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$437+ Cheap flights from Helsinki (HEL) to San Francisco (SFO)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SFO
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Helsinki to San Francisco

Cheapest flights from Helsinki to San Francisco
Explore the most affordable flight options available from Helsinki to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:40 pm
HEL
-
SFO
2 stops29h 10m
Multiple Airlines
Wed 3/112:55 pm
SFO
-
HEL
2 stops22h 30m
Multiple Airlines
Deal found 1/25$582
This Flightnetwork deal was found by Cheapflights users on 1/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/84:05 pm
HEL
-
SFO
1 stop32h 30m
Scandinavian Airlines
Mon 3/235:40 pm
SFO
-
HEL
2 stops21h 05m
Scandinavian Airlines
Deal found 1/25$732
This Travelis deal was found by Cheapflights users on 1/25. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 pm
HEL
-
SFO
1 stop31h 45m
Turkish Airlines
Mon 3/237:50 pm
SFO
-
HEL
1 stop30h 45m
Turkish Airlines
Deal found 1/25$765
This SmartFares deal was found by Cheapflights users on 1/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:30 pm
HEL
-
SFO
1 stop38h 15m
Turkish Airlines
Wed 3/187:50 pm
SFO
-
HEL
1 stop37h 15m
Turkish Airlines
Deal found 1/25$775
This Scandinavian Airlines deal was found by Cheapflights users on 1/24. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:00 pm
HEL
-
SFO
1 stop27h 35m
Scandinavian Airlines
Mon 11/94:40 pm
SFO
-
HEL
1 stop12h 45m
Scandinavian Airlines
Deal found 1/24$782
This Flightnetwork deal was found by Cheapflights users on 1/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:05 pm
HEL
-
SFO
1 stop32h 30m
Scandinavian Airlines
Thu 3/195:40 pm
SFO
-
HEL
1 stop32h 00m
Scandinavian Airlines
Deal found 1/26$794

Find flight deals from Helsinki to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$582
(Mytrip)

One-way from

$437
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$851
Provider with most accurate pricing for Helsinki-Vantaa-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-San Francisco flights.
Search Deals
From Helsinki-Vantaa to San Francisco
Search Deals
One-way flight from Helsinki-Vantaa to San Francisco
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helsinki 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 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Helsinki to San Francisco that are best for you.

Fly from

Helsinki

Fly to

San Francisco

Route

Depart

Return

Price

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 2/26

4:40 pm-11:50 am

2 stops29h 10m

San Francisco

Wed 3/11

2:55 pm-10:25 pm

2 stops22h 30m

$582

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/8

4:05 pm-3:35 pm

1 stop32h 30m

San Francisco

Mon 3/23

5:40 pm-11:45 pm

2 stops21h 05m

$732

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/8

7:00 pm-5:45 pm

1 stop31h 45m

San Francisco

Mon 3/23

7:50 pm-11:35 am

1 stop30h 45m

$765

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 3/12

4:05 pm-3:35 pm

1 stop32h 30m

San Francisco

Thu 3/19

5:40 pm-10:40 am

1 stop32h 00m

$794

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 3/11

4:00 pm-5:30 pm

2 stops34h 30m

San Francisco

Wed 3/18

8:25 pm-10:25 am

3 stops29h 00m

$796

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 3/12

3:30 pm-3:35 pm

3 stops33h 05m

San Francisco

Thu 3/19

5:40 pm-11:45 pm

3 stops21h 05m

$798

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 2/23

6:20 pm-11:50 am

1 stop27h 30m

San Francisco

Mon 3/2

1:55 pm-5:25 pm

1 stop17h 30m

$820

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 2/10

11:45 am-2:30 pm

3 stops36h 45m

$437

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 2/11

7:40 am-9:18 am

3 stops59h 38m

$445

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 2/13

7:00 am-2:45 pm

3 stops41h 45m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 13 results
1
2

Compare providers for flights from Helsinki to San Francisco

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 Helsinki to San Francisco in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Helsinki-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helsinki-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub 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 Helsinki-San Francisco 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 Helsinki to San Francisco

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

How far ahead should I book a flight from Helsinki to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Helsinki to San Francisco. Price data was last updated on January 23, 2026.

The price you pay for your flight from Helsinki to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Helsinki to San Francisco (average of $566). Flying from Helsinki to San Francisco in July is currently the most expensive (average of $829). 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.

How much does it cost to fly round-trip from Helsinki to San Francisco?

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 January 26, 2026.
Get a feel of what it's like to fly with Scandinavian Airlines and Lufthansa from Helsinki to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.3
Good
1,667 reviews

Boarding

7.6

Food

6.6

Entertainment

6.6

Comfort

7.3

Overall

7.3

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Scandinavian Airlines
7.3
Good
1,667 reviews
Scandinavian Airlines
7.3
Good
1,667 reviews

Boarding

7.6

Food

6.6

Entertainment

6.6

Comfort

7.3

Overall

7.3

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Lufthansa
6.8
Okay
7,747 reviews
Scandinavian Airlines
7.3
Good
1,667 reviews

Boarding

7.6

Food

6.6

Entertainment

6.6

Comfort

7.3

Overall

7.3

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that

Related info for your journey

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

  • How long is the flight from Helsinki to San Francisco?

    A quick flight from Helsinki to San Francisco can take about 32h 30m. Scandinavian Airlines provides one of the quickest options available for as low as $732. There are 5417 mi between Helsinki and San Francisco.

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

    According to our current data, Scandinavian Airlines ($682), and Lufthansa ($811) offers the cheapest pricing from Helsinki to San Francisco. You may be able to fly from Helsinki to San Francisco for 21% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Helsinki to San Francisco one-way?

    The cheapest airlines for a one-way flight from Helsinki to San Francisco are Scandinavian Airlines ($494), Lufthansa ($645), and Finnair ($659).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helsinki 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.

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

    Currently, April is the cheapest month in which you can book a flight from Helsinki to San Francisco (average of $566). Flying from Helsinki to San Francisco in July is currently the most expensive (average of $829). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Helsinki to San Francisco

Discover the top 2 airlines that operate flights from Helsinki 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 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$682Average$829FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$811Average$945FlexibilityNo cancel feeOn-time76%

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