In general, when booking your flight to Cologne, February is the cheapest month on average.
On average, from most locations, when planning your trip to Cologne, try to book your flight in the region of 56 days in advance for the cheapest prices.
On average, the cheapest flights to Cologne are found when departing on a Monday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
Our data shows that the cheapest Cologne flights are usually those with noon departure times. morning flights are often costlier.