Updated October 27, 2025
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 |
|---|---|---|
| Roadway Improvements | Arrivals Drive, after the split | Crews are working to smooth out the pavement on the lower Arrivals Drive just after the split. This will require single lane closures Oct. 27-28 from Monday night at 11:59 p.m. to 10 a.m. Tuesday morning. |
| Roadway Improvements | On-ramp from Cell Phone Lot and southbound Departures Drives | Milling and paving will be taking place starting at the on-ramp from Air Cargo Rd and S. 170th (access from Cell Phone Lot) along the right two lanes on the southbound Airport Expressway in the Departures Drive lanes. Single lane closures will take place Oct. 27-30, 8 p.m. through 4:30 a.m. nightly. |
| Roadway Improvements | Departures Drive | Overnight closure to Departures Drive is expected to take place for up to two nights starting the evening of Tuesday, Nov. 4, from 11:30 p.m. to 4 a.m. During the closure, all traffic will be routed through Arrivals Drive. |
| Rideshare Upgrade | Rideshare Area - 3rd Floor of Parking Garage | Updates are being made to the Rideshare (Uber/Lyft) pickup area and doubling the size. While construction is underway, the waiting area for travelers is relocated to either side of the Yellow Elevators. Rideshare will contact pickup with stall #. Work is expected to wrap up before the end of the year, and waiting area will return to its normal placement. |
| Bag Claim 15 Upgrade | Baggage Claim Level - Bag Claim 15 | Bag Claim 15 is getting a major upgrade. It is anticipated to return to service in early November 2025. |
| SEA Gateway | Checkpoint 6 | TSA Security Checkpoint 6 on the far north end is closed for construction, expected to re-open November 2026, along with a set of restrooms between Checkpoint 5 and 6. |
*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
