The Centurion® Lounge

SEATerminal BHours listed

Terminal B
Open in Maps
Hours listed
Every day 5:00 AM – 10:00 PM
Seattle-Tacoma International Airport (SEA)
- Showers
- Work space

Ways to get in

Every way into The Centurion® Lounge we've reviewed. What you pay for guests depends on which one you use.

Can you use this lounge?

5 cards we've reviewed get you in here. Add yours to see your entry, guest costs and what to bring.

Your cards stay on this device.

With your card

The Business Platinum Card from American Express
- No complimentary guests; guests pay $50 (guest 18 and over), $30 (child 2-17 (proof of age)). (Complimentary Guest Access for up to 2 guests per visit at US and select international locations after $75,000 in eligible purchases on the account in a calendar year; valid for the rest of that year, the next calendar year and until January 31 of the year after.)
- Needs a boarding pass for a same-day departing flight.
- Entry up to 3 hours before departure.
The Platinum Card from American Express
- No complimentary guests; guests pay $50 (guest 18 and over), $30 (child 2-17 (proof of age)). (Complimentary Guest Access for up to 2 guests per visit at US and select international locations after $75,000 in eligible purchases on the account in a calendar year; valid for the rest of that year, the next calendar year and until January 31 of the year after.)
- Needs a boarding pass for a same-day departing flight.
- Entry up to 3 hours before departure.
The Platinum Card from American Express Exclusively for Morgan Stanley
- No complimentary guests; guests pay $50 (guest 18 and over), $30 (child 2-17 (proof of age)). (Complimentary Guest Access for up to 2 guests per visit at US and select international locations after $75,000 in eligible purchases on the account in a calendar year; valid for the rest of that year, the next calendar year and until January 31 of the year after.)
- Needs a boarding pass for a same-day departing flight.
- Entry up to 3 hours before departure.
Delta SkyMiles Reserve American Express Card
- No complimentary guests; guests pay $50 (guest 18 and over), $30 (child 2-17).
- Needs a same-day Delta-marketed or Delta-operated flight booked on a US-issued American Express Card.
- Entry up to 3 hours before departure.
Delta SkyMiles Reserve Business American Express Card
- No complimentary guests; guests pay $50 (guest 18 and over), $30 (child 2-17).
- Needs a same-day Delta-marketed or Delta-operated flight booked on a US-issued American Express Card.
- Entry up to 3 hours before departure.

Reviewed against issuer and program terms; the access panel names the source for each path. A scheduled opening isn't guaranteed entry: lounges can limit entry when full.

About

A Centurion Lounge at SEA, after security.

Location and getting there

Where: Seattle-Tacoma International Airport (SEA) · Terminal B
Security: Not confirmed

The Centurion® Lounge, Terminal B Exclusively for American Express Delta SkyMiles® Reserve Card and American Express Platinum Card Members. Delta Reserve Card Members must be flying on a same-day Delta-marketed or Delta-operated flight. Terms Apply.\*

Check your route back to your departure gate before you go, especially across terminals.

Hours

Weekly opening hours in airport local time
Every day	5:00 AM – 10:00 PM

Times are airport local time (America/Los_Angeles). Opening hours aren't live capacity or a membership's entry window.

Facilities

Work and connectivity

Wi-Fi
Work space

Rest and wellness

Showers

Facilities as listed by the sources below. A listing doesn't mean it's operating today.

Reviews and sources

Sources for this page

LoungeReview · checked 2026-02-04
Delta · checked 2026-10-14
American Express · checked 2026-10-14
Source · checked 2026-10-14
Source · checked 2026-10-14

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