Oceania Cruises

Oceania Sirena

Ocean Cruise Ship | Renaissance / R-class Class

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Oceania Sirena Itineraries & Sailings

Upcoming sailings on Oceania Sirena, earliest departure first.

46 Sailings Found
Civitavecchia-Rome, Italy

8 Days One-Way from Civitavecchia-Rome to Istanbul

Oceania Sirena

Departs
November 5th 2026
Duration
7 nights
Ports of call: +1 more port
Istanbul, Turkey

40 Days One-Way from Istanbul to Lisbon

Oceania Sirena

Departs
November 12th 2026
Duration
39 nights
Ports of call: +33 more ports
Istanbul, Turkey

21 Days One-Way from Istanbul to Civitavecchia-Rome

Oceania Sirena

Departs
November 12th 2026
Duration
20 nights
Ports of call: +15 more ports

Why Book With Waterways Cruise?

Four decades of expertise, one dedicated advisor, and every detail handled, from your front door to the gangway and back.

Personal Service

Cruise Concierge

A dedicated advisor who learns your name, your travel style and your preferences, then stays with you from the first conversation to the day you return home. Not a call center. Never a stranger.

Tailor-Made

100% Custom‑Built

No cookie-cutter packages. Flights, hotels, transfers and shore days are designed from scratch around how you actually like to travel, then refined until the trip feels like yours.

Expertise

40+ Years in Travel

Founded by J. Richard, a four-decade veteran of the travel industry, and focused solely on premium river and ocean cruising. Decades of ship and itinerary knowledge go into every recommendation.

Security

Book With Total Confidence

A travel agency that is a proud member of Signature Travel Network, CLIA, ASTA and IATA.

Istanbul, Turkey

11 Days One-Way from Istanbul to Venice

Oceania Sirena

Departs
November 12th 2026
Duration
10 nights
From
$2,320
per person, double occupancy
Ports of call: +5 more ports
Istanbul, Turkey

28 Days One-Way from Istanbul to Barcelona

Oceania Sirena

Departs
November 12th 2026
Duration
27 nights
Ports of call: +22 more ports
Departs
November 22nd 2026
Duration
10 nights
From
$3,600
per person, double occupancy
Ports of call: +5 more ports
Civitavecchia-Rome, Italy

8 Days One-Way from Civitavecchia-Rome to Barcelona

Oceania Sirena

Departs
December 2nd 2026
Duration
7 nights
From
$3,412
per person, double occupancy
Ports of call: +2 more ports
Civitavecchia-Rome, Italy

20 Days One-Way from Civitavecchia-Rome to Lisbon

Oceania Sirena

Departs
December 2nd 2026
Duration
19 nights
Ports of call: +13 more ports
Barcelona, Spain

13 Days One-Way from Barcelona to Lisbon

Oceania Sirena

Departs
December 9th 2026
Duration
12 nights
From
$2,812
per person, double occupancy
Ports of call: +6 more ports
Departs
December 9th 2026
Duration
25 nights
From
$13,149
per person, double occupancy
Ports of call: +15 more ports
Lisbon, Portugal

14 Days One-Way from Lisbon to Civitavecchia-Rome

Oceania Sirena

Departs
December 21st 2026
Duration
13 nights
From
$5,925
per person, double occupancy
Ports of call: +5 more ports
Civitavecchia-Rome, Italy

11 Days One-Way from Civitavecchia-Rome to Lisbon

Oceania Sirena

Departs
January 4th 2027
Duration
10 nights
From
$3,250
per person, double occupancy
Ports of call: +4 more ports