The Havas agencies won the business after pitching against Adam & Eve/DDB, which pitched alongside Rapp, and M&C Saatchi which pitched alongside Lida.
Abbott Mead Vickers BBDO, Engine, Leo Burnett London, MullenLowe London, Ogilvy & Mather London and VCCP were involved earlier in the process, which was handled by Oystercatchers.
In December Campaign revealed that Heathrow had begun a review. Saatchi Masius was the incumbent on the account.
Carat has held Heathrow’s media business since 1999, having retained it in 2011.