AirHint found the following cheapest one-way flights from Oakland (OAK) to Helsinki (HEL) in June 2025 (see full year).
One-Way flights
| 30 Jun | Hawaiian Airlines | ||
| 29 Jun | Hawaiian Airlines | ||
| 26 Jun | Sun Country Airlines | ||
| 28 Jun | Spirit Airlines | ||
| 25 Jun | Hawaiian Airlines | ||
| 27 Jun | Hawaiian Airlines |
Also check the deals for return flights from Oakland to Helsinki in June.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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