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

According to our current data, Turkish Airlines ($741), Air France ($765), and Lufthansa ($768) offers the cheapest pricing from Helsinki to San Francisco. You may be able to fly from Helsinki to San Francisco for 13% 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 Delta ($786), Finnair ($830), and American Airlines ($858).

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

Travelers seeking maximum savings on their Helsinki 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.

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

The most popular airlines flying from Helsinki to San Francisco are American Airlines, Lufthansa and Scandinavian Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Helsinki to San Francisco?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

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

Users have found that booking a flight from Helsinki to San Francisco at least 25 days early can save you up to 19% on average compared to booking a flight this week. If booking 25 days before your flight isn’t an option for you, users have found flights from Helsinki to San Francisco for as little as $807 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $984 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to San Francisco. Flights to San Francisco from Helsinki in February are about $855 on average during February, but can be found for as low as $666.

Most accurate provider : When it comes to deals on Helsinki-San Francisco flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Helsinki-San Francisco flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$574+ Flights from Helsinki to San Francisco

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Find cheap flights from Helsinki to San Francisco 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.

Cheapflights Tip: The best prices from Helsinki-Vantaa to San Francisco are usually found in February or November, booked 77 days in advance, depart on a Wednesday or Friday and return on a Sunday

Cheap flight deals from Helsinki to San Francisco

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$741 (lol.travel)
One-way from	$574 (Trip.com)
Popular in	July
Cheapest in	February
Average price	$821

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 ($98 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 April 2025

Search Deals

Find 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 April 17, 2025.

Mon 5/57:35 pmHEL - SFO

1 stop31h 05mTurkish Airlines

Mon 5/196:45 pmSFO - HEL

1 stop30h 55mTurkish Airlines

Deal found 4/17

$741

Mon 5/57:00 amHEL - SFO

2 stops18h 08mAir France

Mon 5/198:25 pmSFO - HEL

1 stop16h 55mAir France

Deal found 4/17

$765

Fri 5/97:40 pmHEL - SFO

1 stop33h 20mLufthansa

Sun 5/252:40 pmSFO - HEL

1 stop24h 00mLufthansa

Deal found 4/16

$768

Tue 5/67:00 amHEL - SFO

2 stops19h 17mMultiple Airlines

Tue 5/133:05 pmSFO - HEL

1 stop22h 15mMultiple Airlines

Deal found 4/17

$773

Fri 5/97:00 amHEL - SFO

1 stop14h 45mDelta

Sun 5/2510:00 amSFO - HEL

2 stops20h 40mDelta

Deal found 4/16

$780

Tue 5/61:35 pmHEL - SFO

2 stops53h 53mUnited Airlines

Tue 5/1311:25 amSFO - HEL

2 stops39h 25mUnited Airlines

Deal found 4/17

$793

Wed 4/304:25 pmHEL - SFO

1 stop16h 44mBritish Airways

Wed 5/77:30 pmSFO - HEL

1 stop15h 30mBritish Airways

Deal found 4/16

$858

Mon 5/53:00 pmHEL - SFO

2 stops31h 59mIcelandair

Fri 5/96:00 amSFO - HEL

2 stops22h 00mIcelandair

Deal found 4/16

$904

Fri 5/3012:35 pmHEL - SFO

1 stop16h 41mAmerican Airlines

Wed 6/118:00 amSFO - HEL

1 stop16h 45mAmerican Airlines

Deal found 4/16

$933

Sun 5/47:00 amHEL - SFO

2 stops18h 46mKLM

Mon 5/199:20 pmSFO - HEL

2 stops17h 00mKLM

Deal found 4/16

$985

Sun 6/15:40 pmHEL - SFO

1 stop29h 00mBrussels Airlines

Sun 6/82:40 pmSFO - HEL

1 stop24h 00mBrussels Airlines

Deal found 4/17

$1,323

Mon 7/145:05 pmHEL - SFO

2 stops33h 25mScandinavian Airlines

Mon 7/2110:00 amSFO - HEL

3 stops20h 30mScandinavian Airlines

Deal found 4/16

$1,620

Best flights from Helsinki to San Francisco
Discover carefully curated flight deals from Helsinki to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Mon 5/57:35 pmHEL - SFO

