from Helena to San Francisco Bay Area
Get recent, data-driven insights about flights from Helena to San Francisco Bay Area including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Helena to San Francisco Bay Area?
Currently, January is the cheapest month in which you can book a flight from Helena to San Francisco Bay Area (average of $276). Flying from Helena to San Francisco Bay Area in June is currently the most expensive (average of $403). 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 XIH?
Find hourly flight availability from Helena to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated février 20, 2025.
When flying from Helena to San Francisco Bay Area, 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 San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco Bay Area 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 Bay Area when rainfall is around 0.0 in.
Temperature in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco Bay Area, 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 Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated février 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Helena to San Francisco Bay Area by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Seleste,Dec 2024
FAT - SAN
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Seleste,Dec 2024
FAT - SAN
Related info for your journey
Find useful and relevant information for your journey from Helena to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Helena to San Francisco Bay Area
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Helena to San Francisco Bay Area
Discover the top airline that operate flights from Helena to San Francisco Bay Area. 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 février 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$382 | FlexibilityNo cancel fee | On-timeN/A |