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Cheap flights from Helsinki to San Francisco from $429

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 10/8. 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

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.
Scandinavian Airlines Logo
8:55 pm - 2:50 pmHEL  Helsinki-Vantaa-SFO San Francisco
27h 55m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
4:45 pm - 11:50 pmSFO  San Francisco-HEL Helsinki-Vantaa
21h 05m2 stops Kastrup Copenhagen Stockholm Arlanda
$927Scandinavian Airlines
Tue, Nov 3 - Sat, Nov 7
Scandinavian Airlines Logo
8:55 pm - 2:50 pmHEL  Helsinki-Vantaa-SFO San Francisco
27h 55m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
4:45 pm - 11:50 pmSFO  San Francisco-HEL Helsinki-Vantaa
21h 05m2 stops Kastrup Copenhagen Stockholm Arlanda
$928Scandinavian Airlines
Tue, Nov 3 - Sat, Nov 7
Scandinavian Airlines Logo
8:55 pm - 2:50 pmHEL  Helsinki-Vantaa-SFO San Francisco
27h 55m2 stops Stockholm Arlanda Kastrup Copenhagen
Scandinavian Airlines Logo
4:45 pm - 11:50 pmSFO  San Francisco-HEL Helsinki-Vantaa
21h 05m2 stops Kastrup Copenhagen Stockholm Arlanda
$929Scandinavian Airlines
Tue, Nov 3 - Sat, Nov 7
Lufthansa Logo
7:40 pm - 7:00 pmHEL  Helsinki-Vantaa-SFO San Francisco
33h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
9:05 pm - 1:35 amSFO  San Francisco-HEL Helsinki-Vantaa
18h 30m1 stop Munich Franz Josef Strauss
$932Lufthansa
Fri, Sep 4 - Sun, Sep 20
Lufthansa Logo
7:05 am - 12:35 pmHEL  Helsinki-Vantaa-SFO San Francisco
15h 30m1 stop Frankfurt am Main
Lufthansa Logo
2:45 pm - 1:30 amSFO  San Francisco-HEL Helsinki-Vantaa
24h 45m1 stop Frankfurt am Main
$934Lufthansa
Fri, Nov 6 - Sat, Nov 14
Scandinavian Airlines Logo
6:10 am - 2:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
18h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
4:45 pm - 8:25 pmSFO  San Francisco-HEL Helsinki-Vantaa
17h 40m1 stop Kastrup Copenhagen
$938Scandinavian Airlines
Wed, Sep 16 - Mon, Sep 28
Lufthansa Logo
7:40 pm - 7:00 pmHEL  Helsinki-Vantaa-SFO San Francisco
33h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
9:05 pm - 1:35 amSFO  San Francisco-HEL Helsinki-Vantaa
18h 30m1 stop Munich Franz Josef Strauss
$945Lufthansa
Mon, Sep 21 - Tue, Oct 6
Turkish Airlines Logo
12:05 pm - 4:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
38h 35m1 stop Istanbul
Turkish Airlines Logo
6:45 pm - 11:10 amSFO  San Francisco-HEL Helsinki-Vantaa
30h 25m1 stop Istanbul
$948Turkish Airlines
Mon, Sep 21 - Tue, Oct 6
Multiple Airlines Logo
11:05 am - 12:50 pmHEL  Helsinki-Vantaa-SFO San Francisco
35h 45m3 stops Stockholm Arlanda Oslo Gardermoen Paris Charles de Gaulle
Multiple Airlines Logo
1:45 pm - 11:50 pmSFO  San Francisco-HEL Helsinki-Vantaa
24h 05m3 stops Amsterdam Schiphol Oslo Gardermoen Stockholm Arlanda
$959Multiple Airlines
Mon, Sep 21 - Tue, Oct 6
Multiple Airlines Logo
1:55 pm - 11:45 amHEL  Helsinki-Vantaa-SFO San Francisco
31h 50m1 stop Amsterdam Schiphol
Multiple Airlines Logo
3:16 pm - 5:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
16h 24m2 stops Minneapolis St Paul Amsterdam Schiphol
$965Multiple Airlines
Thu, Sep 10 - Wed, Sep 23

