Seabourn Ovation will sail from Athens starting 3 July, with another four Seabourn ships due to return to service over the 10 months to April 2022.
On 18 July, Seabourn Odyssey will depart Bridgetown in Barbados and will sail the southern Caribbean.
Odyssey will be followed by Quest, which will sail an ex-Miami Antarctica season starting 7 July.
Next year, Seabourn Sojourn will depart on a world cruise from Los Angeles (11 January), before Seabourn Encore starts sailing from Athens (17 April).
