There are zero airlines offering flights to Berlin. The most direct route isn’t necessarily the cheapest – being flexible is key to finding the lowest airfare rates. For example, try searching by month to see the best time of the week to fly.
Berlin-tegel / Otto Lilienthal Airport is just one of the airports in Berlin. If you're not set on a specific airport, try changing your search from Berlin-tegel / Otto Lilienthal Airport to Berlin to see a broader range of flights – they might be cheaper.
Keep your eye out for flights
If you're planning on going to Berlin during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.