Seattle–Tacoma International Airport (SEA) Wi-Fi

Wi-Fi at Seattle–Tacoma International Airport (SEA) is free across all terminals. Join “SEA-FREE-WIFI”, then accept the terms on the sign-in page.

Yes. Free, unlimited Wi-Fi is available at Seattle–Tacoma International Airport.

• Common SSIDs: SEA-FREE-WIFI, SEATAC-FREE-WIFI
• Sign-in: Connect to SEA-FREE-WIFI; browser splash may appear
• Provider: Port of Seattle (airport-operated)

Terminal specifics

• Main Terminal & Concourses A–D
  Coverage across gates and dining
• North Satellite (N)
  Modern seating with strong signal
• South Satellite (S)
  Solid around gate seating

Power & places to work

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.

Interesting Facts about Seattle–Tacoma International Airport Airport

• Handled 52.6 million passengers in 2024, setting an all-time record and surpassing the previous 2019 record of 51.8 million.
• Alaska Airlines' primary hub and Delta Air Lines' major gateway, serving as the Pacific Northwest's main aviation hub.
• One main terminal with four concourses (A, B, C, D) plus North and South satellite terminals connected by underground train; 115 total gates.
• Three parallel runways: 16L/34R (11,901 ft), 16C/34C (9,426 ft), and 16R/34L (8,500 ft), all running north-south.
• Opened in 1949 with terminal dedication on July 9; originally built to replace Boeing Field during WWII.
• Located 13 miles (21 km) south of downtown Seattle in the city of SeaTac, Washington.
• Earned Skytrax 4-Star Rating and Best Airport in North America three consecutive years (2022-2024).
• 37 airlines serve 94 nonstop domestic and 35 international destinations; generates $22 billion in regional economic activity.

Sources

• Port of Seattle — Airport Wi-Fi (SEA-FREE-WIFI)