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Cheap flights from Helsinki to San Francisco from $459

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helsinki to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:05 am - 12:35 pmHEL  Helsinki-Vantaa-SFO San Francisco
15h 30m1 stop Frankfurt am Main
Lufthansa Logo
2:45 pm - 4:50 pmSFO  San Francisco-HEL Helsinki-Vantaa
16h 05m1 stop Frankfurt am Main
$854Lufthansa
Fri, Jan 29 - Sun, Feb 7
Delta Logo
6:40 am - 12:45 pmHEL  Helsinki-Vantaa-SFO San Francisco
15h 05m1 stop Amsterdam Schiphol
Delta Logo
9:56 am - 4:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
20h 44m2 stops Salt Lake City Paris Charles de Gaulle
$854Delta
Sun, Nov 1 - Tue, Nov 17
Delta Logo
6:40 am - 11:45 amHEL  Helsinki-Vantaa-SFO San Francisco
15h 05m1 stop Amsterdam Schiphol
Delta Logo
9:00 am - 4:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
21h 40m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
$854Delta
Fri, Jan 29 - Sun, Feb 7
Multiple Airlines Logo
6:25 pm - 11:45 amHEL  Helsinki-Vantaa-SFO San Francisco
27h 20m1 stop Amsterdam Schiphol
Multiple Airlines Logo
3:05 pm - 4:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
15h 35m1 stop Paris Charles de Gaulle
$855Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Lufthansa Logo
6:25 pm - 12:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
28h 15m1 stop Frankfurt am Main
Lufthansa Logo
7:25 pm - 12:20 amSFO  San Francisco-HEL Helsinki-Vantaa
18h 55m1 stop Frankfurt am Main
$856Lufthansa
Tue, Oct 13 - Tue, Oct 20
Lufthansa Logo
6:35 am - 12:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
16h 05m1 stop Frankfurt am Main
Lufthansa Logo
3:20 pm - 6:45 pmSFO  San Francisco-HEL Helsinki-Vantaa
18h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
$856Lufthansa
Wed, Oct 21 - Wed, Oct 28
Lufthansa Logo
2:05 pm - 12:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
32h 35m1 stop Frankfurt am Main
Lufthansa Logo
2:40 pm - 5:00 pmSFO  San Francisco-HEL Helsinki-Vantaa
16h 20m1 stop Frankfurt am Main
$857Lufthansa
Tue, Oct 13 - Tue, Oct 20
Scandinavian Airlines Logo
6:10 am - 2:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
18h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
5:45 pm - 11:50 pmSFO  San Francisco-HEL Helsinki-Vantaa
21h 05m2 stops Kastrup Copenhagen Stockholm Arlanda
$869Scandinavian Airlines
Tue, Oct 20 - Sun, Oct 25
Scandinavian Airlines Logo
9:05 pm - 2:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
27h 35m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
4:45 pm - 1:30 amSFO  San Francisco-HEL Helsinki-Vantaa
22h 45m1 stop Kastrup Copenhagen
$872Scandinavian Airlines
Mon, Oct 5 - Tue, Oct 13
Scandinavian Airlines Logo
7:00 am - 2:50 pmHEL  Helsinki-Vantaa-SFO San Francisco
17h 50m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
4:45 pm - 8:20 pmSFO  San Francisco-HEL Helsinki-Vantaa
17h 35m1 stop Kastrup Copenhagen
$872Scandinavian Airlines
Tue, Nov 17 - Mon, Nov 30

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KLM flights from Helsinki to San Francisco

Our best KLM deals on Helsinki to San Francisco flight tickets
KLM
Sep 24
HEL7:00 amHelsinki-Vantaa
18h 54m
2 stops
SFO3:54 pmSan Francisco
Sep 28
SFO2:20 pmSan Francisco
17h 20m
2 stops
HEL5:40 pmHelsinki-Vantaa
$856
KLM
Sep 24
HEL7:00 amHelsinki-Vantaa
18h 54m
2 stops
SFO3:54 pmSan Francisco
Oct 7
SFO10:35 amSan Francisco
16h 30m
2 stops
HEL1:05 pmHelsinki-Vantaa
$858
KLM
Sep 24
HEL7:00 amHelsinki-Vantaa
14h 45m
1 stop
SFO11:45 amSan Francisco
Oct 7
SFO10:35 amSan Francisco
16h 30m
2 stops
HEL1:05 pmHelsinki-Vantaa
$860