1 stop31h 05mTurkish Airlines

Mon 5/196:45 pmSFO - HEL

1 stop30h 55mTurkish Airlines

Deal found 4/17

$741

Mon 5/57:00 amHEL - SFO

2 stops18h 08mAir France

Mon 5/198:25 pmSFO - HEL

1 stop16h 55mAir France

Deal found 4/17

$765

Fri 5/97:40 pmHEL - SFO

1 stop33h 20mLufthansa

Sun 5/252:40 pmSFO - HEL

1 stop24h 00mLufthansa

Deal found 4/16

$768

Tue 5/67:00 amHEL - SFO

2 stops19h 17mMultiple Airlines

Tue 5/133:05 pmSFO - HEL

1 stop22h 15mMultiple Airlines

Deal found 4/17

$773

Fri 5/97:00 amHEL - SFO

1 stop14h 45mDelta

Sun 5/2510:00 amSFO - HEL

2 stops20h 40mDelta

Deal found 4/16

$780

Tue 5/61:35 pmHEL - SFO

2 stops53h 53mUnited Airlines

Tue 5/1311:25 amSFO - HEL

2 stops39h 25mUnited Airlines

Deal found 4/17

$793

Wed 4/304:25 pmHEL - SFO

1 stop16h 44mBritish Airways

Wed 5/77:30 pmSFO - HEL

1 stop15h 30mBritish Airways

Deal found 4/16

$858

Mon 5/53:00 pmHEL - SFO

2 stops31h 59mIcelandair

Fri 5/96:00 amSFO - HEL

2 stops22h 00mIcelandair

Deal found 4/16

$904

Fri 5/3012:35 pmHEL - SFO

1 stop16h 41mAmerican Airlines

Wed 6/118:00 amSFO - HEL

1 stop16h 45mAmerican Airlines

Deal found 4/16

$933

Sun 5/47:00 amHEL - SFO

2 stops18h 46mKLM

Mon 5/199:20 pmSFO - HEL

2 stops17h 00mKLM

Deal found 4/16

$985

Sun 6/15:40 pmHEL - SFO

1 stop29h 00mBrussels Airlines

Sun 6/82:40 pmSFO - HEL

1 stop24h 00mBrussels Airlines

Deal found 4/17

$1,323

Mon 7/145:05 pmHEL - SFO

2 stops33h 25mScandinavian Airlines

Mon 7/2110:00 amSFO - HEL

3 stops20h 30mScandinavian Airlines

Deal found 4/16

$1,620

Last-minute flights from Helsinki to San Francisco
Discover last-minute flight deals from Helsinki to San Francisco. Data last updated April 17, 2025 and is based on user searches.

Wed 4/239:05 pmHEL - SFO

1 stop26h 45mBritish Airways

Wed 4/304:20 pmSFO - HEL

1 stop18h 40mBritish Airways

Deal found 4/16

$864

Wed 4/239:05 pmHEL - SFO

1 stop26h 45mMultiple Airlines

Wed 4/304:20 pmSFO - HEL

2 stops18h 45mMultiple Airlines

Deal found 4/16

$878

Wed 4/237:00 amHEL - SFO

2 stops21h 21mDelta

Wed 4/307:30 amSFO - HEL

2 stops23h 10mDelta

Deal found 4/16

$968

Wed 4/236:00 amHEL - SFO

2 stops38h 37mUnited Airlines

Tue 4/2912:08 amSFO - HEL

2 stops26h 42mUnited Airlines

Deal found 4/16

$1,019

Wed 4/237:35 pmHEL - SFO

1 stop31h 05mTurkish Airlines

Mon 5/56:45 pmSFO - HEL

1 stop37h 55mTurkish Airlines

Deal found 4/17

$4,754

Wed 4/236:10 amHEL - SFO

1 stop16h 30mBrussels Airlines

Tue 5/62:40 pmSFO - HEL

1 stop16h 10mBrussels Airlines

Deal found 4/17

$5,882

Thu 4/243:00 pmHEL - SFO

2 stops32h 05mIcelandair

Tue 5/66:00 amSFO - HEL

2 stops22h 00mIcelandair

Deal found 4/17

$3,670

Wed 4/304:25 pmHEL - SFO

1 stop16h 44mBritish Airways

Wed 5/77:30 pmSFO - HEL

1 stop15h 30mBritish Airways

Deal found 4/16

$858

Sun 5/47:00 amHEL - SFO

2 stops18h 46mKLM

Mon 5/199:20 pmSFO - HEL

2 stops17h 00mKLM

Deal found 4/16

$985

Mon 5/57:35 pmHEL - SFO

1 stop31h 05mTurkish Airlines

Mon 5/196:45 pmSFO - HEL

1 stop30h 55mTurkish Airlines

Deal found 4/17

$741

Mon 5/57:00 amHEL - SFO

2 stops18h 08mAir France

Mon 5/198:25 pmSFO - HEL

1 stop16h 55mAir France

Deal found 4/17

$765

Mon 5/53:00 pmHEL - SFO

2 stops31h 59mIcelandair

Fri 5/96:00 amSFO - HEL

2 stops22h 00mIcelandair

Deal found 4/16

$904

One-way flights from Helsinki to San Francisco
Search for one-way flight options from Helsinki to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Tue 9/303:40 pmHEL - SFO

