This page does one job: keep an eye on return fares from Helsinki to San Francisco. You get the cheapest price we have on record, the exact dates it was available on, and how that sits against what the route normally costs.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Helsinki? We track 50 other departure cities for San Francisco, listed at the foot of this page.
Helsinki → San Francisco
for 1 Nov – 14 Nov 2026
✓ live-checked 21 hours ago
Check live price on Skyscanner →Price history 66 checks recorded for this route
lowest seen €528 · typical €736 · highest €1,052 · now €694
The cheapest Helsinki to San Francisco return flight on the radar right now is €694, flying with United via one or more connections. It covers departures in November 2026, and every dated link below opens that exact HEL–SFO search on Skyscanner. The price we usually record on this route is €736. Across 66 recorded checks it has ranged between €528 and €1,052. Our sampling points to November 2026 as the cheapest month to fly Helsinki to San Francisco.
Helsinki to San Francisco flights: common questions
How much is a flight from Helsinki to San Francisco?
The lowest return fare we currently track from Helsinki (HEL) to San Francisco (SFO) is €694. The typical price on this route is €736, so anything near €694 is worth booking quickly. Over 66 recorded checks we have seen it as low as €528 and as high as €1,052.
Which airline flies from Helsinki to San Francisco at this price?
This €694 fare is with United, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from Helsinki to San Francisco?
This €694 fare includes at least one connection. If you need a non-stop Helsinki to San Francisco flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from Helsinki to San Francisco?
Our price sampling points to November 2026 as the cheapest departure month on this route. The dated links on this page cover November 2026.
Is the €694 Helsinki to San Francisco fare still available?
We last confirmed this €694 fare against live Skyscanner availability 21 hours ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this Helsinki to San Francisco deal?
Pick a date pair above or press Check live price. That opens the exact HEL–SFO search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every Helsinki to San Francisco price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Helsinki to San Francisco is often still worth booking within a day or two of the fare we found.