How to Choose a Seat on Klm Airlines? ?Contact Now? USA? Are you traveling with Klm Airlines and wondering how to select your preferred seat after booking your flight? Look no further! Here's a step-by-step guide to help you navigate the process seamlessly ???? ?? 1-877-552-0621 and ???? ?? 1-877-552-0621. How to Choose Your Seat After Booking a Flight: Visit the Airline's Website: Go to the official website of the airline you're flying with. Access Your Booking: Log in to your account or navigate to the "Manage Booking" or "My Trips" section 1-877-552-0621. Select Seat Option: Look for the option to select your seat. Visit the Klm Airlines Website: After booking your flight, visit the Klm Airlines official website.