Seattle–Tacoma International Airport Ground Transportation Map (2025)
This Seattle–Tacoma International Airport Ground Transportation Map highlights parking, trains, and Link Light Rail access across SEA’s single-terminal layout.
That’s because Seattle–Tacoma International Airport (SEA) operates one main terminal with Concourses A through N, connected by an underground automated train. Follow “Passenger Train” and “Link Light Rail” signs on Level 2 for the quickest movement between concourses and city connections.
The map shows curb levels, shuttle areas, and ADA-access routes so travelers can plan ahead. Arrivals are on the lower level, Departures above—watch the signage colors for orientation.
Seattle-Tacoma International Airport Ground Transportation Map 2025
In 2025, Seattle-Tacoma International Airport opened a new Upper/Departures Drive with a completed westside retaining wall, adding two new southbound lanes dedicated to shuttles, taxis, and parking access.
These roadway upgrades introduced expanded curbside zones, improved signage, and stormwater treatment systems.
During the same period, TSA Security Checkpoint 6 at the north end of the terminal was closed temporarily for construction work scheduled to continue later into the year.
Seattle-Tacoma International Airport ADA Access Map 2025
In 2025, Seattle-Tacoma International Airport opened a new security checkpoint in June, expanding ADA-accessible screening options across all checkpoint areas.
TSA Security Checkpoint 6, located at the far north end, remained closed for construction until later in the year.
Roadway improvements added two new southbound lanes dedicated to shuttles, taxis, and airport parking, enhancing accessibility for ADA-designated parking and ground transport connections throughout the airport.
Seattle-Tacoma International Airport Train System Map 2025-2023
In 2025, Seattle-Tacoma International Airport’s SEA Underground train system continues control upgrades causing temporary overnight station closures with shuttle bus replacements.
Scheduled overnight shutdowns further limit train stops throughout the year. Beginning January 8, 2025, construction starts on a new elevator for the SeaTac Airport Station pedestrian bridge, affecting station access and continuing into 2026.
These combined projects maintain restricted service periods across multiple train stations during construction phases.
Seattle-Tacoma International Airport Parking Garage and Transportation Map 2025-2020
In 2025, Seattle-Tacoma International Airport introduced a planned license-plate reading system designed to deter roadside waiting and unauthorized parking near the terminal.
The fourth floor of the parking garage began guaranteeing spaces for passengers who prebook Reserve Parking, with reservations recommended two weeks in advance.
Due to increased spring travel demand, general garage users were advised to allow an additional 30–45 minutes to locate parking within the facility.
Seattle-Tacoma International Airport Link Light Rail Map 2025-2020
Passenger service on Sound Transit’s Link 1 Line to Federal Way will begin on December 6, 2025, marking the opening of the Federal Way Link Extension.
The project adds nearly eight miles of mostly elevated tracks between SeaTac and Federal Way, with three new stations at Kent Des Moines near Highline College, Star Lake, and downtown Federal Way.
The opening timeline was advanced to as early as winter 2025 to accelerate regional connectivity.
Printable Seattle–Tacoma International Airport Ground Transportation Map PDF 2025 – 2020
FAQ
How early should I arrive at Seattle Tacoma airport?
Arrive at Seattle-Tacoma International Airport at least 2 hours before domestic flights and 3 hours before international flights. TSA wait times, parking availability, and terminal congestion may increase during holidays and peak travel times, so plan accordingly to avoid delays.
What to do during a 5 hour layover in Seattle?
During a 5-hour layover in Seattle, visit the Museum of Flight, take the Link Light Rail to Pike Place Market, or relax at Angle Lake Park near the airport. Allow at least 1.5 hours for security and travel back. Stay nearby if your layover is under 4 hours after deplaning.
How long does it take to get through security at Seattle Tacoma Airport?
It takes 20 to 45 minutes to get through security at Seattle-Tacoma Airport during average hours. Wait times can exceed 60 minutes during holidays or peak travel periods. Arriving early is essential, especially between 5 a.m. and 10 a.m. when TSA lines are longest.
Is Seattle Tacoma airport easy to navigate?
Seattle-Tacoma Airport is generally easy to navigate, with clear signage, a central terminal layout, and a free underground train connecting all concourses. Most gates are accessible within 10–15 minutes after security. However, during peak times, crowding may slow movement between checkpoints.