Turkish Airlines flights from Helsinki to San Francisco

Our best Turkish Airlines deals on Helsinki to San Francisco flight tickets
Turkish Airlines
Nov 5
HEL12:25 pmHelsinki-Vantaa
39h 05m
1 stop
SFO5:30 pmSan Francisco
Nov 9
SFO6:35 pmSan Francisco
37h 35m
1 stop
HEL6:10 pmHelsinki-Vantaa
$879
Turkish Airlines
Nov 5
HEL12:25 pmHelsinki-Vantaa
39h 05m
1 stop
SFO5:30 pmSan Francisco
Nov 9
SFO6:35 pmSan Francisco
37h 35m
1 stop
HEL6:10 pmHelsinki-Vantaa
$880
Turkish Airlines
Nov 6
HEL12:25 pmHelsinki-Vantaa
39h 05m
1 stop
SFO5:30 pmSan Francisco
Nov 10
SFO6:35 pmSan Francisco
37h 35m
1 stop
HEL6:10 pmHelsinki-Vantaa
$913

momondo Fare Finder

 
Use the filters below to find and compare flights from Helsinki to San Francisco that are best for you.

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Depart

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Price

Cheapest round-trip
Quickest round-trip

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Fri 1/29

7:05 am-12:35 pm

1 stop15h 30m

San Francisco

Sun 2/7

2:45 pm-4:50 pm

1 stop16h 05m

$854

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Sun 11/1

6:40 am-12:45 pm

1 stop15h 05m

San Francisco

Tue 11/17

9:56 am-4:40 pm

2 stops20h 44m

$854

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Fri 1/29

6:40 am-11:45 am

1 stop15h 05m

San Francisco

Sun 2/7

9:00 am-4:40 pm

2 stops21h 40m

$854

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 10/13

6:25 pm-11:45 am

1 stop27h 20m

San Francisco

Tue 10/20

3:05 pm-4:40 pm

1 stop15h 35m

$855

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 10/13

6:25 pm-12:40 pm

1 stop28h 15m

San Francisco

Tue 10/20

7:25 pm-12:20 am

1 stop18h 55m

$856

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Wed 10/21

6:35 am-12:40 pm

1 stop16h 05m

San Francisco

Wed 10/28

3:20 pm-6:45 pm

2 stops18h 25m

$856

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 10/13

2:05 pm-12:40 pm

1 stop32h 35m

San Francisco

Tue 10/20

2:40 pm-5:00 pm

1 stop16h 20m

$857

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 10/20

6:10 am-2:40 pm

1 stop18h 30m

San Francisco

Sun 10/25

5:45 pm-11:50 pm

2 stops21h 05m

$869

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Mon 10/5

9:05 pm-2:40 pm

1 stop27h 35m

San Francisco

Tue 10/13

4:45 pm-1:30 am

1 stop22h 45m

$872

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 11/17

7:00 am-2:50 pm

2 stops17h 50m

San Francisco

Mon 11/30

4:45 pm-8:20 pm

1 stop17h 35m

$872

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $851 to $1,019.
The lowest price recently found on this route was $854.

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 January is also cheap. Prices for this month can be found on momondo for an average of $813.

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 $974 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 $773 on momondo.

Can stopping save me money on Helsinki to San Francisco flights?

You could potentially save up to 44% on your flight if you consider stops on a Helsinki to San Francisco flight.

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

As of September 2026, prices for Helsinki to San Francisco flights are approximately 33% 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

Best Price Found

$459

Fastest flight time

14h 45m

Direct flights

None
The best one-way flight to San Francisco from Helsinki in the past 72 hours is $459. The best round-trip flight deal from Helsinki to San Francisco found on momondo in the last 72 hours is $854.
The fastest flight from Helsinki to San Francisco takes 14h 45m
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 14h 45m, 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 $703Free CancellationRating
7.4
1,983 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $894Free CancellationRating
6.8
8,214 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
South San Francisco
Bodega Bay
Hayward
Fremont
Berkeley
Walnut Creek
Santa Clara
Sunnyvale
Vallejo
Salinas
Roseville
Half Moon Bay
Sonoma
Daly City
Milpitas
Marina
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

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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