If you want a cheap flight from Birmingham 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.
During this peak season, accommodation 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.