Seattle–Tacoma International Airport Map (Most Up-To-Date)
Seattle–Tacoma International Airport (SEA) is a compact central terminal with four main concourses (A–D) branching from the core, plus two detached satellite concourses (North Satellite/N gates and South Satellite/S gates) reached by the SEA Underground people-mover. The International Arrivals Facility (IAF) ties into the South Satellite via a long elevated walkway. The whole layout runs roughly north–south, with curbside/garage on the east side of the terminal core, within Seattle’s main airport grounds.
Map Table
| Terminal | Key Airlines | Primary Function | Transfer Mode |
|---|---|---|---|
| Central Terminal (A–D) | Alaska, Delta, United | security, dining, main-gate access | walk corridors, SEA Underground |
| North Satellite (N) | Alaska, partners | satellite gates | SEA Underground Green Line |
| South Satellite (S) | Delta, international | widebody gates, IAF arrivals feed | SEA Underground Blue Line, IAF aerial walkway |
| IAF / Grand Hall | CBP, international processing | bags-first arrivals, recheck split | aerial walkway, vertical escalators/elevators |
Seattle–Tacoma International Airport Map Strategy
- Treat the satellites as separate islands: plan every N-gate move around the SEA Underground, and mentally preload the bus-bridge fallback route so an outage doesn’t trap you at the C/D station crowd.
- For IAF arrivals, budget the long march as a single continuous chain (gate corridor → big escalator bank → aerial span → CBP queue), and keep your group together before the first vertical climb to avoid losing people in the funnel.
- Defuse bottlenecks by routing around the C/D pinch zones: avoid “centerline” walking near the C train-stop area and the D2–D3 throat when boarding queues spill into the corridor.
- Pick security like a tool, not a habit: Door-number targeting beats “shortest-looking line,” especially when Spot Saver availability and checkpoint hours force you to the right entrance the first time.
2026 Seattle-Tacoma International Airport Terminal Map + Printable PDF
In 2026, SEA’s map-critical realities are the same: forced-distance walks (especially IAF international arrivals), chokepoint corridors in the C/D spine, and satellite-gate dependence on the SEA Underground. Concourse C construction and crowding effects make lane choice and checkpoint targeting matter more than “closest entrance,” especially around Door 10–Door 26 and the C/D train station.
Seattle–Tacoma International Airport Concourse A Map 2025
Seattle–Tacoma International Airport Concourse B Map 2025
Seattle–Tacoma International Airport Concourse C Map 2025
Seattle–Tacoma International Airport Concourse D Map 2025
Seattle–Tacoma International Airport Concourse S Map 2025
Seattle–Tacoma International Airport International Arrivals Map 2025
2026 Seattle-Tacoma International Airport Terminal Map Guide
What is the exact walking distance (feet/meters) from the South Satellite international arrival exit to CBP/Passport Control in the IAF?
Walking distance is approximately 1,071 to 1,150 feet (326 to 350 meters) from the South Satellite international arrival flow to the CBP/Passport Control queue in the IAF. This includes the forced vertical access to the bridge deck and the full aerial span before you ever reach processing.
The shortest continuous path runs from the S-gate sterile exit corridor to the base of the first escalator bank in the South Satellite V-pier, up the 191-foot escalator run, across the 780-foot aerial walkway, then through the IAF transition segment into the Grand Hall CBP queue. Expect the slowest movement at the escalator loading area and again where multiple widebody arrivals “platoon” onto the bridge.
Where is the first escalator/elevator that connects South Satellite arrivals to the IAF aerial walkway, and what is its exact map position relative to the exit corridor?
The first escalator/elevator bank is integrated into the V-pier support structure at the northeast corner of the South Satellite, directly at the end of the sterile international arrivals corridor. It functions as the gateway from concourse level up to the IAF aerial walkway deck.
Passengers exiting S gates into the secure arrivals corridor are funneled northward; the corridor terminates at the vertical conveyance core. The escalators sit immediately ahead at the flow’s natural endpoint, with elevators adjacent in the same structural bay for mobility and carts. The key map cue is that you hit the escalator bank before any long horizontal bridge walking begins—once you commit upward, the next decision point doesn’t occur until you reach the IAF side.
What is the shortest walking route (and distance) from the C Concourse train stop to the North Satellite (N gates) train platform entrance?
There is no walking route because the North Satellite is physically detached from the main terminal and only accessible via the SEA Underground Green Line. The shortest “route” is a train ride, not a pedestrian path.
From the C/D station area in the main terminal, the only public connection to the N gates is boarding the Green Line and riding to the North Satellite station, then walking up into the N concourse. Any apparent “walkable” alternative would require entering secured airfield/apron space, which is not a passenger-access corridor. This is why the C/D station becomes a high-stress choke point during disruptions: when the train isn’t running, the terminal has no redundant public walkway to N gates.
If the SEA underground people-mover to the North Satellite is out of service, where is the bus substitution pickup point located (exact curb/door/level), and what is the walking distance from the train platform to that point?
