Passengers traveling between the Schengen countries can in principle travel without being requested to show their passport, whereas control is intensified for passengers from non-participating countries. When traveling in and out of Schengen, all passengers must go through the passport control.
Trips to the United States
Passengers flying to the United States must fill out an ESTA application online 72 hours prior to their departure.
On flights from Copenhagen Airport to the US, there is an additional security check at the gate. Ensure all mobile/electronic devices have enough battery power to be turned on at security if requested.
Trips to Canada
Passengers flying to Canada must fill out an eTA application online 72 hours prior to their departure.