5 things to do in Seattle 2026 Halloween weekend

Halloween falls on a Saturday this year, and if you’re still figuring out what to do, there’s plenty happening around Seattle all weekend.

There’s even an extra hour of sleep on Sunday when the clocks turn back, which might come in handy after a late Halloween night.

Whether you’re getting the kids out of the house, making plans with friends, or looking for somewhere to wear that costume you’ve been working on, you’ve got options.

Here are five events to check out around Seattle Oct. 30–Nov. 1, with dates, ticket details, and what to know before you head out.

BOO Seattle

BOO Seattle returns to WAMU Theater for two nights of electronic music over Halloween weekend.

Friday’s lineup includes GRiZ, Levity, James Hype, TroyBoi, and Walker & Royce. Saturday brings Subtronics, Sara Landry, KAYZO, Cloonee, and additional artists, giving visitors a different lineup each night.

Single-day and two-day passes are available, along with VIP options. VIP admission includes expedited entry and dedicated viewing areas; guests must be 21 or older to enter VIP areas.

• When: Friday and Saturday, Oct. 30–31. Doors open at 5 p.m. both days

• Where: WAMU Theater, Seattle

• Cost: General admission begins at $191.99 for Friday, $204.99 for Saturday, and $316.99 for a two-day pass. Check current ticket tiers before purchasing.

• More information: BOO Seattle

Trolloween

The Fremont Troll gets a birthday celebration of its own on Halloween, and visitors are invited to join in costume.

Organized by the Fremont Arts Council, Trolloween begins with live music and a theatrical pageant at the sculpture. Afterward, participants head through the neighborhood for the Haunt of Fremont, a costumed procession.

The gathering takes place rain or shine, though organizers say the procession route may change with the weather. Arrive at the Troll by 7 p.m. for the start.

• When: Saturday, Oct. 31, at 7 p.m.

• Where: Fremont Troll, North 36th Street and Troll Avenue North, Seattle

• Cost: Free

• More information: Fremont Arts Council’s Trolloween page

Gorillaz: The Mountain Tour

Gorillaz brings The Mountain Tour to Climate Pledge Arena on Halloween night.

According to the arena, the Seattle performance is part of the group’s first extensive North American tour since 2022. The concert gives weekend visitors another live-music option, with doors opening an hour before the show.

• When: Saturday, Oct. 31, at 7:30 p.m. Doors open at 6:30 p.m.

• Where: Climate Pledge Arena, Seattle

• Cost: Ticket prices vary by seat and availability.

• More information: Gorillaz at Climate Pledge Arena

After Dark: Halloween Soirée at The Ruins

After Dark: Halloween Soirée brings a night of music and performances to The Ruins for guests 21 and older.

The evening includes a DJ, tarot card readers, and aerialists, with the aerial performance scheduled for 10–11 p.m. Admission includes a welcome glass of bubbles and small bites, and themed cocktails will be available for purchase.

Costumes are encouraged, with organizers suggesting masquerade or Venetian carnival attire. The food is described as light bites, so organizers recommend eating dinner before arriving.

• When: Saturday, Oct. 31, from 8 p.m. until 1 a.m. Sunday

• Where: The Ruins, 570 Roy St., Seattle

• Cost: $80 plus taxes and fees, according to the event listing

• Ages: 21 and older

• More information: After Dark: Halloween Soirée tickets

Seattle Catrinas Festival

The Seattle Catrinas Festival celebrates its fifth anniversary at Town Hall Seattle with a two-day gathering honoring Día de Muertos and loved ones who have died.

Visitors can see community altars, known as ofrendas, and large Catrina figures, browse an artisan market, and watch Mexican folkloric dance and live music. The program also includes a candlelight procession and “The Unforgettable,” a stage presentation designed for all ages.

The festival welcomes families, and visitors are encouraged to dress as Catrinas or Catrines.

• When: Saturday and Sunday, Oct. 31–Nov. 1, from 1–9 p.m. each day

• Where: The Great Hall at Town Hall Seattle, 1119 Eighth Ave. Enter on Eighth Avenue.

• Cost: General ticket: $45; VIP ticket: $150

• More information: Seattle Catrinas Festival

Check the event pages before heading out for current ticket availability and schedule updates.