Cheap flights from San Francisco (SFO) to Helsinki (HEL)

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The best prices from San Francisco to Helsinki Helsinki-Vantaa are usually found in January or November, booked 57 days in advance, depart on a Tuesday or Monday and return on a Thursday

How to find the cheapest flight from
San Francisco (SFO) to Helsinki (HEL)

All the information you need to plan the best SFO to HEL flight in 2021: compare San Francisco to Helsinki flight prices with the expected peak season, weather and rainfall in Helsinki.
SFO - HEL
Price
$533 - $994
HEL
Temperature
21.2 - 60.8 °F
HEL
Precipitation
1.2 - 2.8 inches

Popular in

July

High demand for flights, 21% potential price rise

Cheapest in

January

Best time to find cheap flights, 32% potential price drop

Average price

$771

Average for round-trip flights in October 2021

Round-trip from

$533

From San Francisco to Helsinki Helsinki-Vantaa

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from San Francisco to Helsinki (SFO - HEL)?

One of the essential ways to save on airfare from San Francisco to Helsinki is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

What is the cheapest day to fly round-trip from San Francisco to Helsinki?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 22% when planning your travel around this day of the week.

How far in advance should I book a flight from San Francisco to Helsinki?

Travelers have found it’s best to book a flight 57 days in advance to save up to 57% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 57 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Helsinki 1-2 weeks in advance for as low as $935, or $1,297 for flights within the next 24 hours.

Cheap flights from San Francisco to Helsinki in October, November 2021

The best prices found for SFO to HEL flights for October, November
29 Nov - 10 Dec
$371pp
SFO
San Francisco
SAS
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
SAS
 
1 STOP
SFO
San Francisco
28 Nov - 10 Dec
$372pp
SFO
San Francisco
SAS
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
SAS
 
1 STOP
SFO
San Francisco
26 Nov - 4 Dec
$404pp
SFO
San Francisco
SAS
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
SAS
   
2 STOPS
SFO
San Francisco

San Francisco to Helsinki 2021 flight deals

Cheap flights to Helsinki from San Francisco found for this year
29 Nov - 10 Dec
$371pp
SFO
San Francisco
SAS
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
SAS
 
1 STOP
SFO
San Francisco
28 Nov - 10 Dec
$372pp
SFO
San Francisco
SAS
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
SAS
 
1 STOP
SFO
San Francisco
26 Nov - 4 Dec
$404pp
SFO
San Francisco
SAS
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
SAS
   
2 STOPS
SFO
San Francisco

Last minute flights from San Francisco to Helsinki

Late deals on round-trip flights to Helsinki from San Francisco, departing today and this week
25 Oct - 1 Nov
$878pp
SFO
San Francisco
American Airlines
 
1 STOP
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
American Airlines
 
1 STOP
SFO
San Francisco
25 Oct - 1 Nov
$880pp
SFO
San Francisco
American Airlines
   
2 STOPS
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
American Airlines
   
2 STOPS
SFO
San Francisco
25 Oct - 1 Nov
$881pp
SFO
San Francisco
American Airlines
   
2 STOPS
HEL
Helsinki Helsinki-Vantaa
HEL
Helsinki Helsinki-Vantaa
American Airlines
 
1 STOP
SFO
San Francisco

One-way flights to Helsinki-Vantaa from San Francisco

The cheapest one-way flights from San Francisco to Helsinki
1:15 pm - 6:35 am
Turkish Airlines
1 Stop
31h 20m
SFO - HEL
Turkish Airlines
6:35 am - 9:55 am
Finnair
1 Stop
17h 20m
SFO - HEL
Finnair
$573
KAYAK
11:40 am - 6:05 pm
TAP AIR PORTUGAL
2 Stops
20h 25m
SFO - HEL
TAP AIR PORTUGAL

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Helsinki</span> flights.

Flight FAQs

From San Francisco to Helsinki

Which airlines flying from San Francisco to Helsinki Helsinki-Vantaa have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Francisco to Helsinki Helsinki-Vantaa have new flexible policies in place due to COVID-19. Finnair, SAS, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Finnair with this kind of flexibility.

Can I find flights from San Francisco to Helsinki for under $400 on Cheapflights?

Yes, there are multiple flights from San Francisco to Helsinki for under $400. The cheapest flight booked recently is on SAS for just $368, but on average you can expect to pay $404.

Are there last-minute flights available from San Francisco to Helsinki for under $900?

There are currently 7+ open flights from San Francisco to Helsinki within the next 7 days for less than $900.

How popular is this San Francisco to Helsinki flight route?

This flight path from San Francisco to Helsinki Helsinki-Vantaa was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from San Francisco to Helsinki round-trip?

Flying on SAS is currently your cheapest option to Helsinki, with prices starting at $368. This flight start at 52% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San Francisco to Helsinki one-way?

One-way options have recently been found by users for as low as $421 on Turkish Airlines. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $523 and Finnair from $573 one-way.

What are the most popular airlines that fly from San Francisco to Helsinki?

Consider Major Airline, American Airlines or Finnair when booking your flight. These represent the most popular airlines when flying from San Francisco to Helsinki.

What are the cheapest flights from San Francisco to Helsinki?

Looking for the cheapest flight from San Francisco to Helsinki? While on average our users pay $1,826, our data indicates the cheapest price to be $222. The most popular route (San Francisco - Helsinki Helsinki-Vantaa), is priced around $368.

COVID Restrictions

View COVID Travel Restrictions for Helsinki, Finland

Do I need a COVID test to fly to Helsinki from San Francisco?

Information is based on travel restrictions from San Francisco to Helsinki Helsinki-Vantaa

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Helsinki Helsinki-Vantaa.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Helsinki Helsinki-Vantaa.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Helsinki Helsinki-Vantaa.

Do I need a test to fly back to San Francisco from Helsinki?

Returning to San Francisco from Helsinki Helsinki-Vantaa

COVID-19 testing requirements
Visitors from Helsinki Helsinki-Vantaa must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Helsinki Helsinki-Vantaa are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Helsinki, Finland

Alternative routes for San Francisco to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Helsinki

Things to know before you go - useful duration and weather info for your trip from San Francisco to Helsinki.
Today's exchange rate
$1 = €0.87
Average temperature for October in Helsinki
48.2 °F
Avg rainfall for October in Helsinki
2.9 ″

Airports servicing San Francisco

Airports servicing Helsinki

Top 10 airlines flying from San Francisco to Helsinki Helsinki-Vantaa

The chart below displays the airlines Cheapflights users traveling from San Francisco to Helsinki choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Icelandair
$326 $922 No cancel fee 76%
British Airways
$406 $884 No cancel fee 70%
Lufthansa
$434 $908 No cancel fee 76%
Iberia
$441 $1,218 No cancel fee 77%
Norwegian
$449 $766 No cancel fee 74%
SAS
$457 $1,033 No cancel fee 77%
Finnair
$459 $1,023 No cancel fee 76%
American Airlines
$462 $1,005 No cancel fee 71%
Delta
$477 $952 No cancel fee N/A
KLM
$496 $946 No cancel fee 75%
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