Are you looking for 1 day cruises that leave from Seattle, WA? As of today - July 18, 2025 - there are just 3 such cruise options. These cruise options are offered by just one cruise line - Holland America (total of 3 sailings, 2 on Eurodam and 1 on Noordam).
In the following table you can see all 1 day cruises that depart from Seattle sorted by departure date.