Denver International Airport, commonly referred to as DIA, is a public airport that serves Denver and the surrounding counties in Colorado. It currently is the largest airport in the United States and is the 18th busiest airport in the world.
- "The Entity" - The Broflovski's come here to pick up cousin Kyle.
- "Freak Strike" - Butters boards a plane to New York City.
- "The Losing Edge" - The baseball team comes here to pick up Kyle's cousin Kyle and recruit him.
- "Hell on Earth 2006" - Butters and Biggie Smalls board a plane to Los Angeles
- "Going Native" - Butters and Kenny board a plane to Hawaii.