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Cheap flights from Helsinki to San Francisco from $395

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 3/18. 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.
Multiple Airlines Logo
4:40 pm - 2:35 pm
HEL
-
SFO
31h 55m
2 stops
Multiple Airlines Logo
4:40 pm - 7:20 pm
SFO
-
HEL
16h 40m
2 stops
$555Multiple Airlines
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
7:40 am - 2:35 pm
HEL
-
SFO
16h 55m
2 stops
Multiple Airlines Logo
4:40 pm - 10:25 pm
SFO
-
HEL
19h 45m
2 stops
$579Multiple Airlines
Thu, Feb 5 - Thu, Feb 19
Multiple Airlines Logo
7:00 am - 2:35 pm
HEL
-
SFO
17h 35m
2 stops
Multiple Airlines Logo
4:40 pm - 8:00 am
SFO
-
HEL
29h 20m
3 stops
$606Multiple Airlines
Thu, Feb 5 - Thu, Feb 19
Multiple Airlines Logo
7:40 am - 7:45 pm
HEL
-
SFO
21h 05m
2 stops
Multiple Airlines Logo
10:40 pm - 11:35 pm
SFO
-
HEL
15h 55m
1 stop
$608Multiple Airlines
Wed, Mar 11 - Wed, Mar 25
Multiple Airlines Logo
7:20 am - 2:35 pm
HEL
-
SFO
17h 15m
2 stops
Multiple Airlines Logo
4:40 pm - 10:25 pm
SFO
-
HEL
19h 45m
3 stops
$610Multiple Airlines
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
7:40 am - 7:45 pm
HEL
-
SFO
45h 05m
2 stops
Multiple Airlines Logo
10:40 pm - 8:50 am
SFO
-
HEL
25h 10m
2 stops
$644Multiple Airlines
Wed, Mar 11 - Wed, Mar 25
Multiple Airlines Logo
9:05 pm - 2:35 pm
HEL
-
SFO
27h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 11:15 pm
SFO
-
HEL
20h 35m
2 stops
$658Multiple Airlines
Sun, Feb 8 - Sun, Feb 22
Scandinavian Airlines Logo
7:00 am - 2:35 pm
HEL
-
SFO
17h 35m
2 stops
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m
1 stop
$665Scandinavian Airlines
Thu, Feb 5 - Thu, Feb 19
Scandinavian Airlines Logo
9:45 pm - 2:35 pm
HEL
-
SFO
26h 50m
2 stops
Scandinavian Airlines Logo
4:40 pm - 8:20 pm
SFO
-
HEL
17h 40m
1 stop
$669Scandinavian Airlines
Thu, Feb 26 - Thu, Mar 5
Scandinavian Airlines Logo
6:15 am - 2:35 pm
HEL
-
SFO
18h 20m
1 stop
Scandinavian Airlines Logo
4:40 pm - 3:25 pm
SFO
-
HEL
12h 45m
1 stop
$681Scandinavian Airlines
Fri, Feb 27 - Fri, Mar 6

Scandinavian Airlines flights from Helsinki to San Francisco

Our best Scandinavian Airlines deals on Helsinki to San Francisco flight tickets
Scandinavian Airlines
Feb 5
HEL7:00 amHelsinki-Vantaa
17h 35m
2 stops
SFO2:35 pmSan Francisco
Feb 19
SFO4:40 pmSan Francisco
12h 45m
1 stop
HEL3:25 pmHelsinki-Vantaa
$665
Scandinavian Airlines
Feb 26
HEL9:45 pmHelsinki-Vantaa
26h 50m
2 stops
SFO2:35 pmSan Francisco
Mar 5
SFO4:40 pmSan Francisco
17h 40m
1 stop
HEL8:20 pmHelsinki-Vantaa
$669
Scandinavian Airlines
Feb 27
HEL6:15 amHelsinki-Vantaa
18h 20m
1 stop
SFO2:35 pmSan Francisco
Mar 6
SFO4:40 pmSan Francisco
12h 45m
1 stop
HEL3:25 pmHelsinki-Vantaa
$681

Delta flights from Helsinki to San Francisco

Our best Delta deals on Helsinki to San Francisco flight tickets
Delta
Feb 5
HEL7:00 amHelsinki-Vantaa
14h 50m
1 stop
SFO11:50 amSan Francisco
Feb 19
SFO5:55 amSan Francisco
24h 30m
2 stops
HEL4:25 pmHelsinki-Vantaa
$691
Delta
Feb 5
HEL7:00 amHelsinki-Vantaa
14h 50m
1 stop
SFO11:50 amSan Francisco
Feb 19
SFO1:55 pmSan Francisco
17h 30m
1 stop
HEL5:25 pmHelsinki-Vantaa
$697
Delta
Feb 6
HEL7:00 amHelsinki-Vantaa
14h 50m
1 stop
SFO11:50 amSan Francisco
Feb 16
SFO5:45 amSan Francisco
24h 40m
2 stops
HEL4:25 pmHelsinki-Vantaa
$822

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 January 14, 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

Thu 2/26

4:40 pm-2:35 pm

2 stops31h 55m

San Francisco

Thu 3/5

4:40 pm-7:20 pm

2 stops16h 40m

$555

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 2/5

7:40 am-2:35 pm

2 stops16h 55m

San Francisco

Thu 2/19

4:40 pm-10:25 pm

2 stops19h 45m

$579

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 2/5

7:00 am-2:35 pm

2 stops17h 35m

San Francisco

Thu 2/19

4:40 pm-8:00 am

3 stops29h 20m

$606

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 3/11

7:40 am-7:45 pm

2 stops21h 05m

San Francisco

Wed 3/25

10:40 pm-11:35 pm

1 stop15h 55m

$608

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 2/26

7:20 am-2:35 pm

2 stops17h 15m

San Francisco

Thu 3/5

4:40 pm-10:25 pm

3 stops19h 45m

$610

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 3/11

7:40 am-7:45 pm

2 stops45h 05m

San Francisco

Wed 3/25

10:40 pm-8:50 am

2 stops25h 10m

$644

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sun 2/8

9:05 pm-2:35 pm

2 stops27h 30m

San Francisco

Sun 2/22

4:40 pm-11:15 pm

2 stops20h 35m

$658

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 2/5

7:00 am-2:35 pm

2 stops17h 35m

San Francisco

Thu 2/19

4:40 pm-3:25 pm

1 stop12h 45m

$665

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 2/26

9:45 pm-2:35 pm

2 stops26h 50m

San Francisco

Thu 3/5

4:40 pm-8:20 pm

1 stop17h 40m

$669

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 2/27

6:15 am-2:35 pm

1 stop18h 20m

San Francisco

Fri 3/6

4:40 pm-3:25 pm

1 stop12h 45m

$681

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 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 April is also cheap. Prices for this month can be found on momondo for an average of $801.

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 $866 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 $769 on momondo.

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

As of January 2026, prices for Helsinki to San Francisco flights are approximately 87% 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 55m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 16h 55m
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 16h 55m, 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
1,649 reviews
Search Scandinavian Airlines 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
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Fremont
Half Moon Bay
Daly City
Vallejo
Livermore
Salinas
Sunnyvale
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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