HEL → SFO
Cheap flights from Helsinki to San Francisco
We track fares from Helsinki to San Francisco, United States every day. Across 50 prices we've logged, the cheapest was €635 return and a typical fare runs around €787. The cheapest month to fly is usually Aug 2026.
Cheapest seen
€635
Typical price
€787
Cheapest month
Aug 2026
Non-stop
With a stop
No live deal on this exact route right now — but the typical fare is around €787. Search your dates below, or browse all deals to United States.
Cheapest months to fly
The typical cheapest fare by month, from our tracking — a guide only. Check the live price on Aviasales before booking.
| Month | Typical from | Check price |
|---|---|---|
| Sept 2026 | €881 | Check on Aviasales → |
| Dec 2026 | €787 | Check on Aviasales → |
Each link opens the live Aviasales search for that month, where you can pick the exact cheapest dates.
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Helsinki to San Francisco: the basics
- Route
- Helsinki (HEL) → San Francisco (SFO)
- Distance
- 8,724 km
- Non-stop
- No (with a stop)
- Airlines seen
- Finnair, Ryanair, Lufthansa, SAS
Planning the trip? United States: what to see and when to go covers where to go and when.
Where these flights connect
There is no non-stop flight from Helsinki to San Francisco. Based on the airlines that fly this route, connections are usually through Frankfurt, Copenhagen — worth checking when you compare fares.