Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Helsinki to San Francisco from $373

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 5/18. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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.

Find the cheapest flights from Helsinki to San Francisco

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Helsinki to San Francisco.
 Logo
7:40 am - 9:39 pmHEL-SFO
23h 59m2 stops
 Logo
9:25 am - 10:45 pmSFO-HEL
27h 20m2 stops
mar., may. 13 - mar., may. 20
 Logo
7:00 am - 11:45 amHEL-SFO
14h 45m1 stop
 Logo
3:05 pm - 11:20 pmSFO-HEL
22h 15m1 stop
lun., may. 12 - lun., may. 19
United Airlines Logo
6:00 am - 9:07 amHEL-SFO
37h 07m2 stops
United Airlines Logo
5:00 am - 11:55 amSFO-HEL
20h 55m2 stops
$797United Airlines
Find Deal
mar., jul. 22 - mar., jul. 29
United Airlines Logo
6:00 am - 11:59 pmHEL-SFO
27h 59m2 stops
United Airlines Logo
8:15 am - 12:50 pmSFO-HEL
18h 35m2 stops
$814United Airlines
Find Deal
lun., may. 19 - lun., may. 26
Lufthansa Logo
12:35 pm - 7:00 pmHEL-SFO
16h 25m1 stop
Lufthansa Logo
9:05 pm - 11:50 pmSFO-HEL
16h 45m1 stop
$846Lufthansa
Find Deal
mar., may. 6 - mar., may. 13
Lufthansa Logo
6:00 am - 7:00 pmHEL-SFO
23h 00m1 stop
Lufthansa Logo
9:05 pm - 11:55 amSFO-HEL
28h 50m1 stop
$869Lufthansa
Find Deal
lun., jun. 23 - vie., jul. 4
American Airlines Logo
12:35 pm - 7:16 pmHEL-SFO
16h 41m1 stop
American Airlines Logo
7:00 am - 10:45 amSFO-HEL
17h 45m1 stop
$944American Airlines
Find Deal
vie., may. 30 - mié., jun. 11
American Airlines Logo
12:35 pm - 8:19 pmHEL-SFO
17h 44m1 stop
American Airlines Logo
8:00 am - 10:45 amSFO-HEL
16h 45m1 stop
$949American Airlines
Find Deal
vie., may. 30 - mié., jun. 11
Scandinavian Airlines Logo
5:05 pm - 4:30 pmHEL-SFO
33h 25m2 stops
Scandinavian Airlines Logo
10:00 am - 4:30 pmSFO-HEL
20h 30m3 stops
$1,860Scandinavian Airlines
Find Deal
lun., jul. 14 - lun., jul. 21
Scandinavian Airlines Logo
5:05 pm - 4:30 pmHEL-SFO
33h 25m2 stops
Scandinavian Airlines Logo
7:00 am - 4:30 pmSFO-HEL
23h 30m3 stops
$1,953Scandinavian Airlines
Find Deal
lun., jul. 14 - lun., jul. 21

KLM flights from Helsinki to San Francisco

Our best KLM deals on Helsinki to San Francisco flight tickets
KLM
May 13
HEL1:55 pmHelsinki-Vantaa
31h 50m
1 stop
SFO11:45 amSan Francisco
May 20
SFO10:00 amSan Francisco
17h 00m
2 stops
HEL1:00 pmHelsinki-Vantaa
KLM
May 6
HEL7:00 amHelsinki-Vantaa
14h 45m
1 stop
SFO11:45 amSan Francisco
May 13
SFO10:00 amSan Francisco
17h 00m
2 stops
HEL1:00 pmHelsinki-Vantaa
KLM
Jun 23
HEL6:25 pmHelsinki-Vantaa
27h 20m
1 stop
SFO11:45 amSan Francisco
Jul 4
SFO1:48 pmSan Francisco
17h 52m
2 stops
HEL5:40 pmHelsinki-Vantaa

United Airlines flights from Helsinki to San Francisco

Our best United Airlines deals on Helsinki to San Francisco flight tickets
United Airlines
Jul 22
HEL6:00 amHelsinki-Vantaa
37h 07m
2 stops
SFO9:07 amSan Francisco
Jul 29
SFO5:00 amSan Francisco
20h 55m
2 stops
HEL11:55 amHelsinki-Vantaa
United Airlines
May 19
HEL6:00 amHelsinki-Vantaa
27h 59m
2 stops
SFO11:59 pmSan Francisco
May 26
SFO8:15 amSan Francisco
18h 35m
2 stops
HEL12:50 pmHelsinki-Vantaa
United Airlines
May 7
HEL6:10 amHelsinki-Vantaa
16h 30m
1 stop
SFO12:40 pmSan Francisco
May 13
SFO12:10 amSan Francisco
26h 40m
2 stops
HEL12:50 pmHelsinki-Vantaa

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 $768.

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 14 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $856 when searching 14 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 $762 on momondo.

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

There are 1 cabin classes 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 April 2025, prices for Helsinki to San Francisco flights are approximately 9% 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

Best Price Found

$373

Fastest flight time

14h 45m

Direct flights

None

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Helsinki in the past 72 hours is $373. The best round-trip flight deal from Helsinki to San Francisco found on momondo in the last 72 hours is $750.
The fastest flight from Helsinki to San Francisco takes 14h 45m
There are no direct flights from Helsinki to San Francisco. Popular non-direct route for this connection is Helsinki-Vantaa Airport - San Francisco Airport.
There is 1 airport near San Francisco: San Francisco (SFO)

  • 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 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 $683Free CancellationRating
7.3
1,344 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $715Free CancellationRating
6.7
7,027 reviews
Search Lufthansa flights
United AirlinesPriceFrom $768Free CancellationRating
7.4
8,685 reviews
Search United Airlines 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
Hayward
Modesto
Calistoga
Sonoma
Roseville
Bodega Bay
Daly City
Santa Clara
Fremont
South San Francisco
Big Sur
Sunnyvale
Redwood City
Berkeley
Walnut Creek
Vallejo
Palo Alto
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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
lun. 4/28
lun. 5/5

Find better results for your trip to the United States