22 nights · Ocean cruise
22 Night Baltic Sea Discovery Oslo to Helsinki
Aboard Seven Seas Mariner with Regent Seven Seas Cruises
- Nights
- 22
- Departs
- Oslo to Helsinki
- Sailings
- 1
- From
- $20,599
Check price on CruiseDirect (opens in a new tab) See 1 sailing
Upcoming sailings
Lowest fares in US dollars by cabin, refreshed every Monday, last on Sep 28, 2026. Pick a date and we will confirm the live price.
| Departs | Inside | Oceanview | Balcony | Suite | Enquire |
|---|---|---|---|---|---|
| to | — | — | — | $20,599 | Check price departing Jul 27, 2028 on CruiseDirect (opens in a new tab) |
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