Nerd Trip 2023 Fly in to Portland May 23 from COS on Southwest with a layover in Vegas. Core Portland days: May 26 – 27. Staying at The Porter. Transition to Seattle on May 28. Some people will return to COS. Amtrak PDX 8:20 AM to SEA 11:45 AM. Core Seattle days: May 29 – 30. Staying at The Fairfield Inn & Suites Seattle Downtown/Seattle Center. Leave Seattle May 31 on Southwest Flight 1449 at 3:20 PM with a layover (1 hour and 15 minutes) in Phoenix flying out Flight 1095 at 7:20 PM landing in COS at 9:55 PM.