21" Computer Monitor Deals

Ends Today
Rakuten · 2 days ago
$313 $440
free shipping
Monoprice via Rakuten offers its Monoprice CrystalPro 27" 4K LED-Backlit LCD UHD Monitor for $369. Coupon code "MN56" knocks it to $312.99. that's the lowest price we could find by $87. Deal ends June 26. Buy Now
Features
  • 3840x2160 (4K) native resolution
  • VESA DisplayHDR 400 certified
  • 1 DisplayPort and 2 HDMI inputs
  • tilt-, swivel, pivot-, and height-adjustable stand
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expired
Rakuten · 2 wks ago
$105
free shipping
Electronic Express via Rakuten offers the LG 23.8" 1080p IPS Freesync LED Monitor for $119.99. Coupon code "XP15" cuts that to $104.99. With free shipping, that's the lowest price we could find by $22, although we saw it for $10 less in our March mention. Buy Now
Features
  • 23.8" 1920x1080 (1080p) native resolution IPS display
  • AMD FreeSync Technology
  • HDMI input
  • 5ms response time
  • 75mm x 75mm VESA mount compatible
  • Model: 24MK430H-B
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expired
Rakuten · 3 wks ago
$320 w/ $96 in Rakuten points $500
free shipping
Today only, Dell via Rakuten offers its Dell 27" 1440p HDR Flat IPS LED-Backlit LCD Ultrathin Monitor for $319.99 with free shipping. Plus, you'll bag $95.70 in Rakuten points. Thanks to the Rakuten points, that's $19 under our mention from last December, and the best deal we've seen. (It's the lowest price today by $75.) Buy Now
Features
  • 5.5mm at its thinnest
  • 2560x1440 (1440p) native resolution
  • VESA compatible
  • 2 HDMI inputs
  • Model: S2719DM
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expired
Rakuten · 4 wks ago
$136
free shipping
Office Depot via Rakuten offers the MSI Optix G24C 24" 1080p LED Curved Gaming Monitor for $169.99. Coupon code "SAVE15" cuts that to $144.49. With free shipping, that's the lowest price we could find by $36, although most retailers charge $180 or more. Deal ends May 28.

Update: The price has dropped to $159.99 before coupon, $135.99 after. Buy Now
Features
  • 1920x1080 (1080p) native resolution
  • 144Hz refresh rate
  • AMD FreeSync
  • DisplayPort, DVI, & HDMI
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Ends Today
Rakuten · 4 hrs ago
$313 $369
free shipping

$312.99 after savings. Plus, free shipping.

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expired
Rakuten · 1 mo ago
$119 $250
free shipping
Ending today, Office Depot via Rakuten offers its Dell SE2719H 27" 1080p IPS LED-Backlit LCD Monitor for $139.99. Sign in to your account and apply coupon code "SAVE15" to cut it to $118.99. With free shipping, that's $26 under our mention from two weeks ago, the best today by $50, and the lowest price we've seen. Buy Now
Features
  • 1920x1080 (1080p) native resolution
  • 5ms response time
  • HDMI, VGA
  • tilt-adjustable stand
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expired
Rakuten · 1 mo ago
$93
free shipping
Office Depot and OfficeMax via Rakuten offers the Dell SE2419H 24" 1080p IPS LED Monitor for $109.99. Coupon code "SAVE15" drops it to $93.49. With free shipping, that's the lowest price we could find by $29, and the best outright price we've seen. (For further comparison, it's $20 under our mention from two weeks ago, although that was bundled with a $50 gift card.) Buy Now
Features
  • 1920x1080 (1080p) resolution
  • HDMI input
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expired
Rakuten · 1 mo ago
$127
free shipping
Antonline via Rakuten offers the HP N270h 27" 1080p LCD Gaming Monitor for $149.99. Sign in to your account and apply coupon code "SAVE15" to cut it to $127.49. With free shipping, that's $23 less than buying via another storefront. Deal ends May 14. Buy Now
Features
  • 1080p (1920x1080) native resolution
  • 178° viewing angle
  • HDMI & VGA inputs
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expired
Rakuten · 1 wk ago
$229 $270
free shipping

$229.49 after savings. Plus, free shipping.

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expired
Rakuten · 2 wks ago
$105 $120
free shipping

$104.99 after savings. Plus, free shipping.

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expired
Rakuten · 1 mo ago
$186
free shipping
That's a savings of $214 off list price

Beach Camera via Rakuten offers the LG 29" 21:9 UltraWide IPS LED Monitor Bundle for $219. Coupon code "SAVE15" cuts it to $186.15. With free shipping, that's $214 off and the lowest price we could find. (We saw the monitor alone for $179 in February.) It includes two 6-foot HDMI cables, a screen cleaning kit, and a SurgePro 6-Outlet Surge Adapter. Deal ends April 30. The monitor features:
  • 2560x1080 native resolution
  • 75Hz refresh rate
  • USB Type-C port
  • HDMI input
  • tilt-adjustable stand