Fun. at Bayou Music Center in February.: Todd Spoth/for the Chronicle

Fun. sold out Bayou Music Center a month ago. Now, the pop trio is going bigger.

The band returns Oct. 6 to the Woodlands Pavilion with opening act Tegan & Sara. Tickets are $39.50 and on sale at 10 a.m. March 23 via the usual outlets, at ticketmaster.com or by calling 800-745-3000.