✓ Every price checked daily — each card shows exactly when it was verified.
Heads up: links below may earn us a commission — it keeps the lights on and never changes the price you pay. Prices verified daily; sales can end anytime.
A good Halloween costume shouldn't cost a fortune or arrive three days late. Every costume below is on sale right now at a Canadian retailer, in stock in adult women's sizes, and verified — we load the product page and confirm the price before it makes this list.
Costume prices spike and sizes sell out fast as October 31 approaches. We check these daily and pull anything that sells out, so order early if you see your size.
at HalloweenCostumes.ca
Why it's a great gift: A one-size tie-dye fringed poncho at 63% off clearance — instant 70s hippie costume that fits over regular clothes.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: Half-price clearance on the 60s go-go dancer set — psychedelic mini dress plus headband, belt and sunglasses included.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: Clearance-priced plus-size 70s flower-power outfit — a fun, comfortable group-costume pick at 36% off.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: The classic striped-sweater horror look at 31% off — instantly recognizable and spooky without being gory.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: Full crimson cupid dress with wings and accessories — an 83%-off clearance steal for a classic Halloween look.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: Stunning full dragon costume with wings at a fraction of its $129 price — a show-stopper for fantasy fans.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: Official-style Harley Quinn gold overalls for five bucks — the cheapest legit costume in this round.
View Deal at HalloweenCostumes.ca →
at HalloweenCostumes.ca
Why it's a great gift: Full police costume (dress, hat, belt, handcuffs) at clearance — instant classic cop costume, ready to patrol the party.
View Deal at HalloweenCostumes.ca →Usually not — most run small. When you're between sizes, size up. Each product page has the retailer's size chart; check it before ordering.
We load each retailer's product page and confirm the sale price, the original price, and that it's in stock. Every costume shows the exact time it was last verified. A blocked or failed check never counts — if we can't verify it, it doesn't make the list.
That depends on the retailer and your postal code — check the delivery estimate on the product page before you buy. Ordering early in October is the safe move.
It comes off the page automatically, and a verified backup takes its place.
