
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $854 (Turkish Airlines) |
One-way from | $454 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $916 |
Fly from
Fly to
Route
Depart
Return
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Thu 9/3
7:35 pm-10:50 am
1 stop25h 15m
San Francisco
Mon 9/7
6:45 pm-11:10 am
1 stop30h 25m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Mon 5/11
7:00 am-11:45 am
1 stop14h 45m
San Francisco
Tue 5/26
10:29 am-4:40 pm
2 stops20h 11m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Thu 9/3
6:10 am-2:40 pm
1 stop18h 30m
San Francisco
Mon 9/7
4:45 pm-8:35 pm
2 stops17h 50m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Mon 5/11
1:55 pm-11:45 am
1 stop31h 50m
San Francisco
Wed 5/27
1:45 pm-5:40 pm
1 stop17h 55m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Mon 5/11
6:55 am-12:40 pm
1 stop15h 45m
San Francisco
Wed 5/27
1:05 pm-12:40 am
2 stops25h 35m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Mon 7/20
11:30 pm-9:55 pm
2 stops32h 25m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Mon 6/22
11:30 pm-4:40 pm
2 stops27h 10m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Sun 7/19
3:00 pm-9:55 pm
2 stops40h 55m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Mon 7/13
11:30 pm-9:34 pm
3 stops32h 04m
HelsinkiSan Francisco
HEL - SFO
HELSFO
Helsinki-Vantaa
Sun 7/12
3:50 pm-4:06 pm
3 stops58h 16m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Helsinki to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Helsinki to San Francisco (average of $749). Flying from Helsinki to San Francisco in March is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
About 100% of weekly flights between Helsinki and San Francisco have experienced delays in the past year, with the average delay time being 101 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
CPH - ORD
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
CPH - ORD
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
CPH - ORD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$682 | Average$829 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$840 | Average$953 | FlexibilityNo cancel fee | On-time76% |