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Updated 10/9/15 at 9:04pm EST.
Here are some Halloween deals that are currently going on (prices could change at any time, these are the current promos at time of this post):
Amazon: 50% off select costumes today only, click here to see eligible costumes. 20% off of select Mars Halloween Candy (plus ships free to your door if you are a Prime member!) go here for the candy sale then look for the bags that have the 20% off coupon (once you click on the coupon, it will automatically apply at checkout). For a free 30 day trial of Amazon Prime, click here.
Ebay: Up to 50% off costumes for him, her, & children’s
Walmart: Finally on sale! “Scary-good” Rollbacks on Costumes
Halloween Express: $10 off $65+, $25 off $125, $50 off $199 with promo code “TREATSFORALL2015”; also, if you are new to the site and sign up to receive their emails, they usually send out a promo code for your first order (usually 15-20% off); free economy shipping on orders $29+ with code “FS2015ZLA”; free shipping with no code required on orders of $65+, FREE PRIORITY SHIPPING NO MINIMUM to APO & FPO military addresses
Costume Supercenter: 20% off costumes $20+ with code “X20”
Wholesale Halloween Costumes: Sign up & save $10 (check email for code after you sign up); free 3 day delivery on orders $55+ with code “EC55”
Costume Express: 15% off $50+ with code “15cxp50”
Party City: 25% off $100 +, 20% off $80+, 15% off $60+ plus free ground shipping on Halloween purchases of $49+ with code PCWXJD9 through 10/11
Family Dollar: Costumes starting at $5, accessories starting at $1, plus candy coupons in this weeks ad