2 stops32h 55mMultiple Airlines

Deal found 4/16

$574

Tue 9/307:00 amHEL - SFO

1 stop14h 45mDelta

Deal found 4/16

$786

Fri 7/1112:35 pmHEL - SFO

1 stop16h 12mFinnair

Deal found 4/17

$830

Fri 7/1112:35 pmHEL - SFO

2 stops19h 16mAmerican Airlines

Deal found 4/17

$858

Wed 7/212:35 pmHEL - SFO

1 stop18h 25mIberia

Deal found 4/16

$900

Thu 6/1212:50 pmHEL - SFO

1 stop35h 45mTAP AIR PORTUGAL

Deal found 4/16

$1,867

Cheapflights Fare Finder

Use the filters below to find and compare flights from Helsinki to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 5/5

7:35 pm-4:40 pm

1 stop31h 05m

San Francisco

Mon 5/19

6:45 pm-11:40 am

1 stop30h 55m

$741

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 5/5

7:00 am-3:08 pm

2 stops18h 08m

San Francisco

Mon 5/19

8:25 pm-11:20 pm

1 stop16h 55m

$765

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 5/9

7:40 pm-7:00 pm

1 stop33h 20m

San Francisco

Sun 5/25

2:40 pm-12:40 am

1 stop24h 00m

$768

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 5/6

7:00 am-4:17 pm

2 stops19h 17m

San Francisco

Tue 5/13

3:05 pm-11:20 pm

1 stop22h 15m

$773

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 5/9

7:00 am-11:45 am

1 stop14h 45m

San Francisco

Sun 5/25

10:00 am-4:40 pm

2 stops20h 40m

$780

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 5/6

1:35 pm-9:28 am

2 stops53h 53m

San Francisco

Tue 5/13

11:25 am-12:50 pm

2 stops39h 25m

$793

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 4/30

4:25 pm-11:09 pm

1 stop16h 44m

San Francisco

Wed 5/7

7:30 pm-9:00 pm

1 stop15h 30m

$858

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 5/5

3:00 pm-12:59 pm

2 stops31h 59m

San Francisco

Fri 5/9

6:00 am-2:00 pm

2 stops22h 00m

$904

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 5/30

12:35 pm-7:16 pm

1 stop16h 41m

San Francisco

Wed 6/11

8:00 am-10:45 am

1 stop16h 45m

$933

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 5/4

7:00 am-3:46 pm

2 stops18h 46m

San Francisco

Mon 5/19

9:20 pm-12:20 am

2 stops17h 00m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 19 results

Compare providers for flights from Helsinki to San Francisco

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 April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Helsinki-San Francisco flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

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 77 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, January is the cheapest month in which you can book a flight from Helsinki to San Francisco (average of $276). Flying from Helsinki to San Francisco in June is currently the most expensive (average of $393). 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 HEL to SFO?

A simple way to save on the total cost of your ticket is to fly from Helsinki to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight at noon.

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 in.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, 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

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Helsinki to San Francisco to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,327 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,667 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Helsinki to San Francisco round-trip?
According to our current data, Turkish Airlines ($741), Air France ($765), and Lufthansa ($768) offers the cheapest pricing from Helsinki to San Francisco. You may be able to fly from Helsinki to San Francisco for 13% 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 Delta ($786), Finnair ($830), and American Airlines ($858).
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, January is the cheapest month in which you can book a flight from Helsinki to San Francisco (average of $276). Flying from Helsinki to San Francisco in June is currently the most expensive (average of $393). 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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Turlock

South San Francisco

Fairfield

Manteca

Sausalito

Richmond

Watsonville

Hollister

Milpitas

Antioch

Vallejo

Newark

Hayward

Alameda

Sunnyvale

Livermore

Campbell

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Helsinki to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$683	Average$853	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$715	Average$863	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$768	Average$939	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$867	Average$960	FlexibilityNo cancel fee	On-time71%

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$574+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helsinki to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Helsinki-Vantaa to San Francisco are usually found in February or November, booked 77 days in advance, depart on a Wednesday or Friday and return on a Sunday

Cheap flight deals from Helsinki to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Helsinki to San Francisco

Cheapest flights from Helsinki to San FranciscoExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Helsinki to San Francisco that are best for you.

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 April.

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.

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 April 11, 2025.

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

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

Find hourly flight availability from Helsinki to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Rainfall in San Francisco by month

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

Temperature in San Francisco by month

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

Reviews of airlines servicing San Francisco

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Helsinki to San Francisco to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

Traveling to a place near Helsinki?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Helsinki to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Helsinki to San Francisco

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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 April 17, 2025.