Bus substitution loads from ground-load doors on the apron level, reached by descending from the C/D station area to tarmac-access points near the C-gates side around Gate C11–C15. Walking distance from the train platform area to the ground-load descent point is roughly 500–800 feet (150–245 meters), plus a full level change.
| Segment | Map anchor point | Approx. distance |
|---|---|---|
| Start | SEA Underground C/D station area, concourse level near mid-C gates (around C16) | — |
| Walk | Concourse corridor toward the C11–C15 zone | ~400 ft / 120 m |
| Descend | Emergency stairs/elevator down to apron/ground-load level | vertical transition |
| Load | Ground-load door area on the tarmac-side pickup point | ~100–400 ft / 30–120 m |
| Total | Train station area → ground-load pickup | ~500–800 ft / 150–245 m + vertical |
Where is Security Checkpoint 5/6 physically located relative to Alaska ticketing, and what is the shortest mapped walking route from the Alaska counters to that checkpoint entrance?
Security Checkpoint 5 sits immediately beside Alaska ticketing at Door 25 on the far north end of the ticketing level. The shortest route from the Alaska counters to the checkpoint entrance is under 100 feet (about 30 meters).
From the main Alaska bag-drop line, face the terminal’s interior wall and walk straight toward the Door 25 signage cluster; the checkpoint entry is the first screening entrance you reach on that north end. The key map anchor is Skybridge 6 feeding into the same north ticketing zone, so if you’re coming from the garage/link side, you’ll land essentially on top of the Alaska/ Door 25 area. This checkpoint is PreCheck-only, so general screening from Alaska flows south to Checkpoint 4 instead.
Where is the SEA Spot Saver entry queue positioned inside/adjacent to Checkpoints 2’s screening footprint (exact doorway/queue start location)?
SEA Spot Saver at Checkpoint 2 starts at the dedicated Spot Saver lane entrance inside the Door 10 / Skybridge 2 checkpoint footprint, positioned on the far-right side when you face the screening area from the ticketing lobby. The queue begins at the QR-code scan point that separates Spot Saver from the general standby line.
The practical landmark is the Door 10 / Skybridge 2 entry zone on the south end of ticketing: as you approach the checkpoint mouth, keep right to the clearly separated reservation lane rather than joining the central general queue. The Spot Saver lane is not a merge-from-anywhere priority line; the valid start is the scanner-controlled entrance at the checkpoint front edge, just before the divest tables and belt feeds.
Which exact D-gates pinch-point corridor (by nearest gate numbers) creates the narrowest pass-through, and what is its measured corridor width on the map?
A scale-measurable corridor width is not published on SEA’s public-facing maps; the narrowest pinch-point is the D Concourse throat between Gates D2 and D3. That D2–D3 segment is the constriction that repeatedly collapses two-way flow when boarding lines spill into the main path.
This pinch point sits right at the entrance to Concourse D, where through-traffic to D4–D11 and the D-Annex funnel past active D2/D3 queuing. The best positional triangulation is “immediately inside Concourse D from the central terminal side,” with D2 and D3 as the bounding anchors on either side of the corridor. When you hit that throat, the effective usable width shrinks further whenever wheelchairs, strollers, or gate-side lines occupy the edges.
Where is the C-gates walkway segment where seating encroaches into the main path (nearest gate numbers), and what is the remaining walkable width?
The seating-encroachment segment is adjacent to Gate C10, near the Wolfgang Puck Express holdroom/dining edge where seats and bags bleed into the main C-corridor. Remaining walkable width is not given as a fixed dimension on the public map, but operationally the clear path is typically reduced by about 30–40% during peak periods.
Use Gate C10 as the primary anchor, with the food outlet frontage as the secondary cue: this is where through-traffic to higher C gates gets forced into a narrower “single stream” lane around seated passengers and luggage. If you’re moving with rollers or a family group, the lowest-friction tactic is to take the cleanest inside line early (before you reach C10) instead of trying to pass at the tightest point where people tend to stop and park bags.
Where is the Cell Phone Waiting Lot entrance relative to the airport loop roads, and what is the shortest mapped driving path from that entrance to Arrivals Drive?
Cell Phone Waiting Lot entry is off the S 170th St exit, using the newer keep-right ramp rather than the older left turn across traffic. The fastest drive from the entrance back to Arrivals Drive runs via Air Cargo Road and then back onto the Airport Expressway loop.
| Step | Route segment | Landmark triangulation |
|---|---|---|
| 1 | Enter Cell Phone Lot from S 170th St via the right-side ramp | S 170th St exit off Airport Expressway |
| 2 | Exit lot onto Air Cargo Road | lot exit feeds Air Cargo Road loop |
| 3 | Follow Air Cargo Road northbound/looping toward the expressway connection | parallels airfield edge before rejoining loop roads |
| 4 | Merge back toward the Airport Expressway and follow signs for Arrivals Drive | Airport Expressway → Arrivals Drive loop merge |
What is the nearest Arrivals Drive pickup door to the parking garage pedestrian skybridge exit, measured by walking distance (door number → skybridge exit)?
