AmazonPrice checked Oct 31 at 1:20 PM ET

iRobot Roomba Plus 405 vacuum + mop

$299.99

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iRobot Roomba Plus 405 (G181) robot vacuum and mop with AutoWash dock (self-empty, pad washing and drying); ASIN B0DPNKVFVW

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$299.99Matches its 90-day low

Why A+: Good news for anyone tired of rinsing mop pads by hand. If you want one ahead of the holidays, buy it.

6 dated prices for this exact model in the price history below
Price checked at Amazon (time at the top)

Amazon showed $299.99, In Stock. No end date posted.

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Yes. At $299.99 at Amazon, the iRobot Roomba Plus 405 vacuum + mop is a great deal: we gave it an A+ (lowest price we've recorded).

A+ means this is the lowest price we've ever recorded, backed by 6+ months of price history.

DealTeacher's grade for the iRobot Roomba Plus 405 vacuum + mop: A+ (Buy now). It's $299.99 at Amazon, which matches its 90-day low. Price last checked Oct 31, 2026.

Posted Oct 27, 2026 · Updated Oct 31, 2026

Lowest recorded: $299.99 on Aug 2, 2026 at Amazon.

The lesson
Good news for anyone tired of rinsing mop pads by hand. Amazon has the Roomba Plus 405 for $299.99, and its dock washes and dries the pads and empties the bin for you. If you want one ahead of the holidays, buy it.

Price history

$299.99 ties the lowest of 6 dated prices we've recorded since Jul 7, 2025 (also $299.99 on Oct 11, 2026 at Amazon). Typical price: $300.

Typical price: $300 to $375, the middle half of the 6 prices we recorded.

Every dated price we have for this exact model
Date	Price	Store	Source
Jul 7, 2025	$399.99	Amazon	Our price records
Jul 12, 2025	$899.99	Amazon	Public price tracker, tracked high (sold by Amazon)
Mar 15, 2026	$300	Amazon	Public deal post
Aug 2, 2026	$299.99	Amazon	Public deal post
Oct 11, 2026	$299.99	Amazon	Public price tracker, tracked low (sold by Amazon)
Oct 26, 2026 to Oct 31, 2026	$299.99	Amazon	Store page, checked by us

Sources: store pages we checked, archived copies of store pages (Internet Archive), a public price tracker, public deal posts, and our own price records. Only prices for this exact model, new condition, from the last two years.

Is the iRobot G181 a good deal? Every recorded price and the price to wait for

Already bought it? See if you overpaid, and if you can still get a price adjustment

Grade history

Oct 27, 2026On recordAmazon
Oct 28, 2026Raised from B to AAmazon
Oct 30, 2026Raised from A to A+Amazon

Every row is a grade we actually published. We don't fill in the gaps.

iRobot Roomba Plus 405 vacuum + mop

Price history

Grade history

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Grade history

The price history in a nutshell

Teacher's note

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