Menu Home

Security Screening and Checkpoints

Security Checkpoint Map

Click here for a printable PDF of this map

Travelers can access all gates (A,B,C,D,S & N) from any checkpoint. The central checkpoint is open 24/7.

There are four main checkpoints at Sea-Tac and a fifth that is opened as needed during peak periods. Sea-Tac recommends passengers arrive two hours before domestic travel and three hours before international travel.

Checkpoint Hours of Operation

Security checkpoints at Sea-Tac are managed by the Transportation Security Administration (TSA).

TSA Pre✓® hours are subject to change based on operational needs. To see the TSA Pre✓® Checkpoint Schedule and when lanes are open at Sea-Tac Airport, please refer to TSA's website.

*Hours subject to change based on TSA operations, closure times evaluated daily

Checkpoint 1

Seasonal Only

Closed: Open seasonally

5:00 a.m. - 12:00 p.m.

Checkpoint 2

General screening, TSA Pre✓® , Premium, ADA, CLEAR

*Open Daily

4:00 a.m. - 11:00 p.m.

Checkpoint 3

General screening, TSA Pre✓® , Premium, ADA, CLEAR

Open Daily

24 hours

Checkpoint 4

General Screening, TSA Pre✓®

Open Daily

TSA Pre✓® ONLY: 4:00 a.m. - 12:00 p.m.

General Screening ONLY: 12:00 p.m. - 10:00 p.m.

Checkpoint 5

TSA Pre✓® Only

*Open Daily

4:00 a.m. - 11:00 p.m.

 

Back to Top