Main terminalAll concourses and satellite gates
Seattle-Tacoma International Airport Main Terminal, SeaTac, WA 98158FAA rank #12 · Large hub
SEASeattle
Seattle–Tacoma International
Verified September 1, 2026
The short answer
SEA security can be the wildcard. Check the FlySEA wait times, book free Spot Saver when eligible, and leave shuttle time for rental cars.
Arrival planner
When should I be at SEA?
Enter the departure time shown on your ticket.
Recommended airport arrival—:—
Enter your departure time
We’ll work backward from the airport’s recommendation.
2 hours before departure
This is your airport arrival time—not the time to leave home. Airline check-in and bag-drop cutoffs still apply.
Security peakEarly mornings, Monday and Friday business periods, cruise season, and holidays
01
Security
What you’re walking into
SEA publishes current checkpoint waits in the FlySEA app. Free SEA Spot Saver appointments are available for general screening from 4 AM to 10 PM.
Check live security wait times before leaving ↗TSA PreCheck● Yes
CLEAR● Yes
Global Entry● Yes
Mobile Passport● Yes
02
Official parking
What it costs
General garage$37/dayFloors 1–3 and 5–8; $222 weekly maximum
Reserved garageDate-basedFloor 4; advance reservation required
03
Ground transportation
Don’t stand at the wrong curb
App-based pickup uses the designated area on the third floor of the parking garage. Follow the pedestrian bridge and signs from baggage claim.
The consolidated Rental Car Facility is off-terminal and reached by free shuttle buses from the baggage-claim level.
All concourses are part of one airport complex. Underground trains serve the North and South Satellites; central concourses are walkable after security.
SEA cell-phone lotFree; 20-minute posted limit2623 S. 170th Street, SeaTac, WA 98188
A free attended cell-phone lot is available near the terminal; the posted waiting limit is 20 minutes.
04
Airport essentials
Everything else worth knowing
Free Wi-Fi● Yes
USO lounge● Yes
Pet relief● Yes
EV chargingLevel 2 charging is available in the airport garage; spaces are first-come, first-served.
SmokingSmoking and vaping are prohibited inside the terminal; use designated outdoor areas.
OvernightSEA operates 24 hours, but checkpoint access, seating, and concessions are limited overnight.
Sources & freshness
Trust the facts. Check the source.
Verified September 1, 2026. Time-sensitive details can change without notice.
SEA parking rates↗FlySEA live waits↗SEA Spot Saver↗SEA ground transportation↗SEA cell-phone lot↗