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Cheap flights from Helsinki to San Francisco from $601

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 1/29. 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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Cheap round-trip flights

Scandinavian Airlines Logo
4:10 pm - 3:35 pmHEL-SFO
32h 25m2 stops
Scandinavian Airlines Logo
4:40 pm - 3:25 pmSFO-HEL
12h 45m1 stop
$714Scandinavian Airlines
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Thu, Oct 30 - Thu, Nov 6
Scandinavian Airlines Logo
4:10 pm - 3:35 pmHEL-SFO
32h 25m2 stops
Scandinavian Airlines Logo
4:40 pm - 1:35 amSFO-HEL
22h 55m1 stop
$717Scandinavian Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Scandinavian Airlines Logo
6:30 pm - 2:35 pmHEL-SFO
30h 05m2 stops
Scandinavian Airlines Logo
4:40 pm - 11:45 pmSFO-HEL
21h 05m2 stops
$718Scandinavian Airlines
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Sat, Nov 8 - Mon, Nov 24
Multiple Airlines Logo
1:45 pm - 11:45 amHEL-SFO
32h 00m3 stops
Multiple Airlines Logo
3:05 pm - 11:35 pmSFO-HEL
22h 30m2 stops
$721Multiple Airlines
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Tue, Oct 14 - Tue, Oct 21
Turkish Airlines Logo
12:30 pm - 5:45 pmHEL-SFO
38h 15m1 stop
Turkish Airlines Logo
6:50 pm - 11:35 amSFO-HEL
30h 45m1 stop
$754Turkish Airlines
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Mon, Oct 27 - Tue, Nov 11
Multiple Airlines Logo
6:50 pm - 2:35 pmHEL-SFO
53h 45m2 stops
Multiple Airlines Logo
4:55 pm - 10:45 amSFO-HEL
32h 50m1 stop
$755Multiple Airlines
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Mon, Oct 20 - Mon, Oct 27
Lufthansa Logo
5:40 pm - 12:40 pmHEL-SFO
29h 00m1 stop
Lufthansa Logo
2:40 pm - 4:50 pmSFO-HEL
16h 10m1 stop
$800Lufthansa
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Tue, Oct 14 - Tue, Oct 21
Lufthansa Logo
5:50 pm - 12:40 pmHEL-SFO
28h 50m1 stop
Lufthansa Logo
3:40 pm - 1:20 amSFO-HEL
24h 40m1 stop
$803Lufthansa
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Mon, Oct 20 - Mon, Oct 27
American Airlines Logo
12:30 pm - 11:25 pmHEL-SFO
20h 55m1 stop
American Airlines Logo
8:00 am - 10:45 amSFO-HEL
16h 45m1 stop
$838American Airlines
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Sat, Nov 8 - Mon, Nov 24
American Airlines Logo
12:35 pm - 11:29 pmHEL-SFO
20h 54m1 stop
American Airlines Logo
12:50 am - 10:45 amSFO-HEL
23h 55m1 stop
$911American Airlines
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Tue, Oct 14 - Mon, Oct 20

Turkish Airlines flights from Helsinki to San Francisco

Our best Turkish Airlines deals on Helsinki to San Francisco flight tickets
Turkish Airlines
Oct 27
HEL12:30 pmHelsinki-Vantaa
38h 15m
1 stop
SFO5:45 pmSan Francisco
Nov 11
SFO6:50 pmSan Francisco
30h 45m
1 stop
HEL11:35 amHelsinki-Vantaa
$754
Find similar
Turkish Airlines
Sep 18
HEL12:35 pmHelsinki-Vantaa
32h 00m
1 stop
SFO10:35 amSan Francisco
Sep 22
SFO6:45 pmSan Francisco
30h 55m
1 stop
HEL11:40 amHelsinki-Vantaa
$768
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Turkish Airlines
Sep 21
HEL7:35 pmHelsinki-Vantaa
25h 00m
1 stop
SFO10:35 amSan Francisco
Dec 13
SFO6:50 pmSan Francisco
37h 15m
1 stop
HEL6:05 pmHelsinki-Vantaa
$1,067
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Air Canada flights from Helsinki to San Francisco

