Taking the bus is the cheapest way to travel from Amsterdam to Copenhagen. Buses traveling from Amsterdam to Copenhagen depart from Amsterdam's Sloterdijk bus station and take at least 12 hours to arrive at Copenhagen's Ingerslevsgade bus station. There is 1 direct bus that travels from Amsterdam to Copenhagen every day, which departs Amsterdam at 9:15 p.m. and travels overnight to arrive in Copenhagen at 9:20 a.m. the next day. There is also occasionally another bus; however, it requires a transfer in Hamburg and requires over 17 hours to arrive in Copenhagen. Flixbus is the main bus company that travels from Amsterdam to Copenhagen.

Taking a flight is the fastest way to travel from Amsterdam to Copenhagen. Flights depart from Amsterdam's Schiphol airport and arrive at Copenhagen's Kastrup airport after 1:20 h of flight time. Even when traveling to and from Amsterdam and Copenhagen's airports is taken into consideration, taking a flight is still the fastest way to travel from Amsterdam to Copenhagen requiring just under 4 hours of travel time. Airlines that travel directly from Amsterdam to Copenhagen include Transavia, Norwegian Air, SAS, and KLM. Approximately 10 direct flights travel from Amsterdam to Copenhagen per day with the first departing Amsterdam at 5:15 a.m.

Taking a flight is the most popular way to travel from Amsterdam to Copenhagen. Taking a flight is at least 7 hours faster than traveling from Amsterdam to Copenhagen by train and 8 hours faster than taking the bus even when travel time to and from Amsterdam and Copenhagen's airports is taken into consideration. The convenient public transportation options from Copenhagen and Amsterdam's airports to their respective city centers also help reduce the total travel time. Deutsche Bahn trains are also a popular option for traveling from Amsterdam to Copenhagen if you prefer to avoid the airport.