Underground Tour Flex Pass allows you to arrive on any date and exchange this voucher for an Underground Tour ticket on any tour with available space. Perfect for out of town visitors with hectic schedules, gifts or employee rewards! Please call 206 682 4646 for offline ticket sales and additional information.

Tickets may be purchased:

*Online, up to one hour before the start of a tour.
*By phone, at 206 682 4646, up to 30 minutes before a tour.
*At our ticket booth, pending availability, up until the start of a tour.



Tours sometimes sell out.
All tickets are available on a first-come, first-served basis.
Reserve your spot by purchasing in advance, online or by phone.