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Delta flights from Helsinki to San Francisco

Our best Delta deals on Helsinki to San Francisco flight tickets
Delta
Sep 8
HEL7:00 amHelsinki-Vantaa
14h 45m
1 stop
SFO11:45 amSan Francisco
Oct 4
SFO10:29 amSan Francisco
20h 11m
2 stops
HEL4:40 pmHelsinki-Vantaa
$966
Delta
Sep 8
HEL7:00 amHelsinki-Vantaa
22h 40m
2 stops
SFO7:40 pmSan Francisco
Oct 4
SFO10:29 amSan Francisco
20h 11m
2 stops
HEL4:40 pmHelsinki-Vantaa
$971
Delta
Sep 21
HEL7:00 amHelsinki-Vantaa
14h 45m
1 stop
SFO11:45 amSan Francisco
Oct 6
SFO8:55 amSan Francisco
21h 45m
2 stops
HEL4:40 pmHelsinki-Vantaa
$976

Air France flights from Helsinki to San Francisco

Our best Air France deals on Helsinki to San Francisco flight tickets
Air France
Sep 8
HEL7:00 amHelsinki-Vantaa
14h 45m
1 stop
SFO11:45 amSan Francisco
Sep 27
SFO1:45 pmSan Francisco
17h 55m
1 stop
HEL5:40 pmHelsinki-Vantaa
$970
Air France
Dec 21
HEL6:20 pmHelsinki-Vantaa
27h 25m
1 stop
SFO11:45 amSan Francisco
Jan 3
SFO11:35 amSan Francisco
19h 05m
2 stops
HEL4:40 pmHelsinki-Vantaa
$1,064

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 August 11, 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 Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 11/3

8:55 pm-2:50 pm

2 stops27h 55m

San Francisco

Sat 11/7

4:45 pm-11:50 pm

2 stops21h 05m

$927

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 11/3

8:55 pm-2:50 pm

2 stops27h 55m

San Francisco

Sat 11/7

4:45 pm-11:50 pm

2 stops21h 05m

$928

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Tue 11/3

8:55 pm-2:50 pm

2 stops27h 55m

San Francisco

Sat 11/7

4:45 pm-11:50 pm

2 stops21h 05m

$929

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Fri 9/4

7:40 pm-7:00 pm

1 stop33h 20m

San Francisco

Sun 9/20

9:05 pm-1:35 am

1 stop18h 30m

$932

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Fri 11/6

7:05 am-12:35 pm

1 stop15h 30m

San Francisco

Sat 11/14

2:45 pm-1:30 am

1 stop24h 45m

$934
Quickest round-trip

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Wed 9/16

6:10 am-2:40 pm

1 stop18h 30m

San Francisco

Mon 9/28

4:45 pm-8:25 pm

1 stop17h 40m

$938

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Mon 9/21

7:40 pm-7:00 pm

1 stop33h 20m

San Francisco

Tue 10/6

9:05 pm-1:35 am

1 stop18h 30m

$945

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Mon 9/21

12:05 pm-4:40 pm

1 stop38h 35m

San Francisco

Tue 10/6

6:45 pm-11:10 am

1 stop30h 25m

$948

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Mon 9/21

11:05 am-12:50 pm

3 stops35h 45m

San Francisco

Tue 10/6

1:45 pm-11:50 pm

3 stops24h 05m

$959

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Thu 9/10

1:55 pm-11:45 am

1 stop31h 50m

San Francisco

Wed 9/23

3:16 pm-5:40 pm

2 stops16h 24m

$965

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 low for flights on this route.

Typical prices usually range from $973 to $1,153.
The lowest price recently found on this route was $927.

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 $954 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 39% 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 August 2026, prices for Helsinki to San Francisco flights are approximately 38% 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

16h 38m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 16h 38m
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 38m, 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
1,941 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $894Free CancellationRating
6.8
8,177 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
Fremont
Berkeley
Bodega Bay
Hayward
Walnut Creek
Santa Clara
Vallejo
Roseville
Sonoma
Salinas
Sunnyvale
Milpitas
Daly City
Burlingame
Marina
Palo Alto

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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