SSL certificate prices vary depending on factors such as the type of certificate, certifying authority, and additional features. The cost is influenced by the level of validation (e.g., domain validation, organization validation, extended validation), the number of domains or subdomains covered, and the validity period. It's essential to choose an SSL certificate that meets your security needs while fitting within your budget. Comparing prices and features from different providers can help you find the best value for your specific requirements.