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10 Best cat window door inserts of 2025

Save up to 25% off
  • Best Choice

    1

    Whiskers & Windows Cat Door for Horizontal Sliding Windows | Great for Cats | Easy Entry and Exit Control | Large Cat Flap, Fits Windows 46"-49" h, White
    Whiskers & Windows

    Whiskers & Windows Cat Door for Horizontal Sliding Windows | Great for Cats | Easy Entry and Exit Control | Large Cat Flap, Fits Windows 46"-49" h, White

    9.8
    Exceptional
    Our Rating
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  • Value for Money

    2

    Ideal Hefty Pet Side Sliding Window - Range 44.5" - 47"
    Ideal Pet Products

    Ideal Hefty Pet Side Sliding Window - Range 44.5" - 47"

    9.7
    Exceptional

  • 3

    Ideal Pet Products Aluminum Sash Window Pet Door, Adjustable to Fit Window Widths from 27" to 32", Chubby Kat 7-1/2” x 10-1/2” Flap Size
    Ideal Pet Products

    Ideal Pet Products Aluminum Sash Window Pet Door, Adjustable to Fit Window Widths from 27" to 32", Chubby Kat 7-1/2” x 10-1/2” Flap Size

    9.5
    Excellent
    Our Rating

  • 4

    Petoasis Pet Door for Window, Suitable for Window Widths of 27"-32", Quick-Fit Cat Door Window Insert, 4 Locking Mechanisms, Magnetic Closure Cat Window Door,Aluminum Frame Cat Door for Window
    Petoasis

    Petoasis Pet Door for Window, Suitable for Window Widths of 27"-32", Quick-Fit Cat Door Window Insert, 4 Locking Mechanisms, Magnetic Closure Cat Window Door,Aluminum Frame Cat Door for Window

    9.4
    Excellent

  • 5

    Aluminum Pet Door for Windows, Width Adjustable to Fit Window Width 23"-28", 10-Minute Cat Door Insert Window Installation, Cats Door for Window with Magnetic Suction Design and Weatherproof
    HOMEPEDIA

    Aluminum Pet Door for Windows, Width Adjustable to Fit Window Width 23"-28", 10-Minute Cat Door Insert Window Installation, Cats Door for Window with Magnetic Suction Design and Weatherproof

    9.3
    Excellent
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  • 6

    Custom Cat and Small Dog Pet Door for Windows by Cat Flap Fever – Locking Insert for Vertical & Horizontal Sliders – Tool-Free Install – Plexiglass Base – Microchip & 4-Way Locking Flap Options
    Cat Flap Fever

    Custom Cat and Small Dog Pet Door for Windows by Cat Flap Fever – Locking Insert for Vertical & Horizontal Sliders – Tool-Free Install – Plexiglass Base – Microchip & 4-Way Locking Flap Options

    9.0
    Excellent
    Our Rating

  • 7

    Ownpets Pet Screen Door,Inside Door 8x10x0.4 inch,Lockable Magnetic Flap Screen Automatic Lockable Black Door for Puppy Dog and Cat Door
    Ownpets

    Ownpets Pet Screen Door,Inside Door 8x10x0.4 inch,Lockable Magnetic Flap Screen Automatic Lockable Black Door for Puppy Dog and Cat Door

    25% Off
    8.8
    Very Good
    Our Rating

  • 8

    Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 7.7 * 7.5 * 0.78in)
    Lessmon

    Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 7.7 * 7.5 * 0.78in)

    • dog breed size:Small
    • material:ABS
    • install type:Simple Installation
    • closure:Magnetic
    • dimensions:0.78 x 7.5 x 7.7 inches
    8.5
    Good
    Our Rating

  • 9

    HIDROSIL Cat Door for Screen Door, Inside Openning 10x10x0.5 inch, Patent Desigh Pet Screen Door with Lockable Magnetic Flap for Doggy and Cat Door, Suitable 0-26lb Cats and Small Dogs, Black
    HIDROSIL

    HIDROSIL Cat Door for Screen Door, Inside Openning 10x10x0.5 inch, Patent Desigh Pet Screen Door with Lockable Magnetic Flap for Doggy and Cat Door, Suitable 0-26lb Cats and Small Dogs, Black

    8.4
    Good
    Our Rating

  • 10

    Liberty Cat Door for Horizontal Windows| Cat Door for Vinyl Windows | Sturdy Design for Window Insert | White Frame | 42.5" - 44" Height Range
    Liberty Pet Door

    Liberty Cat Door for Horizontal Windows| Cat Door for Vinyl Windows | Sturdy Design for Window Insert | White Frame | 42.5" - 44" Height Range

    • product dimensions:1 x 11 x 46 inches
    • dog breed size:Small flap 7 x 8
    • size:Standard and custom sizes
    • installation:Adjustable, easy to install
    • frame material:Vinyl
    8.1
    Good