Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helsinki to San Francisco from $515

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 2/12. 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.
KLM Logo
7:00 am - 11:45 amHEL  Helsinki-Vantaa-SFO San Francisco
14h 45m1 stop Amsterdam Schiphol
KLM Logo
2:20 pm - 5:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
17h 20m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$978KLM
Sun, Sep 6 - Sat, Sep 12
Delta Logo
7:00 am - 6:17 pmHEL  Helsinki-Vantaa-SFO San Francisco
21h 17m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Delta Logo
8:00 am - 4:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
22h 40m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$981Delta
Mon, Sep 28 - Tue, Oct 13
Multiple Airlines Logo
7:20 am - 12:35 pmHEL  Helsinki-Vantaa-SFO San Francisco
39h 15m2 stops Stockholm Arlanda Frankfurt am Main
Multiple Airlines Logo
9:40 pm - 10:25 pmSFO  San Francisco-HEL Helsinki-Vantaa
38h 45m2 stops Munich Franz Josef Strauss Stockholm Arlanda
$982Multiple Airlines
Thu, Dec 24 - Sun, Jan 3
KLM Logo
7:00 am - 4:56 pmHEL  Helsinki-Vantaa-SFO San Francisco
19h 56m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
KLM Logo
2:20 pm - 5:40 pmSFO  San Francisco-HEL Helsinki-Vantaa
17h 20m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
$988KLM
Sun, Sep 6 - Sat, Sep 12
American Airlines Logo
4:05 pm - 9:39 pmHEL  Helsinki-Vantaa-SFO San Francisco
15h 34m1 stop Los Angeles
American Airlines Logo
9:00 am - 10:45 amSFO  San Francisco-HEL Helsinki-Vantaa
15h 45m1 stop Dallas/Fort Worth
$994American Airlines
Thu, Oct 8 - Wed, Oct 21
Lufthansa Logo
6:45 am - 12:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
15h 55m1 stop Frankfurt am Main
Lufthansa Logo
7:25 pm - 12:40 amSFO  San Francisco-HEL Helsinki-Vantaa
19h 15m1 stop Frankfurt am Main
$995Lufthansa
Sun, Sep 6 - Sat, Sep 12
Multiple Airlines Logo
8:55 pm - 8:32 pmHEL  Helsinki-Vantaa-SFO San Francisco
33h 37m3 stops Stockholm Arlanda London Heathrow Vancouver Intl
Multiple Airlines Logo
8:40 am - 10:25 pmSFO  San Francisco-HEL Helsinki-Vantaa
27h 45m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Stockholm Arlanda
$996Multiple Airlines
Mon, Nov 2 - Mon, Nov 23
American Airlines Logo
4:05 pm - 9:39 pmHEL  Helsinki-Vantaa-SFO San Francisco
15h 34m1 stop Los Angeles
American Airlines Logo
9:00 am - 10:45 amSFO  San Francisco-HEL Helsinki-Vantaa
15h 45m1 stop Dallas/Fort Worth
$997American Airlines
Thu, Oct 8 - Wed, Oct 21
Multiple Airlines Logo
6:10 am - 7:00 pmHEL  Helsinki-Vantaa-SFO San Francisco
22h 50m2 stops Kastrup Copenhagen Munich Franz Josef Strauss
Multiple Airlines Logo
2:40 pm - 8:00 pmSFO  San Francisco-HEL Helsinki-Vantaa
19h 20m3 stops Frankfurt am Main Munich Franz Josef Strauss Stockholm Arlanda
$999Multiple Airlines
Thu, Oct 8 - Wed, Oct 21
Lufthansa Logo
6:35 am - 12:40 pmHEL  Helsinki-Vantaa-SFO San Francisco
16h 05m1 stop Frankfurt am Main
Lufthansa Logo
2:40 pm - 6:55 pmSFO  San Francisco-HEL Helsinki-Vantaa
18h 15m2 stops Frankfurt am Main Munich Franz Josef Strauss
$1,073Lufthansa
Thu, Oct 8 - Wed, Oct 21

