We've scanned every flight from Cardiff to Berlin to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. If that day's no good for you, try searching by month to see some alternative dates.
Berlin Brandenburg Airport is just one of the airports in Berlin. If you're not set on a specific airport, try changing your search from Berlin Brandenburg Airport to Berlin to see a broader range of flights – they might be cheaper.
During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.