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Security Screening and Checkpoints

Travelers can access ALL gates from ANY checkpoint. Passengers should arrive two hours before domestic travel and three hours before international travel. There are five main checkpoints at Sea-Tac Airport featuring general, premium, CLEAR, TSA Pre✓® and ADA-friendly screening.

Security Checkpoint Map

Click here for a printable PDF of this map

Checkpoint Hours of Operation

Security checkpoints at Sea-Tac are managed by the Transportation Security Administration (TSA). TSA General and TSA Pre✓®  screening hours are subject to change based on operational needs.

For live checkpoint wait times at Sea-Tac Airport download our free app for iOS!

To see the TSA Pre✓® Checkpoint Schedule and when lanes are open at Sea-Tac Airport, please refer to TSA's website. All checkpoints are ADA accessible.

Checkpoints and

Screening Types Available

Checkpoint

Operating Hours

Checkpoint 1

CLEAR and TSA Pre✓® ONLY

*Open Daily 4:00 a.m. - 4:00 p.m.

Checkpoint 2

CLEAR, General and Premium Screening

*Open Daily 4:00 a.m. - 11:00 p.m.

Checkpoint 3

CLEAR, General and Premium Screening

*Open Daily

General and Premium Screening: 24 hours

CLEAR: 4:00 a.m. - 10:00 p.m.

Checkpoint 4

CLEAR and TSA Pre✓® Screening ONLY

*Open Daily 4:00 a.m. - 11:00 p.m.

Checkpoint 5

CLEAR, General and Premium Screening

*Open Daily 4:00 a.m. - 11:00 p.m.

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

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