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Cheap flights from Helsinki to San Francisco from $475

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 5/26. 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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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
8:20 am - 4:40 pm
HEL
-
SFO
18h 20m
1 stop
Turkish Airlines Logo
6:45 pm - 11:10 am
SFO
-
HEL
30h 25m
1 stop
$891Turkish Airlines
Sat, Sep 12 - Sat, Sep 19
Lufthansa Logo
6:55 am - 3:15 pm
HEL
-
SFO
18h 20m
1 stop
Lufthansa Logo
9:05 pm - 1:35 am
SFO
-
HEL
18h 30m
1 stop
$937Lufthansa
Fri, Jun 19 - Sat, Jul 4
Lufthansa Logo
6:55 am - 3:15 pm
HEL
-
SFO
18h 20m
1 stop
Lufthansa Logo
9:05 pm - 1:35 am
SFO
-
HEL
18h 30m
1 stop
$947Lufthansa
Fri, Jun 19 - Sat, Jul 4
Lufthansa Logo
6:00 am - 2:20 pm
HEL
-
SFO
18h 20m
1 stop
Lufthansa Logo
2:00 pm - 1:35 am
SFO
-
HEL
25h 35m
1 stop
$951Lufthansa
Sat, May 30 - Sun, Aug 9
United Airlines Logo
6:35 am - 3:22 pm
HEL
-
SFO
18h 47m
2 stops
United Airlines Logo
3:10 pm - 12:30 am
SFO
-
HEL
23h 20m
2 stops
$963United Airlines
Wed, Jun 3 - Mon, Jun 29
United Airlines Logo
6:35 am - 12:40 pm
HEL
-
SFO
16h 05m
1 stop
United Airlines Logo
12:35 pm - 12:40 am
SFO
-
HEL
26h 05m
2 stops
$964United Airlines
Wed, May 27 - Wed, Jun 10
Lufthansa Logo
6:35 am - 3:15 pm
HEL
-
SFO
18h 40m
1 stop
Lufthansa Logo
9:05 pm - 12:05 pm
SFO
-
HEL
29h 00m
1 stop
$965Lufthansa
Wed, Jun 3 - Mon, Jun 29
United Airlines Logo
6:35 am - 7:24 pm
HEL
-
SFO
22h 49m
2 stops
United Airlines Logo
5:00 am - 1:10 pm
SFO
-
HEL
22h 10m
2 stops
$968United Airlines
Wed, Jun 10 - Mon, Jun 29
United Airlines Logo
6:35 am - 12:05 am
HEL
-
SFO
27h 30m
3 stops
United Airlines Logo
3:10 pm - 12:30 am
SFO
-
HEL
23h 20m
2 stops
$969United Airlines
Wed, Jun 3 - Mon, Jun 29
United Airlines Logo
6:35 am - 5:42 pm
HEL
-
SFO
21h 07m
2 stops
United Airlines Logo
12:35 pm - 12:40 am
SFO
-
HEL
26h 05m
2 stops
$970United Airlines
Wed, May 27 - Wed, Jun 10

Scandinavian Airlines flights from Helsinki to San Francisco

Our best Scandinavian Airlines deals on Helsinki to San Francisco flight tickets
Scandinavian Airlines
Oct 21
HEL6:10 amHelsinki-Vantaa
18h 30m
1 stop
SFO2:40 pmSan Francisco
Oct 24
SFO4:45 pmSan Francisco
14h 20m
2 stops
HEL5:05 pmHelsinki-Vantaa
$981
Scandinavian Airlines
Oct 21
HEL7:15 amHelsinki-Vantaa
17h 25m
2 stops
SFO2:40 pmSan Francisco
Oct 24
SFO4:45 pmSan Francisco
14h 20m
2 stops
HEL5:05 pmHelsinki-Vantaa
$1,030
Scandinavian Airlines
May 27
HEL11:15 amHelsinki-Vantaa
13h 25m
1 stop
SFO2:40 pmSan Francisco
Jun 17
SFO4:45 pmSan Francisco
31h 50m
1 stop
HEL10:35 amHelsinki-Vantaa
$1,035

United Airlines flights from Helsinki to San Francisco

Our best United Airlines deals on Helsinki to San Francisco flight tickets
United Airlines
Jun 3
HEL6:35 amHelsinki-Vantaa
18h 47m
2 stops
SFO3:22 pmSan Francisco
Jun 29
SFO3:10 pmSan Francisco
23h 20m
2 stops
HEL12:30 amHelsinki-Vantaa
$963
United Airlines
May 27
HEL6:35 amHelsinki-Vantaa
16h 05m
1 stop
SFO12:40 pmSan Francisco
Jun 10
SFO12:35 pmSan Francisco
26h 05m
2 stops
HEL12:40 amHelsinki-Vantaa
$964
United Airlines
Jun 10
HEL6:35 amHelsinki-Vantaa
22h 49m
2 stops
SFO7:24 pmSan Francisco
Jun 29
SFO5:00 amSan Francisco
22h 10m
2 stops
HEL1:10 pmHelsinki-Vantaa
$968

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 May 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

Cheapest round-trip

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sat 9/12

8:20 am-4:40 pm

1 stop18h 20m

San Francisco

Sat 9/19

6:45 pm-11:10 am

1 stop30h 25m

$891
Quickest round-trip

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 6/19

6:55 am-3:15 pm

1 stop18h 20m

San Francisco

Sat 7/4

9:05 pm-1:35 am

1 stop18h 30m

$937

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 6/19

6:55 am-3:15 pm

1 stop18h 20m

San Francisco

Sat 7/4

9:05 pm-1:35 am

1 stop18h 30m

$947

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sat 5/30

6:00 am-2:20 pm

1 stop18h 20m

San Francisco

Sun 8/9

2:00 pm-1:35 am

1 stop25h 35m

$951

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 6/3

6:35 am-3:22 pm

2 stops18h 47m

San Francisco

Mon 6/29

3:10 pm-12:30 am

2 stops23h 20m

$963

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 5/27

6:35 am-12:40 pm

1 stop16h 05m

San Francisco

Wed 6/10

12:35 pm-12:40 am

2 stops26h 05m

$964

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 6/3

6:35 am-3:15 pm

1 stop18h 40m

San Francisco

Mon 6/29

9:05 pm-12:05 pm

1 stop29h 00m

$965

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 6/10

6:35 am-7:24 pm

2 stops22h 49m

San Francisco

Mon 6/29

5:00 am-1:10 pm

2 stops22h 10m

$968

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 6/3

6:35 am-12:05 am

3 stops27h 30m

San Francisco

Mon 6/29

3:10 pm-12:30 am

2 stops23h 20m

$969

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Wed 5/27

6:35 am-5:42 pm

2 stops21h 07m

San Francisco

Wed 6/10

12:35 pm-12:40 am

2 stops26h 05m

$970

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 from Helsinki 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 $911 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 $771 on momondo.

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

As of May 2026, prices for Helsinki to San Francisco flights are approximately 48% 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 00m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 16h 00m
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 00m, 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
7.4
1,777 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $840Free CancellationRating
6.8
8,000 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
Walnut Creek
Bodega Bay
Hayward
Roseville
Santa Clara
Berkeley
Fremont
Vallejo
Big Sur
Sunnyvale
Calistoga
South San Francisco
Salinas
Daly City
Milpitas
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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