Long-term parking at Denver International Airport (DEN/DIA) in 2026 can be managed through three primary tiers of service. The most convenient but expensive option is the Airport Garages (East and West), which offer covered parking within walking distance of the terminal. A more economical on-site choice is the Economy Lots, which provide a lower daily rate (approximately $17–$18) and a free shuttle bus that runs 24/7. However, the most budget-friendly method is using off-site private lots like Park2Jet or The Parking Spot. These facilities often charge as little as $10–$12 per day and offer high-frequency shuttles, luggage assistance, and optional car detailing. For 2026 travelers, it is highly recommended to reserve your spot online in advance, especially during holiday periods, as on-site lots frequently reach capacity. Many off-site lots also offer loyalty programs that allow you to earn free days for extended or frequent stays.