Seattle International Airport (SEA) Wait Time & TSA Details

The average security wait time at Seattle-Tacoma International Airport (SEA) is approximately 25 minutes. Longer SEA airport wait times are commonly observed during peak travel hours; early morning (5:00 a.m. to 9:00 a.m.), mid-day (2:00 pm to 5:00 pm), and late night (9:00 pm to 11:00 pm). The Transportation Security Administration (TSA) operates multiple security checkpoints throughout the airport, primarily located in the Central Terminal area. SEA also offers TSA PreCheck, SEA Spot Sevar and CLEAR expedited screening services.

Current Average Wait Times at Seattle International Airport

The current estimated wait time at security checkpoints at Seattle-Tacoma International Airport (SEA) is about 14 minutes (based on official information). However, wait times can change, so it’s best to arrive at the airport at least 2 hours before a domestic flight and 3 hours before an international flight.

Current Average Seattle Airport Wait Times
CheckpointsScreening TypesOperating Hours
Checkpoint 1General Screening4:00 am to 8:00 pm
Checkpoint 2TSA PreCheck and CLEAR4:00 am to 4:00 pm
Checkpoint 3General ScreeningCLEARSEA Spot Sevar4:00 am to 11:00 pm6:00 am to 4:00 pm4:00 am to 10:00 pm
Checkpoint 4General Screening, CLEAR, Premium, SEA Spot Saver, SEA Visitor PassGeneral: 24 hoursSEA Spot Saver and SEA Visitor Pass – 4:00 am to 10:00 pm
Checkpoint 5TSA PreCheck and CLEAR4:00 am to 10:00 pm
Checkpoint 6Temporarily closed

Seattle Airport TSA Wait Times

The average SEA Airport TSA wait times are 10 minutes to 25 minutes based on number of passengers and time of the day. However, before checking TSA wait times at SeaTac Airport, passengers should know about the security checkpoints and their operating hours.

Current Wait PreCheck Available
5 minutes and 48 seconds ✅ Yes

TSA Pre-Check Checkpoints

Terminal Checkpoint Status
Terminal MAIN Checkpoint 1 Closed
Terminal MAIN Checkpoint 3 Closed
Terminal MAIN Checkpoint 4 Open
Terminal MAIN Offsite Checkpoint Closed

Current Average TSA Wait Times at Seattle-Tacoma International (SEA)

Time Slot Wait (mins)
1 am - 2 am 17.1 min
2 am - 3 am 12.6 min
3 am - 4 am 7.1 min
4 am - 5 am 3.1 min
5 am - 6 am 13.5 min
6 am - 7 am 24.2 min
7 am - 8 am 26.5 min
8 am - 9 am 16.6 min
9 am - 10 am 18.9 min
10 am - 11 am 14.9 min
11 am - 12 pm 14.7 min
12 pm - 1 pm 11.4 min
1 pm - 2 pm 17.1 min
2 pm - 3 pm 15.2 min
3 pm - 4 pm 0.0 min
4 pm - 5 pm 26.6 min
5 pm - 6 pm 13.6 min
6 pm - 7 pm 9.3 min
7 pm - 8 pm 13.4 min
8 pm - 9 pm 6.8 min
9 pm - 10 pm 10.6 min
10 pm - 11 pm 24.4 min
11 pm - 12 am 20.1 min

Expedite Security Screening Programs at SEA Airport

Passengers can enroll in advanced security screening programs like TSA PreCheck, SEA Spot Sevar and CLEAR to clear the security checkpoints in no time.

TSA PreCheck: Passengers flying with participating airlines can access dedicated TSA PreCheck lanes, where they benefit from quicker screening procedures. These benefits include keeping on shoes, light jackets, and belts, as well as leaving laptops and 3-1-1 compliant liquids inside carry-on bags. TSA PreCheck is available at checkpoints 2 and 5.

CLEAR: With this program, the security staff typically checks ID and boarding passes which is done using fingerprint or iris scans. Travellers accompanied by children under 18 can bring them through the expedited line as well.

Custom Wait Time at SEA Airport

TSA PreCheck provides expedited security screening for eligible travellers, including select frequent flyers of participating airlines and members of U.S. Customs and Border Protection (CBP) Trusted Traveler programs.

Frequently Asked Question (FAQs)

How much time can it take to get through SEA Airports’ security screening?

It can take up to 14 to 25 minutes to clear security screening at SEA Airport.

When are the busiest times at SEA security checkpoints?

Peak periods usually include early morning (5–9 am), mid-day (2:00 pm to 5:00 pm), and late night (9:00 pm to 11:00 pm).

Does SEA Airport offer expedited screening options?

Yes. SEA supports TSA PreCheck, SEA Spot Saver, and CLEAR for faster processing.