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Cheap flights from Helsinki to San Francisco from $441

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to San Francisco departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Helsinki to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
7:35 pm - 10:50 am
HEL
-
SFO
25h 15m
1 stop
Turkish Airlines Logo
6:45 pm - 6:40 pm
SFO
-
HEL
37h 55m
1 stop
$815Turkish Airlines
Thu, Sep 10 - Mon, Sep 14
Turkish Airlines Logo
12:05 pm - 10:50 am
HEL
-
SFO
32h 45m
1 stop
Turkish Airlines Logo
12:55 pm - 6:40 pm
SFO
-
HEL
19h 45m
1 stop
$817Turkish Airlines
Thu, Sep 10 - Mon, Sep 14
Turkish Airlines Logo
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
12:55 pm - 11:10 am
SFO
-
HEL
36h 15m
1 stop
$838Turkish Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
7:40 am - 2:30 pm
HEL
-
SFO
16h 50m
1 stop
Multiple Airlines Logo
4:30 pm - 10:45 pm
SFO
-
HEL
20h 15m
1 stop
$883Multiple Airlines
Fri, Jun 26 - Tue, Jul 7
Multiple Airlines Logo
3:00 pm - 10:28 pm
HEL
-
SFO
17h 28m
2 stops
Multiple Airlines Logo
7:00 am - 2:00 pm
SFO
-
HEL
21h 00m
2 stops
$900Multiple Airlines
Sat, Apr 25 - Tue, May 5
Scandinavian Airlines Logo
9:05 pm - 2:40 pm
HEL
-
SFO
27h 35m
1 stop
Scandinavian Airlines Logo
4:45 pm - 10:35 am
SFO
-
HEL
31h 50m
1 stop
$913Scandinavian Airlines
Thu, Apr 30 - Thu, May 7
Scandinavian Airlines Logo
7:15 am - 2:40 pm
HEL
-
SFO
17h 25m
2 stops
Scandinavian Airlines Logo
4:45 pm - 8:25 pm
SFO
-
HEL
17h 40m
1 stop
$917Scandinavian Airlines
Thu, Sep 10 - Mon, Sep 14
Scandinavian Airlines Logo
7:15 am - 2:40 pm
HEL
-
SFO
17h 25m
2 stops
Scandinavian Airlines Logo
4:45 pm - 8:25 pm
SFO
-
HEL
17h 40m
1 stop
$919Scandinavian Airlines
Thu, Sep 10 - Mon, Sep 14
Lufthansa Logo
6:45 am - 12:40 pm
HEL
-
SFO
15h 55m
1 stop
Lufthansa Logo
9:05 pm - 1:35 am
SFO
-
HEL
18h 30m
1 stop
$921Lufthansa
Sun, May 3 - Sun, May 10
Multiple Airlines Logo
3:00 pm - 10:28 pm
HEL
-
SFO
17h 28m
2 stops
Multiple Airlines Logo
9:00 am - 2:00 pm
SFO
-
HEL
43h 00m
2 stops
$922Multiple Airlines
Thu, Apr 30 - Thu, May 7

Turkish Airlines flights from Helsinki to San Francisco

Our best Turkish Airlines deals on Helsinki to San Francisco flight tickets
Turkish Airlines
Apr 6
HEL7:35 pmHelsinki-Vantaa
25h 15m
1 stop
SFO10:50 amSan Francisco
Apr 20
SFO6:45 pmSan Francisco
30h 25m
1 stop
HEL11:10 amHelsinki-Vantaa
$733
Turkish Airlines
Apr 6
HEL8:20 amHelsinki-Vantaa
36h 30m
1 stop
SFO10:50 amSan Francisco
Apr 20
SFO12:55 pmSan Francisco
36h 15m
1 stop
HEL11:10 amHelsinki-Vantaa
$747
Turkish Airlines
Apr 6
HEL8:20 amHelsinki-Vantaa
36h 30m
1 stop
SFO10:50 amSan Francisco
Apr 20
SFO6:45 pmSan Francisco
30h 25m
1 stop
HEL11:10 amHelsinki-Vantaa
$761

