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Sea-Tac Airport approves $250 million for major updates

Oct 26, 2022, 1:41 PM | Updated: 1:45 pm
South Concourse Evolution project renderings (Photo from the Port of Seattle)
(Photo from the Port of Seattle)

Expect more upgrades at Sea-Tac Airport, with the Port of Seattle commission just approving more than $250 million to advance two key projects.

This includes the SEA Gateway Project, a partnership with Alaska Airlines to modernize the 40-year-old ticketing, security, and baggage claim areas in the terminal’s north end.

Sea-Tac Airport expects rush of travelers this autumn

“Passengers already can experience the night and day difference where we offer the most modern facilities, amenities, and sustainability. We are working to bring that experience across the entire airport so passengers can travel with more space, less time in line, and an overall more predictable experience,” said Port of Seattle Commissioner Sam Cho.

The project is set up in multiple phases, with the first phase including the addition of 24,500 new square feet designated for employee office and ticket counter space. The second phase will expand the north security checkpoint to an additional lane, with the option to add a seventh if passenger volumes continue to increase.

Phase one is expected to be completed next year, and phase two by 2025.

A second major project is a remodel of the “S” concourse, which has only had minimal remodels since the 1980s, to include more space for restaurants and shops. These renovations will consist of safety improvements like earthquake resiliency, as well as design improvements, including expanding “environmental efficiencies” and making more space for restaurants and shops.

The multi-phase project is expected to be complete by 2031 at the cost of $1.5 billion.

“SEA has been one of the fastest growing airports for a decade, mirroring the growth happening in the region,” said Sea-Tac Airport Managing Director Lance Lyttle. “During peak periods, our terminal is stretched to its max, making it a challenge to deliver the efficient, predictable experience that passengers deserve. To hit our efficiency and customer service goals, we need to build up, modernize where we can, and introduce new technology.”

Other airport upgrades include funding for upgrading restrooms to include, “brighter lighting, water-saving fixtures, touchless features, larger, more accessible stalls and enhanced art features.”

Visit the airport’s projects page for a summary of current improvements.

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Sea-Tac Airport approves $250 million for major updates