What airlines fly to Helsinki?

Scandinavian Airlines, Finnair and Lufthansa are the top three most popular airlines that fly to Helsinki from San Francisco according to our data. Scandinavian Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 8 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from San Francisco to Helsinki?

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 12h 39m.

What is the cheapest airline that flies from San Francisco to Helsinki-Vantaa?

American Airlines and Air Canada are the most popular carriers operating from San Francisco to Helsinki-Vantaa

Which airport is the most popular layover for flights between San Francisco and Helsinki?

Frankfurt am Main (FRA) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Francisco to Helsinki?

Flights via Istanbul (IST) offer the lowest average round-trip price of $895.

Which layover airport has the shortest connection time from San Francisco to Helsinki?

Seattle (SEA) has the shortest average layover time for this route: 1h 27m.

When did momondo last update prices for flights from San Francisco Airport to Helsinki-Vantaa Airport?

Prices for flights from San Francisco Airport to Helsinki-Vantaa Airport refresh daily.

How many operators does momondo search for flights from San Francisco Airport to Helsinki-Vantaa Airport?

As of August 2026, there are 8 operators available to choose from for flights from San Francisco Airport to Helsinki-Vantaa Airport.

How old do you have to be to fly from San Francisco Airport to Helsinki-Vantaa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Helsinki-Vantaa Airport.

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$370 Cheap Flights from San Francisco to Helsinki in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Helsinki

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 6:45 pmSFO San Francisco-HEL Helsinki-Vantaa

26h 15m2 stops Vancouver Intl Munich Franz Josef Strauss

7:00 am - 12:35 pmHEL Helsinki-Vantaa-SFO San Francisco

15h 35m1 stop Frankfurt am Main

$814Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

12:15 pm - 1:55 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 40m1 stop New York John F Kennedy Intl

4:50 pm - 12:43 amHEL Helsinki-Vantaa-SFO San Francisco

17h 53m1 stop New York John F Kennedy Intl

$815Finnair

Tue, Nov 10 - Tue, Nov 17

4:45 pm - 8:25 pmSFO San Francisco-HEL Helsinki-Vantaa

17h 40m1 stop Kastrup Copenhagen

9:05 pm - 2:40 pmHEL Helsinki-Vantaa-SFO San Francisco

27h 35m1 stop Kastrup Copenhagen

$821Scandinavian Airlines

Sun, Sep 13 - Mon, Sep 28

8:40 am - 6:45 pmSFO San Francisco-HEL Helsinki-Vantaa

24h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

7:00 am - 8:32 pmHEL Helsinki-Vantaa-SFO San Francisco

23h 32m2 stops Frankfurt am Main Vancouver Intl

$823Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

4:45 pm - 8:25 pmSFO San Francisco-HEL Helsinki-Vantaa

17h 40m1 stop Kastrup Copenhagen

9:05 pm - 2:40 pmHEL Helsinki-Vantaa-SFO San Francisco

27h 35m1 stop Kastrup Copenhagen

$825Scandinavian Airlines

Sun, Sep 13 - Mon, Sep 28

3:10 pm - 4:40 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 30m1 stop Paris Charles de Gaulle

6:40 am - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

15h 05m1 stop Amsterdam Schiphol

$839Air France

Wed, Dec 30 - Thu, Jan 28

3:10 pm - 4:40 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 30m1 stop Paris Charles de Gaulle

2:05 pm - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

31h 40m1 stop Amsterdam Schiphol

$839Delta

Wed, Dec 30 - Thu, Jan 28

3:10 pm - 4:40 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 30m1 stop Paris Charles de Gaulle

6:40 am - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

15h 05m1 stop Amsterdam Schiphol

$839Delta

Wed, Dec 30 - Tue, Jan 26

1:50 pm - 5:25 pmSFO San Francisco-HEL Helsinki-Vantaa

17h 35m1 stop Amsterdam Schiphol

6:40 am - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

15h 05m1 stop Amsterdam Schiphol

$844Air France

Tue, Dec 29 - Thu, Jan 28

11:24 am - 1:55 pmSFO San Francisco-HEL Helsinki-Vantaa

16h 31m1 stop New York John F Kennedy Intl

4:50 pm - 12:43 amHEL Helsinki-Vantaa-SFO San Francisco

17h 53m1 stop New York John F Kennedy Intl

$864Finnair

Sun, Jan 17 - Sun, Jan 31

Cheap last minute flights

Enter your travel dates to find the best prices.