Our best Air Canada deals on Helsinki to San Francisco flight tickets
Air Canada
Oct 27
HEL1:55 pmHelsinki-Vantaa
29h 59m
2 stops
SFO10:54 amSan Francisco
Nov 11
SFO7:30 amSan Francisco
25h 20m
2 stops
HEL6:50 pmHelsinki-Vantaa
$795
Find similar
Air Canada
Nov 8
HEL12:45 pmHelsinki-Vantaa
16h 50m
1 stop
SFO7:35 pmSan Francisco
Nov 24
SFO2:40 pmSan Francisco
16h 00m
1 stop
HEL4:40 pmHelsinki-Vantaa
$869
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Air Canada
Nov 8
HEL6:55 amHelsinki-Vantaa
24h 39m
2 stops
SFO9:34 pmSan Francisco
Nov 24
SFO8:50 amSan Francisco
18h 20m
2 stops
HEL1:10 pmHelsinki-Vantaa
$930
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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 September 16, 2025.
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

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Thu 10/30

4:10 pm-3:35 pm

2 stops32h 25m

San Francisco

Thu 11/6

4:40 pm-3:25 pm

1 stop12h 45m

$714

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Fri 10/31

4:10 pm-3:35 pm

2 stops32h 25m

San Francisco

Fri 11/7

4:40 pm-1:35 am

1 stop22h 55m

$717

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sat 11/8

6:30 pm-2:35 pm

2 stops30h 05m

San Francisco

Mon 11/24

4:40 pm-11:45 pm

2 stops21h 05m

$718

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 10/14

1:45 pm-11:45 am

3 stops32h 00m

San Francisco

Tue 10/21

3:05 pm-11:35 pm

2 stops22h 30m

$721

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 10/27

12:30 pm-5:45 pm

1 stop38h 15m

San Francisco

Tue 11/11

6:50 pm-11:35 am

1 stop30h 45m

$754

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 10/20

6:50 pm-2:35 pm

2 stops53h 45m

San Francisco

Mon 10/27

4:55 pm-10:45 am

1 stop32h 50m

$755

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 10/14

5:40 pm-12:40 pm

1 stop29h 00m

San Francisco

Tue 10/21

2:40 pm-4:50 pm

1 stop16h 10m

$800

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Mon 10/20

5:50 pm-12:40 pm

1 stop28h 50m

San Francisco

Mon 10/27

3:40 pm-1:20 am

1 stop24h 40m

$803

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Sat 11/8

12:30 pm-11:25 pm

1 stop20h 55m

San Francisco

Mon 11/24

8:00 am-10:45 am

1 stop16h 45m

$838

HelsinkiSan Francisco

HEL - SFO

HELSFO

Helsinki-Vantaa

Tue 10/14

12:35 pm-11:29 pm

1 stop20h 54m

San Francisco

Mon 10/20

12:50 am-10:45 am

1 stop23h 55m

$911

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 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 $788.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Helsinki to San Francisco is on a Wednesday when prices can be found for as low as $756. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $1,053.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Helsinki to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $911. Flights at noon are often more expensive with an average ticket price of $1,027.

What is the cheapest Helsinki-Vantaa to San Francisco flight route?

Fly from Helsinki-Vantaa to San Francisco for the best Helsinki-Vantaa - San Francisco flight prices

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 $865 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.

What cabin class options are available on Helsinki-Vantaa to San Francisco flights?

There is only 1 cabin class available to choose from on Helsinki-Vantaa to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of September 2025, prices for Helsinki to San Francisco flights are approximately 79% 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

Direct flights

None
There are no direct flights from Helsinki to San Francisco. There are no popular flight routes from Helsinki to San Francisco.
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  • 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 15h 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 $685Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $686Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
American AirlinesPriceFrom $867Free CancellationRating
7.2
10,000 reviews
Search American 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
Calistoga
Bodega Bay
Roseville
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Half Moon Bay
Walnut Creek
Vallejo
Redwood City
Salinas
South San Francisco
Fairfield

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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