KLM flights from Helsinki to San Francisco

Our best KLM deals on Helsinki to San Francisco flight tickets
KLM
Apr 16
HEL7:00 amHelsinki-Vantaa
14h 45m
1 stop
SFO11:45 amSan Francisco
Apr 20
SFO10:32 amSan Francisco
16h 33m
2 stops
HEL1:05 pmHelsinki-Vantaa
$935
KLM
May 4
HEL6:25 pmHelsinki-Vantaa
27h 20m
1 stop
SFO11:45 amSan Francisco
May 11
SFO1:45 pmSan Francisco
17h 55m
2 stops
HEL5:40 pmHelsinki-Vantaa
$942
KLM
Apr 16
HEL7:00 amHelsinki-Vantaa
20h 21m
2 stops
SFO5:21 pmSan Francisco
Apr 20
SFO10:32 amSan Francisco
16h 33m
2 stops
HEL1:05 pmHelsinki-Vantaa
$944

momondo 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, momondo users made 832,500 searches. Data last updated April 4, 2026.
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

Cheapest round-trip

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 9/10

7:35 pm-10:50 am

1 stop25h 15m

San Francisco

Mon 9/14

6:45 pm-6:40 pm

1 stop37h 55m

$815

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 9/10

12:05 pm-10:50 am

1 stop32h 45m

San Francisco

Mon 9/14

12:55 pm-6:40 pm

1 stop19h 45m

$817

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/16

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Mon 4/20

12:55 pm-11:10 am

1 stop36h 15m

$838

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 6/26

7:40 am-2:30 pm

1 stop16h 50m

San Francisco

Tue 7/7

4:30 pm-10:45 pm

1 stop20h 15m

$883

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sat 4/25

3:00 pm-10:28 pm

2 stops17h 28m

San Francisco

Tue 5/5

7:00 am-2:00 pm

2 stops21h 00m

$900

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/30

9:05 pm-2:40 pm

1 stop27h 35m

San Francisco

Thu 5/7

4:45 pm-10:35 am

1 stop31h 50m

$913

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 9/10

7:15 am-2:40 pm

2 stops17h 25m

San Francisco

Mon 9/14

4:45 pm-8:25 pm

1 stop17h 40m

$917

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 9/10

7:15 am-2:40 pm

2 stops17h 25m

San Francisco

Mon 9/14

4:45 pm-8:25 pm

1 stop17h 40m

$919
Quickest round-trip

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 5/3

6:45 am-12:40 pm

1 stop15h 55m

San Francisco

Sun 5/10

9:05 pm-1:35 am

1 stop18h 30m

$921

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/30

3:00 pm-10:28 pm

2 stops17h 28m

San Francisco

Thu 5/7

9:00 am-2:00 pm

2 stops43h 00m

$922

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

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

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

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

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $808.

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

You are more likely to see cheaper flights to San Francisco from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $898 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Helsinki for as low as $764 on momondo.

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

As of April 2026, prices for Helsinki to San Francisco flights are approximately 77% more expensive when compared to flights at the same time last year.

When to book flights from Helsinki to San Francisco

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

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

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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 16h 10m
There are no direct flights from Helsinki to San Francisco. There are no popular flight routes from Helsinki to San Francisco.
Search flight deals

Frequently asked questions about flying from Helsinki to San Francisco

  • How far is Helsinki-Vantaa to San Francisco by plane?

    San Francisco is 5415.9 mi away from Helsinki-Vantaa. Flights usually cover this in 16h 10m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helsinki-Vantaa Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Helsinki to San Francisco?

Best airlines flying from Helsinki to San Francisco

Compare and see reviews for airlines that fly from Helsinki to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $682Free CancellationRating
7.3
1,740 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $811Free CancellationRating
6.8
7,893 reviews
Search Lufthansa flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Walnut Creek
Roseville
Hayward
Berkeley
Santa Clara
Big Sur
Fremont
Vallejo
Calistoga
Salinas
Daly City
Half Moon Bay
Milpitas
South San Francisco
Pacific Grove

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helsinki to San Francisco. momondo saves you time and could save you money on your trip.

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

Yes. All flights to San Francisco from Helsinki on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Helsinki.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Helsinki and alert you when they change.

An easier way to manage your San Francisco trip

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