TerminalWiFi.com
Seattle–Tacoma International Airport concourse

Seattle–Tacoma International Airport (SEA) Wi-Fi

Last verified 8/29/2025 • Seattle, USA

Search airports
⏱️ Unlimited🛜 Provider: Port of Seattle (airport-operated)

Connection details

  • Login: Click-through portal
  • Security: OPEN • HTTPS portal
  • Support: SEA — Airport Wi-Fi

Speed & reliability

Typical: —↓ / —↑ Mbps (Consistently fast; good for streaming and video calls)
Reliability: ★★★★★ — Free across all public areas
Based on ~17 samples

Terminal specifics

Power & places to work

Plug type: Type A/B
Voltage: 120V
USB-C: Varies
Charging points throughout concourses and satellites
  • Window counters
    Concourses A–D
    Outlets along windows
  • Bar seating
    N/S satellites
    Stools with nearby power

How to connect at SEA

  1. Join "SEA-FREE-WIFI" or "SEATAC-FREE-WIFI".
  2. Open a browser; if the portal doesn’t appear, visit a non-HTTPS page to trigger it.
  3. Complete any email/SMS step.
  4. Start your VPN, then browse normally.

Sources

More airports in USA