Family traveling to Seattle may 2018

[Loguema]

Spoiler

When will may flights be up on the website for may 2018? Because me and my family are flying to Seattle to catch a cruise ship. And will there be non-stops flight that will be available.

[TheMiddleSeat]

From https://www.southwest.com/air/flight-schedules/index.html

We are currently accepting air reservations through April 6, 2018. On August 28, 2017 we will open our schedule for sale through June 1, 2018. This date is subject to change! Please check back frequently