Skip to content The Short Answer
Black Friday and Cyber Monday bring the steepest vacuum discounts of the year, and robot vacuums in particular can fall 40 to 65 percent off. Can't wait? Amazon Prime Day in July is the next-best window, Prime Big Deal Days in October is a strong third, and buying last year's robot right after a new one launches is the sleeper move that saves you the most for the least effort.
A vacuum is one of the easiest purchases to time well, and one of the easiest to overpay on, especially a robot. Prices swing by hundreds of dollars from week to week, driven by a handful of sale events and a steady stream of new models that pushes last year's versions down fast.
Buy inside one of those windows and you save real money. Buy at full price the week you finally get fed up with the mess, and you pay a premium for no reason. Here's how the year actually breaks down, from the windows worth planning around to the ones worth skipping, plus the five vacuums we'd buy today and the tricks that quietly beat even a Black Friday price.
The Vacuum Deal Calendar
Every sale window, ranked by how much you save
We scored each shopping window on the size of the discount you can realistically expect on a vacuum. Longer, greener bar means a better time to buy.
The steepest vacuum cuts of the year, and robot vacuums in particular can drop 40 to 65 percent off. Doorbusters on popular models sell out fast, so this is the one to wait for.
The best summer window, and it's huge on robot vacuums from eufy, Roborock and iRobot. Best Buy and Walmart run matching sales the same days, so you don't even need Prime.
Amazon's fall Prime event is basically a Black Friday preview, with deep robot-vacuum deals. A smart pick if you need one before the holidays but not at the last minute.
Spring-cleaning promos and Mother's Day sales knock 15 to 30 percent off uprights and cordless sticks, and brands clear last year's robots to make room for new ones.
Presidents' Day, Memorial Day and Labor Day add modest 10 to 20 percent discounts. Handy if you need one now, but not a headline event.
Retailers shave a little here and there, but nothing close to the tentpole events. Fine in a pinch, not worth planning around.
Robot vacuums get refreshed constantly, often around CES in January and again in spring. Paying full price for a model that's about to be replaced is the one mistake to avoid.
Which Vacuum Should You Buy?
Know the lineup, find your pick
Five vacuums that cover how most people actually shop, from a $100 upright to a self-emptying robot that mops. Learn the typical price and you'll spot a real discount the moment it lands.
A corded bagless upright that just works, with strong suction for carpet and bare floors and a big, easy-empty bin. At around $100 it's the one we tell most people to buy, and the tier that drops hardest at sale events.
The grab-and-go cordless that made stick vacuums mainstream. Light, genuinely powerful, and quick for daily messes and stairs. Dyson rarely goes cheap, so a real sale is the time to pounce.
A hands-free robot that empties itself for weeks at a time. Strong suction, tidy navigation, and hair-detangling brushes, all for a fraction of the flagships. The set-and-forget pick for most homes.
The do-everything flagship. It vacuums, mops, empties its own bin, and washes and dries its own mop pads, so the whole floor-cleaning chore basically disappears. Overkill, in the best way.
Built for fur. A lightweight cordless with a self-cleaning brushroll that resists tangles, plus tools sized for couches and stairs. The pick if pets are the reason you're vacuuming twice a week.
Vacuum prices, and robot-vacuum prices especially, swing more than almost any gadget, so the number on the button today may be well below these typical prices. Tap any card to see what it costs right now.