4:30 pm - 10:45 pmSFO San Francisco-HEL Helsinki-Vantaa

20h 15m1 stop Frankfurt am Main

7:40 am - 6:23 pmHEL Helsinki-Vantaa-SFO San Francisco

20h 43m2 stops Frankfurt am Main Los Angeles

$1,027Multiple Airlines

Mon, Aug 10 - Wed, Aug 26

6:00 am - 10:45 pmSFO San Francisco-HEL Helsinki-Vantaa

30h 45m2 stops Boston Logan Intl Frankfurt am Main

7:40 am - 6:23 pmHEL Helsinki-Vantaa-SFO San Francisco

20h 43m2 stops Frankfurt am Main Los Angeles

$1,072Multiple Airlines

Mon, Aug 10 - Wed, Aug 26

9:05 pm - 1:35 amSFO San Francisco-HEL Helsinki-Vantaa

18h 30m1 stop Munich Franz Josef Strauss

6:00 am - 7:00 pmHEL Helsinki-Vantaa-SFO San Francisco

23h 00m1 stop Munich Franz Josef Strauss

$1,089Lufthansa

Wed, Aug 12 - Tue, Aug 18

9:05 pm - 1:35 amSFO San Francisco-HEL Helsinki-Vantaa

18h 30m1 stop Munich Franz Josef Strauss

6:00 am - 7:00 pmHEL Helsinki-Vantaa-SFO San Francisco

23h 00m1 stop Munich Franz Josef Strauss

$1,091Lufthansa

Mon, Aug 10 - Wed, Aug 26

3:05 pm - 4:40 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 35m1 stop Paris Charles de Gaulle

7:00 am - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

$1,111Delta

Sun, Aug 9 - Thu, Aug 20

3:05 pm - 4:40 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 35m1 stop Paris Charles de Gaulle

7:00 am - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

$1,111Delta

Wed, Aug 12 - Fri, Aug 21

3:10 pm - 4:40 pmSFO San Francisco-HEL Helsinki-Vantaa

15h 30m1 stop Paris Charles de Gaulle

7:00 am - 11:45 amHEL Helsinki-Vantaa-SFO San Francisco

14h 45m1 stop Amsterdam Schiphol

$1,111Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

11:54 am - 1:30 amSFO San Francisco-HEL Helsinki-Vantaa

27h 36m2 stops Los Angeles Kastrup Copenhagen

11:15 am - 11:55 pmHEL Helsinki-Vantaa-SFO San Francisco

22h 40m2 stops Kastrup Copenhagen Los Angeles

$1,345Scandinavian Airlines

Thu, Aug 13 - Fri, Aug 21

11:54 am - 1:30 amSFO San Francisco-HEL Helsinki-Vantaa

27h 36m2 stops Los Angeles Kastrup Copenhagen

6:10 am - 2:40 pmHEL Helsinki-Vantaa-SFO San Francisco

18h 30m1 stop Kastrup Copenhagen

$1,350Scandinavian Airlines

Tue, Aug 11 - Sat, Aug 15

6:05 am - 6:55 pmSFO San Francisco-HEL Helsinki-Vantaa

26h 50m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:55 am - 7:53 pmHEL Helsinki-Vantaa-SFO San Francisco

22h 58m2 stops Frankfurt am Main Las Vegas Harry Reid Intl

$1,408United Airlines

Sun, Aug 9 - Mon, Aug 17

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Scandinavian Airlines flights from San Francisco to Helsinki

