Yes, private jets frequently use public airports, but they often utilize different facilities than commercial airliners. Most large public airports, such as JFK, Heathrow, or Dubai International, have dedicated sections for private aviation known as Fixed Base Operators (FBOs). These are private terminals where passengers can bypass the main commercial terminal, clear customs more quickly, and board their aircraft directly from a lounge. However, private jet owners and charter companies often prefer "General Aviation" (GA) airports, which are public airports that do not serve major scheduled airlines. Examples include Teterboro (TEB) near New York City or Van Nuys (VNY) near Los Angeles. These airports are often more convenient because they are closer to city centers, have less air traffic congestion, and offer lower landing fees. While a private jet can land at a massive international airport, it is often more efficient for them to use these smaller, publicly owned "reliever" airports that are specifically geared toward the needs of corporate and private flyers.