21 Day/21 Night Cruises out of Seattle, Washington

Are you looking for 21 day cruises that leave from Seattle, WA? As of today - September 17, 2025 - there are 4 such cruise options. These cruise options are offered by three cruise lines - Cunard (just 2 sailings, both of them on Queen Elizabeth), Holland America (just 1 sailing on Eurodam) and Norwegian (NCL) (just 1 sailing on Norwegian Joy).

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