Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from San Francisco to Helsinki
Today’s flight suggestion for San Francisco - Helsinki
Outbound October 22, 2026 · Inbound November 4, 2026
Today’s suggestion
6:45 PM
SFO 11:10 AM +2
HEL30h 25m
1 stop
7:05 PM
HEL 5:30 PM +1
SFO32h 25m
1 stop
From $808
12:50 PM
SFO 6:45 PM +1
HEL19h 55m
1 stop
7:05 PM
HEL 5:30 PM +1
SFO32h 25m
1 stop
From $848
12:50 PM
SFO 11:10 AM +2
HEL36h 20m
1 stop
12:15 PM
HEL 5:30 PM +1
SFO39h 15m
1 stop
From $913
Cheapest flight tickets
$464
Average price of a round trip
$717
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
20h47
A flight from San Francisco to Helsinki takes on average 20h47.
Best time
July
According to user searches, the ideal month to go to Helsinki is July.
Tips for finding a cheap flight from San Francisco to Helsinki
Check out our tips for booking your flight to Helsinki (Finland) from San Francisco (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is March, with an average flight ticket price of $643 (calculation over the last two years). The most touristic season corresponds to the months of November, October and November.
For the cheapest flights, it is advisable to buy your ticket at least 44 days before the departure date.
The airline offering the cheapest flight tickets is Scandinavian Airlines. A ticket from the airline Scandinavian Airlines to Helsinki costs on average $709.
The airlines that offer the most flights are .
Price of flight tickets from San Francisco to Helsinki
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $464 to $1301
- The average price of a flight ticket is about $717
- Prices are lowest for stays in the month of March
- The month in which booking a ticket is cheaper is: November
info departure city :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is a city in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {fromLocalTime}, the temperature is on average 15°C, with a minimum of 14°C and a maximum of 18°C.
The city of San Francisco has 1 airport(s): San Francisco
destination info :
Helsinki, Finland
airports :
Helsinki-Vantaa Airport (HEL)
Helsinki-Malmi Airport (HEM)
local time :
Helsinki is in the country Finland, the time zone is [[timezone]]. In Helsinki, it is currently {toLocalTime}, the temperature is on average 9°C, with a minimum of 7°C and a maximum of 11°C.
The city of Helsinki (HEL) has 2 airport(s): Helsinki-Vantaa and Helsinki-Malmi
Useful info about Helsinki
What is the least touristic period to go to Helsinki?
If you want to visit Helsinki during the least touristic period, choose the month of July.
What is the most popular time to travel to Helsinki?
In Helsinki, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from San Francisco to Helsinki?
According to our data, it is recommended to book your flight 44 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. The cheapest day to book a flight from San Francisco to Helsinki is Monday.
What are the arrival and destination airports when traveling between San Francisco and Helsinki?
When you leave, you can leave from San Francisco, and you will arrive at Helsinki-Vantaa.
How to reach San Francisco airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from San Francisco to Helsinki?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between San Francisco and Helsinki?
In summer, the average temperature is 17°C in Helsinki and 17°C in San Francisco. The average rainfall in summer is 80 mm in Helsinki and 2 mm in San Francisco. In summer, it is warmer in Helsinki and it rains less in San Francisco. In winter, it is colder in San Francisco and it rains more in San Francisco.
