Question : In the next four weeks, what day should you book your trip?
Answer : Mar 22nd has seen bookings (as of Feb 20th) as cheap as $82. That comes in 6% below the average price for this route. Saving on flight fares means you'll have more money to spend on your trip.
Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to fluctuate less than other flights in Germany. They can vary from $49 to $97. Remember, you can save by booking further in advance.
Question : Who's offering the cheapest round-trip flight to Cologne Bonn Airport (CGN) over the coming months?
Answer : Germanwings is your best bet for finding that coveted low fare. They're offering fares as low as $49, while prices for other flights are as high as $97.
Question : How long do most people stay in Cologne?
Answer : Of course you're not most people, but if you were, you'd stay roughly four days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Wednesday. Being flexible with your travel days garners even more savings during booking.