AiroSignal
North America

Seattle-Tacoma International: project updates, contractors & tenders

AiroSignal tracked 5 opportunities at Seattle-Tacoma International over the past 12 months, and 5 are still active. They break down into 5 project and funding signals. The most recent project signal, from 21 Aug 2026, is "Seattle-Tacoma International (SEA) · $2.5bn S Concourse renovation" (phase: funded, owner: Port of Seattle).

Active
5
Tenders & notices
0
Projects & funding
5
Contracts awarded
0
Last update
21 Aug 2026
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Seattle-Tacoma International at a glance

Passengers
52.7 million (2025)
Operator
Port of Seattle
Opened
1944
Runways
3, longest 16L/34R at 3,627 m (11,901 ft)
Hub airlines
Delta Air Lines, Alaska Airlines, Horizon Air
IATA / ICAO
SEA / KSEA
Elevation
433 ft (132 m)
Website
portseattle.org/sea-tac(opens in a new tab)

Airport facts: Wikidata (CC0) and OurAirports (public domain).

What is being bought at Seattle-Tacoma International

Based on the 5 opportunities AiroSignal tracked here in the past 12 months.

Main themes

  • Infrastructure · 1

Largest known value

US$2.5bn

Seattle-Tacoma International (SEA) · $2.5bn S Concourse renovation

Project signal

Upcoming projects & funding

Project, funding and policy signals at Seattle-Tacoma International, newest first.

  • Project signal

    Seattle-Tacoma International (SEA) · $2.5bn S Concourse renovation

    US$2.5bn · Phase: Funded · Owner: Port of Seattle

  • Project signal

    Seattle-Tacoma International (SEA) · $2.5bn S Concourse modernisation

    $2.5 billion · Phase: Construction · Owner: Seattle-Tacoma International Airport

  • Project signal

    Seattle-Tacoma International (SEA) · new terminal expansion with timber-clad architectural feature

    Phase: Announced · Owner: Seattle-Tacoma International Airport

  • Project signal

    Seattle-Tacoma International (SEA) · airport expansion project community consultation

    Phase: Announced · Owner: Port of Seattle

  • Project signal

    Seattle-Tacoma International (SEA) · Concourse C expansion with timber cladding

    Phase: Construction · Owner: Seattle-Tacoma International Airport

Source links, full details and match scores are in your free AiroSignal briefing.

Questions about Seattle-Tacoma International

Is Seattle-Tacoma International currently tendering?

No open or upcoming tender or notice is listed for Seattle-Tacoma International right now. AiroSignal does track 5 project and funding signals there that can point to future procurement.

How long is the runway at Seattle-Tacoma International?

Seattle-Tacoma International has 3 runways. The longest, 16L/34R, is 3,627 m (11,901 ft) long, with an asphalt/concrete surface. Other runways: 16C/34C at 2,873 m, 16R/34L at 2,591 m.

How many passengers does Seattle-Tacoma International handle?

Seattle-Tacoma International handled about 52.7 million passengers in 2025.

What projects are planned at Seattle-Tacoma International?

AiroSignal has tracked 5 project and funding signals at Seattle-Tacoma International in the past 12 months. The most recent are: "Seattle-Tacoma International (SEA) · $2.5bn S Concourse renovation" (phase: funded), "Seattle-Tacoma International (SEA) · $2.5bn S Concourse modernisation" (phase: construction) and "Seattle-Tacoma International (SEA) · new terminal expansion with timber-clad architectural feature" (phase: announced).

Related airports

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