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Copa Airlines DUS Terminal uses the same procedure for choosing seats at Düsseldorf Airport (DUS) as it does at other locations. During the booking process, through Copa's Manage My Booking website, or during online check-in up to 24 hours before the flight, passengers can select their seats. For an extra charge, Copa Airlines offers Big Front Seats with more legroom in addition to ordinary seats. If they don't choose in advance, passengers can still choose to have their seats assigned at random when they check in.