If you want a cheap flight from Teesside to Buenos Aires, you've got zero airlines to choose from.
Buenos Aires Arpt. Jorge Newbery Airport is just one of the airports in Buenos Aires. If you're not set on a specific airport, try changing your search from Buenos Aires Arpt. Jorge Newbery Airport to Buenos Aires to see a broader range of flights – they might be cheaper. Jorge Newbery Airport.
You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.