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Cheap flights from Helsinki to San Francisco from $383

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 4/27. 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.
Multiple Airlines Logo
3:40 pm - 11:45 am
HEL
-
SFO
30h 05m
2 stops
Multiple Airlines Logo
1:45 pm - 9:20 pm
SFO
-
HEL
21h 35m
2 stops
$678Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
3:40 pm - 11:45 am
HEL
-
SFO
30h 05m
3 stops
Multiple Airlines Logo
1:45 pm - 6:20 pm
SFO
-
HEL
18h 35m
2 stops
$707Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Turkish Airlines Logo
8:20 am - 10:50 am
HEL
-
SFO
36h 30m
1 stop
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
HEL
30h 25m
1 stop
$722Turkish Airlines
Thu, Apr 9 - Wed, Apr 22
Turkish Airlines Logo
8:20 am - 10:50 am
HEL
-
SFO
36h 30m
1 stop
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
HEL
30h 25m
1 stop
$735Turkish Airlines
Mon, Apr 6 - Mon, Apr 20
Turkish Airlines Logo
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
6:45 pm - 6:40 pm
SFO
-
HEL
37h 55m
1 stop
$740Turkish Airlines
Mon, Apr 6 - Mon, Apr 20
Turkish Airlines Logo
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
6:45 pm - 11:55 pm
SFO
-
HEL
19h 10m
1 stop
$747Turkish Airlines
Thu, Apr 30 - Thu, May 7
Turkish Airlines Logo
8:20 am - 10:50 am
HEL
-
SFO
36h 30m
1 stop
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
HEL
30h 25m
1 stop
$750Turkish Airlines
Thu, Apr 9 - Wed, Apr 22
Turkish Airlines Logo
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
6:45 pm - 11:55 pm
SFO
-
HEL
19h 10m
1 stop
$755Turkish Airlines
Tue, Apr 14 - Tue, Apr 21
Turkish Airlines Logo
8:20 am - 10:50 am
HEL
-
SFO
36h 30m
1 stop
Turkish Airlines Logo
12:55 pm - 11:10 am
SFO
-
HEL
36h 15m
1 stop
$756Turkish Airlines
Mon, Apr 6 - Fri, Apr 10
Turkish Airlines Logo
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
6:45 pm - 6:40 pm
SFO
-
HEL
37h 55m
1 stop
$761Turkish Airlines
Tue, Mar 31 - Thu, Apr 9

Turkish Airlines flights from Helsinki to San Francisco

Our best Turkish Airlines deals on Helsinki to San Francisco flight tickets
Turkish Airlines
Apr 9
HEL8:20 amHelsinki-Vantaa
36h 30m
1 stop
SFO10:50 amSan Francisco
Apr 22
SFO6:45 pmSan Francisco
30h 25m
1 stop
HEL11:10 amHelsinki-Vantaa
$722
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
$735
Turkish Airlines
Apr 6
HEL8:20 amHelsinki-Vantaa
18h 20m
1 stop
SFO4:40 pmSan Francisco
Apr 20
SFO6:45 pmSan Francisco
37h 55m
1 stop
HEL6:40 pmHelsinki-Vantaa
$740

KLM flights from Helsinki to San Francisco

Our best KLM deals on Helsinki to San Francisco flight tickets
KLM
Apr 9
HEL7:00 amHelsinki-Vantaa
21h 19m
2 stops
SFO6:19 pmSan Francisco
Apr 22
SFO10:32 amSan Francisco
16h 33m
2 stops
HEL1:05 pmHelsinki-Vantaa
$887
KLM
Mar 31
HEL7:00 amHelsinki-Vantaa
19h 04m
2 stops
SFO4:04 pmSan Francisco
Apr 7
SFO1:05 pmSan Francisco
18h 35m
2 stops
HEL5:40 pmHelsinki-Vantaa
$977
KLM
Mar 31
HEL7:00 amHelsinki-Vantaa
19h 10m
2 stops
SFO4:10 pmSan Francisco
Apr 6
SFO10:31 amSan Francisco
16h 34m
2 stops
HEL1:05 pmHelsinki-Vantaa
$1,016

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 March 19, 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

Tue 4/14

3:40 pm-11:45 am

2 stops30h 05m

San Francisco

Tue 4/21

1:45 pm-9:20 pm

2 stops21h 35m

$678

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 4/14

3:40 pm-11:45 am

3 stops30h 05m

San Francisco

Tue 4/21

1:45 pm-6:20 pm

2 stops18h 35m

$707

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/9

8:20 am-10:50 am

1 stop36h 30m

San Francisco

Wed 4/22

6:45 pm-11:10 am

1 stop30h 25m

$722

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 4/6

8:20 am-10:50 am

1 stop36h 30m

San Francisco

Mon 4/20

6:45 pm-11:10 am

1 stop30h 25m

$735

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 4/6

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Mon 4/20

6:45 pm-6:40 pm

1 stop37h 55m

$740
Quickest round-trip

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/30

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Thu 5/7

6:45 pm-11:55 pm

1 stop19h 10m

$747

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 4/9

8:20 am-10:50 am

1 stop36h 30m

San Francisco

Wed 4/22

6:45 pm-11:10 am

1 stop30h 25m

$750

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 4/14

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Tue 4/21

6:45 pm-11:55 pm

1 stop19h 10m

$755

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 4/6

8:20 am-10:50 am

1 stop36h 30m

San Francisco

Fri 4/10

12:55 pm-11:10 am

1 stop36h 15m

$756

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 3/31

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Thu 4/9

6:45 pm-6:40 pm

1 stop37h 55m

$761

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 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 $880 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 $723 on momondo.

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

As of March 2026, prices for Helsinki to San Francisco flights are approximately 1% 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

18h 20m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 18h 20m
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 18h 20m, 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
1,719 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
Walnut Creek
Roseville
Hayward
Berkeley
Santa Clara
Big Sur
Fremont
Calistoga
Vallejo
Salinas
Half Moon Bay
Daly City
Milpitas
Pacific Grove
South San Francisco

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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