Door 2 is the nearest Arrivals Drive pickup door to the parking garage skybridge exit stack at the terminal’s north end. This alignment sits directly below Skybridge 6, which lands on the ticketing level near Door 26 on the garage side.
| Candidate door | Why it’s the nearest | Map anchor points |
|---|---|---|
| Door 2 | Closest signed Arrivals-level door under the Skybridge 6 vertical stack | Skybridge 6 → north-end vertical core → Arrivals curb |
| Door 00 | Essentially the same north-end stack in some door-numbering schemes | Skybridge 6 area → descend to Arrivals level → northmost doors |
If you’re navigating by landmarks, treat “Skybridge 6 / north garage connection” as the top reference, then go straight down to Arrivals and exit at the first north-end door you hit; Door 2 is the safest target to call out for pickups.
What is the exact walking distance from the Link light rail platform to the nearest baggage claim escalator (fastest path)?
Walking distance is approximately 1,200 feet (366 meters) from the Link light rail platform to the nearest baggage claim escalator on the fastest path. This is the core “last-mile” gap between SeaTac/Airport Station and the terminal.
The quickest route runs from the Link platform up to the station exit, across the pedestrian bridge over International Boulevard, into the parking garage connection, then through the garage’s Level 4 pedestrian corridor to Skybridge 6 into the terminal’s north end. From there, you follow the most direct vertical path down to baggage claim via the nearest escalator bank. Congestion and slow movers usually hit hardest at the bridge/garage chokepoints and at the terminal vertical cores, so the measured 1,200 feet is only the walking component.
Which level and corridor form the primary pedestrian connection from baggage claim to the Link station through the parking garage (exact map route)?
Level 4 of the parking garage is the primary pedestrian connection corridor between baggage claim and the Link station. The route uses the Skybridge 6 connection into the garage, then follows the dedicated Level 4 garage aisle to the pedestrian bridge over International Boulevard into the station.
From baggage claim (Level 1), take the nearest vertical core up to the skybridge level and cross Skybridge 6 at the terminal’s north end into the garage. Once inside the garage on Level 4, stay on the marked pedestrian corridor running east toward the International Boulevard crossing. The key anchor points are Skybridge 6 on the terminal side and the pedestrian bridge landing on the station side; if you’re not on Level 4 in the garage, you’re usually on the wrong plane for the direct station walk.
Where exactly is the outdoor/exposed segment on the route between the D21–D26 annex area and the nearest train access point, and how long is that segment in feet/meters?
There is no public outdoor/exposed segment on the standard walking route between the D21–D26 annex and the nearest SEA Underground access because the annex connects via an enclosed skybridge back to the D Concourse. The exposed walking people remember is usually from irregular operations (hardstand/tarmac loading), not the D-Annex connector.
The D-Annex (D20–D26) ties back to the older D Concourse near the Gate D7 connector zone, and passengers remain indoors the entire way to reach the central terminal corridors leading toward the C/D train station. If you are being routed to buses for a people-mover outage, that’s a different scenario: those ground-load paths can involve apron-level outdoor movement, but the normal D21–D26 to train-access walk is fully enclosed.
Where are the designated off-airport parking shuttle pickup/drop zones (exact door numbers/curb sections) and what is the walking distance from each zone to the nearest security checkpoint entrance?
Off-airport parking and hotel courtesy shuttles use the Ground Transportation Plaza on the 3rd floor of the parking garage at Islands 1 and 3, not the curbside door lanes. Walking distance from Islands 1/3 to the nearest security checkpoint entrances is about 300–400 feet (90–120 meters), depending on which skybridge you take into ticketing.
From Island 1 or 3, walk to the nearest garage-to-terminal skybridge (typically Skybridge 3 or 4), cross into the ticketing level, then you’re essentially at the checkpoint cluster for that mid-terminal zone (Checkpoints 3/4). The most reliable wayfinding anchors are “Garage Level 3” and the island number signage; if you find yourself at Arrivals Drive doors, you’ve dropped to the wrong level for shuttles.
After international arrivals, where is the checked-bag recheck/drop point for connecting passengers located (exact map position between CBP exit and the next TSA entrance)?
The checked-bag recheck belt is immediately to the right after you exit the Customs Hall with your bags, before you pass into the public Arrivals Hall. This right-hand branch is the connecting-passenger path back toward the post-arrival TSA re-screening flow.
The decision point sits directly after CBP processing at the “split” where the left stream exits into the public greeting area (Gina Marie Lindsey Hall / arrivals), and the right stream feeds the baggage recheck drop. Use the CBP exit doors as the anchor: keep your bags and stay inside the sterile corridor until you physically see the recheck belt and airline handoff area. If you follow the crowd through the left-side public exit, you’re landside and cannot backtrack to recheck without going upstairs to ticketing and re-clearing standard security.
Archive Seattle-Tacoma International Airport Terminal Maps
Below are all historical map versions for SSeattle-Tacoma International Airport. Each year includes the official map available for that period, presented as both WebP and PDF.
2024 San Francisco International Airport Map
