* Plastic: $13-$250
* Aluminum or Steel: $20-$300
* Wood/Wood Composite: $25-$400
Cat Pet Door Prices by Size
* Small (Flaps under 6" Wide): $10-$100
* Medium (Flaps 6"-8" Wide): $20-$200
* Large (Flaps 8"+ Wide): $20-$350
Cat Pet Door Prices by Design
* Simple Flap Door: $13-$150
* Door with Tunnel/Frame: $20-$300
* Door with Lock: $25-$400
* Electronic Door: $60-$500
Additional Cat Pet Door Costs
* Installation Costs: $50-$200
* Weatherproofing: $5-$50
* Replacement Flaps: $5-$40
* Training: $50-$100