TSA checkpoint wait times at Sea-Tac Airport
As you prepare for your flight departing Seattle, use this page to see the current wait times for the TSA checkpoints at Sea-Tac Airport (SEA).
Important note: Currently, there are issues with the feed that helps us display security checkpoint wait times at Sea-Tac Airport. As a result, these times are not always up-to-date. We strongly recommend that you use these wait times as general guidance only, and plan to arrive at the airport at least 2 hours before your domestic flight departs, and 3 hours before your international flight.
Main terminal
Security checkpoints
Legend
Legend
- - Security Area Exit
- - Security Boundary
- - Security Checkpoint
Security checkpoints are managed by the Transportation Security Administration. There are four main checkpoints at the Sea-Tac and fifth that is opened as needed during peak periods. Travelers can reach their gate from any checkpoint. Checkpoint 3 is open 24/7. The opening times for the north and south checkpoints are determined by flight schedules for that day.