Halloween Costume Contests in Boise 2026

29Oct

The Fright Crawl | Boise Halloween Bar Crawl 2026 | Thurs, Oct. 29

TBA

29 Oct 2026

USD 8 TO 71

31Oct

The Fright Crawl | Boise's #1 Halloween Bar Crawl 2026 | Sat, Oct 31

TBA

31 Oct 2026

USD 8 TO 71

31Oct

The Last Call's Halloween Party

The Sapphire Room at The Riverside Hotel

31 Oct 2026

USD 37 TO 42

31Oct

HAUNTED HANNAH’S EXOTIC EROTICA BALL 2025!

Humpin' Hannah's

31 Oct 2026

29Oct

Spooky Safari at the Zoo (21+)

355 E Julia Davis Dr, Boise, ID, United States, Idaho 83702

29 Oct 2026

30Oct

HAUNTED HANNAH’S ZOMBIE PROM 2026: FRIDAY OCT 30!

Humpin' Hannah's

30 Oct 2026

31Oct

Halloween Costume Party 2026 | Boise, Idaho

11505 Fairview Ave, Ste 102, Boise, ID

31 Oct 2026

30Oct

Frightful Forest Friends - 21+ Paint & Sip COSTUME CONTEST!

9931 West Cable Car Suite 160, Boise, ID 83709

30 Oct 2026

30Oct

Haunted Prom - a Halloween party!

1878 W Overland Rd, Boise, ID, United States, Idaho 83705

30 Oct 2026

30Oct

0 PROOF NIGHT! All Ages Paint & Mocktail Party COSTUME CONTEST!

9931 West Cable Car Suite 160, Boise, ID 83709

30 Oct 2026

1Nov

Hangover dart tournament

West Valley

1 Nov 2026

30Oct

Hallowee party 🎉 👻💀💀💀

1505 S Empire Way, Boise, Idaho, Estados Unidos

30 Oct 2026

31Oct

SIP, SPOOK & TREAT Customer Appreciation Event

3417 N. Cole Rd., Boise, ID

31 Oct 2026