Best ways to get cheap plane tickets

The once-simple task of purchasing a plane ticket has become a science in its own right. Airlines use computer algorithms to set their prices, which are constantly changing, to maximize profits. So, how do you make sure you're getting the best deal on the right flight?Jeff Semple explores the mystifying world of online plane tickets sales.

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Sky News 19 Jul 2019 13:00 CEST

Special report: One Giant Leap