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Cheap flights from Helsinki to San Francisco from $435

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 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Scandinavian Airlines Logo
4:05 pm - 3:35 pm
HEL
-
SFO
32h 30m
1 stop
Scandinavian Airlines Logo
5:40 pm - 9:35 am
SFO
-
HEL
30h 55m
1 stop
$713Scandinavian Airlines
Sun, Mar 15 - Sat, Mar 28
Scandinavian Airlines Logo
4:05 pm - 3:35 pm
HEL
-
SFO
32h 30m
1 stop
Scandinavian Airlines Logo
5:40 pm - 9:35 am
SFO
-
HEL
30h 55m
1 stop
$714Scandinavian Airlines
Sun, Mar 15 - Sat, Mar 28
Scandinavian Airlines Logo
3:35 pm - 3:35 pm
HEL
-
SFO
33h 00m
2 stops
Scandinavian Airlines Logo
5:40 pm - 9:35 am
SFO
-
HEL
30h 55m
1 stop
$717Scandinavian Airlines
Sun, Mar 15 - Sat, Mar 28
Turkish Airlines Logo
12:05 pm - 10:50 am
HEL
-
SFO
32h 45m
1 stop
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
HEL
30h 25m
1 stop
$735Turkish Airlines
Thu, Apr 9 - Thu, Apr 23
Turkish Airlines Logo
12:30 pm - 5:45 pm
HEL
-
SFO
38h 15m
1 stop
Turkish Airlines Logo
12:55 pm - 11:10 am
SFO
-
HEL
36h 15m
1 stop
$737Turkish Airlines
Mon, Mar 23 - Tue, Apr 7
Scandinavian Airlines Logo
3:35 pm - 3:35 pm
HEL
-
SFO
33h 00m
2 stops
Scandinavian Airlines Logo
5:40 pm - 12:30 am
SFO
-
HEL
21h 50m
1 stop
$739Scandinavian Airlines
Sun, Mar 15 - Sat, Mar 28
Scandinavian Airlines Logo
3:35 pm - 3:35 pm
HEL
-
SFO
33h 00m
2 stops
Scandinavian Airlines Logo
5:40 pm - 12:30 am
SFO
-
HEL
21h 50m
1 stop
$757Scandinavian Airlines
Sun, Mar 15 - Sat, Mar 28
Scandinavian Airlines Logo
9:15 pm - 2:40 pm
HEL
-
SFO
27h 25m
2 stops
Scandinavian Airlines Logo
4:45 pm - 3:20 pm
SFO
-
HEL
12h 35m
1 stop
$783Scandinavian Airlines
Thu, Apr 9 - Thu, Apr 23
Multiple Airlines Logo
12:05 am - 3:35 pm
HEL
-
SFO
24h 30m
2 stops
Multiple Airlines Logo
5:40 pm - 10:25 pm
SFO
-
HEL
19h 45m
2 stops
$786Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Turkish Airlines Logo
8:20 am - 10:50 am
HEL
-
SFO
36h 30m
1 stop
Turkish Airlines Logo
6:45 pm - 6:40 pm
SFO
-
HEL
37h 55m
1 stop
$787Turkish Airlines
Thu, Apr 2 - Thu, Apr 9

American Airlines flights from Helsinki to San Francisco

Our best American Airlines deals on Helsinki to San Francisco flight tickets
American Airlines
Apr 4
HEL12:35 pmHelsinki-Vantaa
17h 22m
1 stop
SFO7:57 pmSan Francisco
Apr 11
SFO10:42 amSan Francisco
17h 33m
1 stop
HEL2:15 pmHelsinki-Vantaa
$924
American Airlines
May 27
HEL4:05 pmHelsinki-Vantaa
16h 01m
1 stop
SFO10:06 pmSan Francisco
Jun 5
SFO10:22 amSan Francisco
17h 38m
1 stop
HEL2:00 pmHelsinki-Vantaa
$948

Scandinavian Airlines flights from Helsinki to San Francisco

Our best Scandinavian Airlines deals on Helsinki to San Francisco flight tickets
Scandinavian Airlines
Mar 15
HEL4:05 pmHelsinki-Vantaa
32h 30m
1 stop
SFO3:35 pmSan Francisco
Mar 28
SFO5:40 pmSan Francisco
30h 55m
1 stop
HEL9:35 amHelsinki-Vantaa
$713
Scandinavian Airlines
Mar 15
HEL4:05 pmHelsinki-Vantaa
32h 30m
1 stop
SFO3:35 pmSan Francisco
Mar 28
SFO5:40 pmSan Francisco
30h 55m
1 stop
HEL9:35 amHelsinki-Vantaa
$714
Scandinavian Airlines
Mar 15
HEL3:35 pmHelsinki-Vantaa
33h 00m
2 stops
SFO3:35 pmSan Francisco
Mar 28
SFO5:40 pmSan Francisco
30h 55m
1 stop
HEL9:35 amHelsinki-Vantaa
$717

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 February 18, 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

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/15

4:05 pm-3:35 pm

1 stop32h 30m

San Francisco

Sat 3/28

5:40 pm-9:35 am

1 stop30h 55m

$713

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/15

4:05 pm-3:35 pm

1 stop32h 30m

San Francisco

Sat 3/28

5:40 pm-9:35 am

1 stop30h 55m

$714

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/15

3:35 pm-3:35 pm

2 stops33h 00m

San Francisco

Sat 3/28

5:40 pm-9:35 am

1 stop30h 55m

$717

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/9

12:05 pm-10:50 am

1 stop32h 45m

San Francisco

Thu 4/23

6:45 pm-11:10 am

1 stop30h 25m

$735

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 3/23

12:30 pm-5:45 pm

1 stop38h 15m

San Francisco

Tue 4/7

12:55 pm-11:10 am

1 stop36h 15m

$737

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/15

3:35 pm-3:35 pm

2 stops33h 00m

San Francisco

Sat 3/28

5:40 pm-12:30 am

1 stop21h 50m

$739

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 3/15

3:35 pm-3:35 pm

2 stops33h 00m

San Francisco

Sat 3/28

5:40 pm-12:30 am

1 stop21h 50m

$757

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/9

9:15 pm-2:40 pm

2 stops27h 25m

San Francisco

Thu 4/23

4:45 pm-3:20 pm

1 stop12h 35m

$783

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 3/16

12:05 am-3:35 pm

2 stops24h 30m

San Francisco

Tue 3/24

5:40 pm-10:25 pm

2 stops19h 45m

$786

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/2

8:20 am-10:50 am

1 stop36h 30m

San Francisco

Thu 4/9

6:45 pm-6:40 pm

1 stop37h 55m

$787

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September is also cheap. Prices for this month can be found on momondo for an average of $804.

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 $863 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 $717 on momondo.

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

As of February 2026, prices for Helsinki to San Francisco flights are approximately 8% cheaper 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

25h 15m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 25h 15m
There are no direct flights from Helsinki to San Francisco. There are no popular flight routes from Helsinki to San Francisco.
Search flight deals

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

    San Francisco is 5415.4 mi away from Helsinki-Vantaa. Flights usually cover this in 25h 15m, 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
1,688 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $811Free CancellationRating
6.8
7,790 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
Roseville
Hayward
Walnut Creek
Santa Clara
Calistoga
Berkeley
Big Sur
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Sunnyvale
Milpitas
Turlock

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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