Updated April 1, 2026
Know before you go. Stay up to date on airport construction and how it might impact your journey.
Current construction impacts
| PROJECT | IMPACTED AREA | IMPACT DESCRIPTION |
|---|---|---|
| C Concourse Expansion | C and D Concourse corridors | Temporary barricades have been erected creating slightly narrower hallways along the C and D concourses. Crews for the CCE project are working on terrazzo flooring work. |
| Maintenance | Skybridge 1 | Closed from April 6-13 |
| Maintenance | Skybridge 2 | Closed from April 13-17 |
| Maintenance | Skybridge 3 | Closed from April 20-24 |
| Maintenance | Skybridge 4 | Closed from April 27 - May 4 |
| Maintenance | Skybridge 5 | Closed from May 4-8 |
| Maintenance | Skybridge 6 | Closed from May 11-15 |
*all dates and times are subject to change
Resources
- Check Upgrade SEA to learn more about current and future airport improvements
- Get step-by-step directions throughout the airport and see available routes, detours and more on our interactive map
