KLM Royal Dutch Airlines is an airline brand offering online tools and services to help travellers plan and manage their journeys. Customers can compare and book flights, explore destinations and deals, view last-minute offers, select a preferred seat, and check in online. The website also promotes hotel bookings and other trip-planning services.

Through its Flying Blue loyalty programme, members can use Miles to book reward tickets, with promotional rewards available on selected routes and in different travel classes. The site features example rewards to destinations including Las Vegas, Houston, Calgary, Saint Martin, Beijing, and Geneva, with availability and additional charges applying.

KLM also provides customer support resources, including contact options, refund information, claims assistance, services for passengers with disabilities, and invoice requests. Travellers can find destination guides, popular routes, and travel inspiration, or sign up for personalised offers and updates. The brand offers a mobile app and provides information about its sustainability efforts, careers, partners, and corporate news. Its website also includes practical account, booking, and check-in services for customers.