Seattle-Tacoma International Airport Terminal Map (2025-2024)
Open the Seattle-Tacoma International Airport Terminal Map to plan your route through Sea-Tac International Airport (SEA) with ease.
The airport has one main terminal with concourses A, B, C, and D plus the N and S satellite gates, all linked by the underground Train System. That’s why wayfinding signs point you toward the “North” and “South” trains—your quickest hop between gates.
This map highlights gates, security checkpoints, and ground transport zones so you can navigate confidently. Look for “Baggage Claim / Ground Transportation” on the Arrivals Level 1, or follow the yellow “Train to Concourses” signs after security to move between areas without re-screening.
Seattle-Tacoma International Airport Terminal Map 2025
In 2025, Seattle-Tacoma International Airport advanced several large-scale projects under its FAA-approved master plan, including the addition of a second terminal featuring 19 new gates and major infrastructure upgrades such as expanded taxiways, a new fuel facility, and an off-site cargo complex.
The N Concourse added eight new restaurants and retail spaces.
Concurrently, TSA Checkpoint 6 and select C Concourse restaurants closed for renovations, and the Ground Transportation Info Booth was relocated ahead of construction in October.
Seattle–Tacoma International Airport Terminal Baggage Claim and Ground Transportation Map 2025
In 2025, Seattle–Tacoma International Airport reconfigured its arrival and departure drives to include two new dedicated southbound lanes for shuttles, taxis, and airport vehicles.
The Ground Transportation Information Booth was relocated to the first level of the parking garage before closing on October 13 for renovations extending into Spring 2026, while the 3rd Floor booth underwent expansion.
Additionally, 140 new seats were installed across Baggage Claim Zones 1–3, 5, and the mezzanine in early October.
Seattle–Tacoma International Airport Terminal International Arrivals Facility Map 2025
Seattle–Tacoma International Airport Terminal Ticketing Area Map 2025
In 2025, Seattle–Tacoma International Airport’s ticketing area saw major operational updates. A new TSA Checkpoint 1 opened on the Baggage Claim level, prompting the renaming of the original Ticketing level Checkpoint 1 to Checkpoint 2 on April 17.
Alaska Ticketing Pod 3 closed for renovations while new self-bag-drop kiosks launched in Zones 6 and 7. Door 12 opened and Door 8 closed for accessibility upgrades, and Real ID compliance began on May 7, 2025.
Seattle–Tacoma International Airport Terminal Concourse A Map 2025
In 2025, Seattle–Tacoma International Airport’s Concourse A introduced expanded premier lounge facilities, including the enlargement of The Club at SEA and the addition of a new two-story Delta One and Delta Sky Club.
These developments increased passenger capacity and lounge availability within Concourse A, marking the primary infrastructure enhancement for the year.
Seattle–Tacoma International Airport Terminal Concourse B Map 2025
In 2025, Seattle–Tacoma International Airport’s Concourse B expanded to accommodate relocated United Airlines gates from Concourse A and introduced a new United Club.
The concourse also absorbed additional domestic airline operations as part of the airport’s realignment project, freeing international gates on Concourse A.
Public restroom upgrades completed in late 2024 remained operational, and by April 2025, over 45 dining options were available across Concourse B.
Seattle–Tacoma International Airport Terminal Concourse C Map 2025
In 2025, Seattle–Tacoma International Airport’s C Concourse underwent major expansion, adding four new floors above the existing structure for future dining, retail, and lounge space.
Construction included 13 planned venues such as Chili’s, Stumptown Coffee, Buffalo Wild Wings, and Sub Pop Records, along with new public amenities like a viewing platform and prayer room.
Several existing restaurants and shops closed for the multi-year project, and the main construction crane was removed in August 2025.
Seattle–Tacoma International Airport Terminal Concourse D Map 2025
In 2025, Seattle–Tacoma International Airport’s Concourse D completed the final phase of its restroom renovation program, adding four new facilities, upgrading nine others, and introducing all-gender restrooms.
Gate D6 was reopened as a passenger loading bridge gate after removal of the former walkway ramp and reconnection of utilities, restoring its historic configuration to improve gate operations and terminal access efficiency.
Seattle–Tacoma International Airport Terminal Concourse N Map 2025
In 2025, Seattle–Tacoma International Airport’s N Concourse completed its modernization and opened all new dining and retail spaces.
Eight new venues, including PF Chang’s, Lil Woody’s, Tender Loving Empire, and Show Pony, became operational by May, marking the final phase of tenant openings.
The concourse now features expanded amenities, seismic upgrades, and sustainable design improvements that fully modernized the former 1970s structure for continued passenger use.
Seattle–Tacoma International Airport Terminal Concourse S Map 2025
In 2025, Seattle–Tacoma International Airport began the S Concourse Evolution Project, a long-term rehabilitation and modernization effort scheduled to continue through mid-2034.
The project marks the start of a complete rebuild of the 1970s-era concourse, with full-scale renovation work initiated in the first quarter of the year as part of the airport’s broader modernization program under the Sustainable Airport Master Plan.
Seattle–Tacoma International Airport Terminal Train System Map 2025
In 2025, Seattle–Tacoma International Airport’s SEA Underground train system underwent continued modernization through the Controls Replacement Project, extending system life with upgrades scheduled through 2027.
Overnight station closures and shuttle bus operations occurred from March 17–20 during maintenance work.
By September, the SEA Underground introduced updated route signage and color-coded wayfinding to support travel between the N and S Concourses and streamline passenger navigation across terminal connections.
Printable Seattle-Tacoma International Airport Terminal Map PDF 2025
Seattle-Tacoma International Airport Terminal Map 2024
Seattle–Tacoma International Airport Terminal Central Map 2024
Seattle–Tacoma International Airport Terminal Ticketing Area Map 2024
Seattle–Tacoma International Airport Terminal Baggage Map 2024
Seattle–Tacoma International Airport Terminal Concourse A Map 2024
Seattle–Tacoma International Airport Terminal Concourse B Map 2024
Seattle–Tacoma International Airport Terminal Concourse C Map 2024
Seattle–Tacoma International Airport Terminal Concourse D Map 2024
Seattle–Tacoma International Airport Terminal N Gates Map 2024
Seattle–Tacoma International Airport Terminal S Gates Map 2024
Seattle–Tacoma International Airport Terminal Baby Facilities Map 2024
Seattle–Tacoma International Airport Terminal Parking Info 2024
Seattle–Tacoma International Airport Terminal Parking Garage Map 2024
FAQ
What city is Seattle airport in?
Seattle-Tacoma International Airport is located in the city of SeaTac, Washington. The city lies between Seattle and Tacoma and was named after the airport. SeaTac is part of King County and serves as the main hub for air travel in the region.
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. This allows enough time for check-in, security screening, and reaching your gate, especially during peak travel hours or holidays.
Which Seattle airport is better?
Seattle-Tacoma International Airport (Sea-Tac) is the primary and best airport for most travelers in the Seattle area. It offers the most flights, airlines, and amenities. Other nearby airports like Paine Field serve limited routes and are better for short regional travel.
Is Seattle, Tacoma a good airport?
Seattle-Tacoma International Airport is considered a good airport due to its efficient layout, variety of dining and shopping options, and extensive domestic and international flight network. It consistently ranks among the top U.S. airports for passenger satisfaction and accessibility.
