In general, when looking for the cheapest flight to Copenhagen, try to choose a flight departing in November for the best deal.
Most flyers found that booking flight tickets 55 days in advance of their planned departure date is, on average, the best time to get cheap flights to Copenhagen.
From most locations, the cheapest day to fly to Copenhagen is Tuesday. Most users found that departing on a Thursday was most expensive.
Generally, when visiting Copenhagen, evening flights represent the best value. midday flights are likely to have higher prices.