8 verified airport lounges at Seattle–Tacoma International Airport (SEA) — updated July 2026

Seattle–Tacoma International Airport has 8 verified airport lounges in the Loungely directory operated by Airport Dimensions, Alaska Airlines, American Express, Delta Air Lines and 1 more. Every entry lists the credit-card programmes, airline classes, and walk-in policies that grant access, with a per-row `last verified` timestamp.

Lounges at Seattle–Tacoma International Airport accept the following access programmes: Alaska Lounge Membership, Oneworld Emerald / Sapphire, American Express Centurion, American Express Platinum, American Express Business Platinum, Priority Pass, and 3 more. Enter your card on the airport page above and each lounge's row will show whether it applies — plus any spend or cabin-class conditions.

Yes — 2 of 8 lounges at Seattle–Tacoma International Airport accept Priority Pass: Club International SEA, Club SEA — Concourse A. Priority Pass participation is renegotiated periodically and lounges do drop out, so confirm on the lounge's page before you rely on it.

Yes. 6 of 8 lounges at Seattle–Tacoma International Airport sell walk-in day passes, priced $50–$60 per person. Walk-in prices change with demand and terminal — always confirm at the lounge desk before you rely on a walk-in.

It depends on the access rule. 14 of 14 access rules at SEA lounges allow guests, and none prohibit them outright. Typical guest fees at SEA lounges run $32–$50 per guest. Each lounge page lists the exact guest policy for every card and programme it accepts.

Each access rule carries a `last_verified` timestamp. Entries older than 90 days surface a "may be outdated" warning on the lounge page. Corrections are submitted via the Report button on each lounge — a Loungely editor reviews and re-verifies with the operator before publishing. See /methodology for the full source list and verification process.