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Turkish Airlines flights from Helsinki to San Francisco

Our best Turkish Airlines deals on Helsinki to San Francisco flight tickets
Turkish Airlines
Dec 24
HEL7:05 pmHelsinki-Vantaa
31h 25m
1 stop
SFO4:30 pmSan Francisco
Jan 3
SFO6:35 pmSan Francisco
30h 55m
1 stop
HEL11:30 amHelsinki-Vantaa
$1,010
Turkish Airlines
Aug 27
HEL8:20 amHelsinki-Vantaa
18h 20m
1 stop
SFO4:40 pmSan Francisco
Aug 31
SFO12:50 pmSan Francisco
36h 20m
1 stop
HEL11:10 amHelsinki-Vantaa
$1,350

Delta flights from Helsinki to San Francisco

Our best Delta deals on Helsinki to San Francisco flight tickets
Delta
Sep 28
HEL7:00 amHelsinki-Vantaa
21h 17m
2 stops
SFO6:17 pmSan Francisco
Oct 13
SFO8:00 amSan Francisco
22h 40m
2 stops
HEL4:40 pmHelsinki-Vantaa
$981
Delta
Dec 24
HEL6:40 amHelsinki-Vantaa
18h 28m
2 stops
SFO3:08 pmSan Francisco
Jan 3
SFO10:31 amSan Francisco
20h 09m
2 stops
HEL4:40 pmHelsinki-Vantaa
$1,058
Delta
Dec 24
HEL6:40 amHelsinki-Vantaa
21h 10m
2 stops
SFO5:50 pmSan Francisco
Jan 3
SFO1:50 pmSan Francisco
17h 35m
1 stop
HEL5:25 pmHelsinki-Vantaa
$1,063

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 16, 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

Sun 9/6

7:00 am-11:45 am

1 stop14h 45m

San Francisco

Sat 9/12

2:20 pm-5:40 pm

2 stops17h 20m

$978

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Mon 9/28

7:00 am-6:17 pm

2 stops21h 17m

San Francisco

Tue 10/13

8:00 am-4:40 pm

2 stops22h 40m

$981

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Thu 12/24

7:20 am-12:35 pm

2 stops39h 15m

San Francisco

Sun 1/3

9:40 pm-10:25 pm

2 stops38h 45m

$982

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Sun 9/6

7:00 am-4:56 pm

2 stops19h 56m

San Francisco

Sat 9/12

2:20 pm-5:40 pm

2 stops17h 20m

$988
Quickest round-trip

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Thu 10/8

4:05 pm-9:39 pm

1 stop15h 34m

San Francisco

Wed 10/21

9:00 am-10:45 am

1 stop15h 45m

$994

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Sun 9/6

6:45 am-12:40 pm

1 stop15h 55m

San Francisco

Sat 9/12

7:25 pm-12:40 am

1 stop19h 15m

$995

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Mon 11/2

8:55 pm-8:32 pm

3 stops33h 37m

San Francisco

Mon 11/23

8:40 am-10:25 pm

3 stops27h 45m

$996

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Thu 10/8

4:05 pm-9:39 pm

1 stop15h 34m

San Francisco

Wed 10/21

9:00 am-10:45 am

1 stop15h 45m

$997

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Thu 10/8

6:10 am-7:00 pm

2 stops22h 50m

San Francisco

Wed 10/21

2:40 pm-8:00 pm

3 stops19h 20m

$999

HelsinkiSan Francisco

HEL Helsinki-Vantaa - SFO San Francisco

HELSFO

Helsinki-Vantaa

Thu 10/8

6:35 am-12:40 pm

1 stop16h 05m

San Francisco

Wed 10/21

2:40 pm-6:55 pm

2 stops18h 15m

$1,073

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?

Prices are currently low for flights on this route.

Typical prices usually range from $997 to $1,153.
The lowest price recently found on this route was $978.

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 $957 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 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 39m

Direct flights

None
The fastest flight from Helsinki to San Francisco takes 16h 39m
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 39m, 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
1,952 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $894Free CancellationRating
6.8
8,195 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/15
Tue 9/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States