21 Day/21 Night Cruises out of Seattle, Washington

Are you looking for 21 day cruises that leave from Seattle, WA? As of today - October 25, 2025 - there are just 2 such cruise options. These cruise options are offered by two cruise lines - Cunard (just 1 sailing on Queen Elizabeth) and Holland America (just 1 sailing on Eurodam).

In the following table you can see all 21 day cruises that depart from Seattle sorted by departure date.