SEA’s Concourse C expansion to include an airside observation deck

AvGeeks traveling to, from, or transiting through Seattle-Tacoma International Airport (SEA) will soon have access to a relatively rare amenity, at least in the Pacific Northwest of the United States: an observation deck. Currently expected to open to the traveling public in the second quarter of 2026, the expanded concourse will add at least 10 r...

• Published date: 13-12-2025 10:02 PM