Eufy 11S MAX is the top pick among robot vacuums under $400, rated 4.3 stars across 59,407 customer reviews.
Eufy11S MAX
4.3(59,407)11% OFF$279.99$249.99
TikomG8000 Max
4.3(4,888)$129.99
iRobotRoomba 105
4.2(31,549)$169.99
iRobotRoomba 105 Combo
4.2(26,696)47% OFF$319.99$169.99
iRobotRoomba 105X
4.2(26,495)$291.97
iRobotRoomba 205
4.2(11,534)$149.99
DreameD20 Pro Plus
4.2(3,611)11% OFF$359.99$319.96
DreameD20 Air Plus
4.2(3,600)11% OFF$269.99$239.99- Price alerts
Robot Vacuums under $400, updated as prices fall
We check the price of every Robot Vacuum in the catalog daily, and email you the ones that drop into this range.
DreameL10s Pro Ultra Heat
4.2(1,823)13% OFF$399.99$349.96
DreameD30 Ultra CE
4.2(1,819)20% OFF$499.99$399.97
iRobotRoomba 105X Combo
4.1(13,178)7% OFF$354.00$327.92
RoborockQrevo QV 35A
4.1(5,949)38% OFF$649.99$399.99
SharkMatrix Plus UR2650WS
4.0(35,975)$269.99
RoborockQ7 L5
4.0(16,204)44% OFF$249.99$139.99
RoborockQ7 M5+
4.0(16,204)31% OFF$359.99$249.99
RoborockQrevo Pro
4.2(921)$329.99
SharkNavigator AV2110S
4.0(7,637)$269.97
SharkNavigator RV2120AE
4.0(7,618)38% OFF$449.99$279.95
DreameL10s Ultra Gen 2
4.1(963)12% OFF$429.99$379.89
TikomL8000 Plus
4.3(471)5% OFF$219.99$208.99
RoborockQrevo Plus
4.0(1,688)$389.99
EcovacsDEEBOT T80 Omni
4.0(1,403)27% OFF$549.99$399.00
TP-LinkTapo RV20 Max Plus
4.1(784)23% OFF$239.99$185.98
TP-LinkTapo RV30 Max Plus
4.0(1,116)13% OFF$229.99$199.99
MOVAP10 Pro Ultra
3.9(1,773)$399.00
NarwalFreo X Plus
4.0(593)$301.33
iRobotRoomba Combo Essential Robot
3.6(2,372)$213.90
EufyC10
3.6(1,544)$299.99
SwitchBotK11+
4.1(284)17% OFF$239.99$199.49
EcovacsDEEBOT T50 PRO Omni
4.1(230)25% OFF$399.99$299.00
iRobotRoomba Vac Essential Robot
3.4(3,105)$249.99
EufyL60 with Self-Empty Station
3.4(3,004)$399.99
RoborockQ7 M5
3.6(579)$229.99
iRobotRoomba Combo i5 Robot Vacuum and Mop
3.3(1,910)31% OFF$349.99$239.99
iRobotRoomba 104
3.4(850)$249.99
TP-LinkTapo RV30 Max
4.0(139)26% OFF$219.99$161.99
TP-LinkTapo RV20 Max
4.0(127)$181.34
SwitchBotS20
3.5(118)$399.99
EcovacsDEEBOT N30 PRO Omni
3.6(37)$314.00
EcovacsDEEBOT T50 Omni
3.4(9)23% OFF$389.99$299.00
No products match these filters.
Frequently asked questions
What are the best robot vacuums under $400?
Eufy 11S MAX, Tikom G8000 Max and iRobot Roomba 105 lead our ranking of robot vacuums under $400, ordered by customer rating weighted by how many reviews back it. The full list compares 40 products in this price range.
How many robot vacuums cost less than $400?
This page tracks 40 robot vacuums under $400 from 11 brands, with prices starting at $129.99.
Are these prices up to date?
Prices come from each product's Amazon listing and are re-checked continuously, so every card shows the latest price we have. A product whose price rises above $400 drops off this list on the next update.
Looking for more than $400?
See all the robot vacuums in the catalog, compared side by side on specs, price and rating.