Our best Scandinavian Airlines deals on San Francisco to Helsinki flight tickets

Scandinavian Airlines

Sep 13

SFO4:45 pmSan Francisco

17h 40m

1 stop

HEL8:25 pmHelsinki-Vantaa

Sep 28

HEL9:05 pmHelsinki-Vantaa

27h 35m

1 stop

SFO2:40 pmSan Francisco

$821

Scandinavian Airlines

Sep 13

SFO4:45 pmSan Francisco

17h 40m

1 stop

HEL8:25 pmHelsinki-Vantaa

Sep 28

HEL9:05 pmHelsinki-Vantaa

27h 35m

1 stop

SFO2:40 pmSan Francisco

$825

Scandinavian Airlines

Sep 13

SFO4:45 pmSan Francisco

17h 40m

1 stop

HEL8:25 pmHelsinki-Vantaa

Sep 28

HEL9:05 pmHelsinki-Vantaa

27h 35m

1 stop

SFO2:40 pmSan Francisco

$828

Lufthansa flights from San Francisco to Helsinki

Our best Lufthansa deals on San Francisco to Helsinki flight tickets

Lufthansa

Nov 23

SFO2:45 pmSan Francisco

24h 45m

1 stop

HEL1:30 amHelsinki-Vantaa

Nov 30

HEL7:30 pmHelsinki-Vantaa

34h 05m

1 stop

SFO7:35 pmSan Francisco

$849

Lufthansa

Oct 13

SFO9:05 pmSan Francisco

18h 30m

1 stop

HEL1:35 amHelsinki-Vantaa

Oct 22

HEL6:35 amHelsinki-Vantaa

16h 05m

1 stop

SFO12:40 pmSan Francisco

$873

Lufthansa

Sep 22

SFO9:05 pmSan Francisco

18h 30m

1 stop

HEL1:35 amHelsinki-Vantaa

Sep 29

HEL7:05 amHelsinki-Vantaa

15h 35m

1 stop

SFO12:40 pmSan Francisco

$876

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Tue 11/10

6:30 am-6:45 pm

2 stops26h 15m

Helsinki-Vantaa

Tue 11/17

7:00 am-12:35 pm

1 stop15h 35m

$814

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Tue 11/10

12:15 pm-1:55 pm

1 stop15h 40m

Helsinki-Vantaa

Tue 11/17

4:50 pm-12:43 am

1 stop17h 53m

$815

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Sun 9/13

4:45 pm-8:25 pm

1 stop17h 40m

Helsinki-Vantaa

Mon 9/28

9:05 pm-2:40 pm

1 stop27h 35m

$821

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Tue 11/10

8:40 am-6:45 pm

2 stops24h 05m

Helsinki-Vantaa

Tue 11/17

7:00 am-8:32 pm

2 stops23h 32m

$823

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Sun 9/13

4:45 pm-8:25 pm

1 stop17h 40m

Helsinki-Vantaa

Mon 9/28

9:05 pm-2:40 pm

1 stop27h 35m

$825

Quickest round-trip

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Wed 12/30

3:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Thu 1/28

6:40 am-11:45 am

1 stop15h 05m

$839

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Wed 12/30

3:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Thu 1/28

2:05 pm-11:45 am

1 stop31h 40m

$839

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Wed 12/30

3:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Tue 1/26

6:40 am-11:45 am

1 stop15h 05m

$839

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Tue 12/29

1:50 pm-5:25 pm

1 stop17h 35m

Helsinki-Vantaa

Thu 1/28

6:40 am-11:45 am

1 stop15h 05m

$844

San FranciscoHelsinki

SFO San Francisco - HEL Helsinki-Vantaa

SFOHEL

San Francisco

Sun 1/17

11:24 am-1:55 pm

1 stop16h 31m

Helsinki-Vantaa

Sun 1/31

4:50 pm-12:43 am

1 stop17h 53m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between San Francisco and Helsinki?

Prices are currently low for flights on this route.

Typical prices usually range from $969 to $1,089.
The lowest price recently found on this route was $814.

What is the cheapest month to fly to Helsinki?

The month of February is, on average, the cheapest month to fly to Helsinki from San Francisco, with most prices found around $551. If you aren’t able to travel during the month of February, then book flights to Helsinki from San Francisco during October instead. Flights to Helsinki in October, while not as cheap as those in February, still average around $566.

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

You are more likely to see cheaper flights to Helsinki from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $900 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from San Francisco for as low as $743 on momondo.

How have San Francisco to Helsinki flight prices changed over time?

As of August 2026, prices for San Francisco to Helsinki flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to Helsinki (SFO to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Helsinki

Fastest flight time	12h 35m
Direct flights	None

The fastest flight from San Francisco to Helsinki takes 12h 35m

There are no direct flights from San Francisco to Helsinki. There are no popular flight routes from San Francisco to Helsinki.

Search flight deals

Frequently asked questions about flying from San Francisco to Helsinki

How far is San Francisco to Helsinki-Vantaa by plane?
San Francisco and Helsinki-Vantaa are 5415.9 mi apart from one another. In terms of flight time, this usually takes a little over 12h 35m.
When did momondo last update prices for flights from San Francisco Airport to Helsinki-Vantaa Airport?
Prices for flights from San Francisco Airport to Helsinki-Vantaa Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Helsinki-Vantaa Airport?
As of August 2026, there are 8 operators available to choose from for flights from San Francisco Airport to Helsinki-Vantaa Airport.
How old do you have to be to fly from San Francisco Airport to Helsinki-Vantaa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Francisco to Helsinki?
Based on momondo bookings for flights between San Francisco and Helsinki, the leading airline is Scandinavian Airlines, making up 29% of the total bookings. Other popular airlines include Finnair with 20%, Lufthansa with 17%, and American Airlines with 11%.

Best airlines flying from San Francisco to Helsinki

Compare and see reviews for airlines that fly from San Francisco to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $496	Free Cancellation	Rating 7.4 1,930 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $502	Free Cancellation	Rating 7.1 11,885 reviews	Search American Airlines flights
Finnair	PriceFrom $535	Free Cancellation	Rating 7.7 1,427 reviews	Search Finnair flights
Delta	PriceFrom $538	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
Lufthansa	PriceFrom $566	Free Cancellation	Rating 6.8 8,177 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $622	Free Cancellation	Rating 7.4 4,475 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $628	Free Cancellation	Rating 7.4 10,085 reviews	Search United Airlines flights
Air France	PriceFrom $971	Free Cancellation	Rating 7.5 1,637 reviews	Search Air France flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Helsinki?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to Helsinki with flexible booking policies on momondo?

Flights from San Francisco to Helsinki with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Helsinki.

I’m not ready to book a flight from San Francisco to Helsinki right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.