When is the cheapest time to buy Halloween decorations and costumes?

The single biggest price drop is the day after Halloween, when retailers clear inventory at 50 to 90 percent off for next year. For this year's holiday, the next-best window is shopping in September rather than waiting until mid-October, when selection shrinks and last-minute markups on popular costumes appear.

How much does the average family spend on Halloween?

Recent National Retail Federation surveys put average per-person Halloween spending at over $100, covering costumes, candy, decorations, and cards. Families with multiple trick-or-treaters routinely spend $200 to $300 total without a plan.

What is the cheapest way to do a Halloween costume?

Build it from what you already own — a base outfit plus one or two accessories from a dollar store usually beats a boxed costume on both price and originality. Costume swaps with friends, thrift store finds, and DIY makeup are the next-cheapest options, typically running $5 to $15 total versus $25 to $40 for a store costume.

Should I buy Halloween candy in bulk?

Only if you compare the price per piece, not just the bag price — warehouse-club bulk bags are usually cheapest per piece, but a smaller bag on sale at a grocery store can beat a bulk bag at full price. Buy candy in the two weeks before Halloween rather than in September, since it is a low-margin item retailers rarely discount early, unlike costumes and decor.

How to Save Money on Halloween Without It Looking Cheap

Halloween spending sneaks up because it is spread across four separate categories — costumes, candy, decorations, and events — each feeling small on its own. Add them up and the National Retail Federation puts average per-person spending over $100, with multi-kid households routinely clearing $200 to $300. None of that is necessary. Here is a plan that starts now, in September, because timing is most of the savings.

Why September is the money move

Retailers price Halloween goods in three tiers: early-season (now through late September), peak-season (October), and clearance (November 1 onward). The catch is that clearance pricing is for next year — it does not help this Halloween. That leaves early September as the actual best window for this year’s costumes and decor, before selection narrows and last-minute shoppers create October price creep on anything popular. If you are reading this in September, you are already at the best time to buy — don’t wait for a “Halloween sale” that shows up worse than today’s shelf price.

Costumes: build, don’t buy boxed

A boxed costume runs $25 to $40 for something worn once. Beat that price with:

Base-plus-accessory. Start with clothes already in the closet (all black, a flannel, an old dress) and add one or two accessories — a dollar-store hat, face paint, or a prop. Total cost: $5 to $10.
Swap with friends or neighbors. Last year’s costume for one family is often exactly what another kid wants this year. Coordinate a swap in a group chat before you buy anything new.
Thrift stores. Halloween-adjacent pieces (capes, vests, oversized shirts, boots) show up cheap year-round and work for multiple costume ideas.
DIY makeup over masks. Face paint and makeup cost less than a mask, don’t obstruct vision, and photograph better.

Skip same-day costume shops entirely — inflated last-minute pricing is built into that business model.

Decorations: shop your own house first

Before buying anything, walk through your garage, closet, and recycling bin. Cardboard, old sheets, string lights left over from other holidays, and mason jars cover most classic Halloween looks — cobwebs, ghosts, glowing jars — for free. For what you do need to buy:

Dollar stores and thrift stores cover 90% of basic decor at a fraction of seasonal-aisle pricing.
Buy decorations, not candy, during any early-season sale — decor holds its value for next year if stored, so a good price now is a good price twice.
Skip large inflatable or animatronic displays unless you already own one; they’re the single highest cost-per-use item in the category.

Candy: buy late, compare per-piece price

Unlike costumes and decor, candy is the one category where buying early doesn’t help — it’s a low-margin staple retailers rarely discount until right before the holiday. Buy it in the final one to two weeks before Halloween, and compare price per piece rather than price per bag: a large bag at $12 with 100 pieces beats a $6 bag with 40 pieces, even though the smaller bag looks cheaper on the shelf. If you’re expecting a lot of trick-or-treaters, warehouse-club bulk bags usually win on a per-piece basis. Consider mixing in non-candy items (stickers, small toys, glow bracelets) — they often cost the same per piece and can be bought any time since they don’t expire or go on clearance.

Cut hosting costs if you’re throwing a party

Make it a potluck — ask guests to bring one item instead of covering food and drinks yourself.
Use decorations you already made or bought above; don’t buy separate “party” decor on top of house decor.
Set a per-person or family spending cap up front so the night doesn’t become an open-ended expense.

Coordinate with neighbors to cut driving and event costs

If your area has spread-out trick-or-treating, carpool with another family instead of driving separately — gas is a real cost across a whole neighborhood loop. Check your city or county’s parks-and-rec calendar for free trunk-or-treat events, which typically include candy, activities, and sometimes a costume contest at no cost.

Put a number on it before you shop

The biggest overspending risk isn’t any single purchase — it’s not having a total in mind. Set a Halloween number for the season ($30, $50, whatever fits) before you buy the first item, the same way you would for any other sinking fund expense. If you’re building your budgeting system from scratch, a zero-based budget makes it easy to give this category its own line instead of letting it bleed into “miscellaneous” spending you don’t notice until the statement arrives.

Start next year’s savings today

The single cheapest way to do Halloween is to buy discounted decor on November 1st for the following year — retailers cut prices 50 to 90 percent to clear inventory. If you plan to spend on decor this year anyway, note what you’d want more of, then grab it at clearance pricing once this Halloween wraps, rather than paying full price again next September.

The bottom line

A $100+ Halloween is the default only if you shop reactively in October. Shift costumes and decor purchases to now, build costumes instead of buying boxed ones, wait until the final two weeks for candy, and set a spending number before you start. Most households can cut their Halloween spend by half or more without anyone noticing the difference on the actual night — the savings come from timing, not from doing less. If you’re working toward a bigger savings goal this fall, redirecting even $50 of Halloween spending is a meaningful step toward saving your first $1,000.