Lewis first performed the song live on the television programme "Dancing on Ice" on 9 March 2008. Lewis also performed both sides of the single on BBC One's Sport Relief on 14 March 2008, "Good Morning America" on 4 April 2008, and on the "Jimmy Kimmel Live!" show along with "Bleeding Love". On 3 September 2008 Lewis performed the song on "Live with Regis and Kelly", and on 1 October 2008 on the season finale of "America's Got Talent". The song was featured in the "90210" episode "Lucky Strike", originally aired on 9 September 2008. On 24 November 2008, Lewis performed the song at the 2008 American Music Awards. In May 2010, the song was added to the setlist of her The Labyrinth tour, performed as the fourth song of the show. "Better in Time" was included on the tour's live album and Blu-ray "The Labyrinth Tour Live from The O2", released on 29 November 2010. In 2011, Lewis performed a reggae version of the song at BBC Radio 1 segment Live Lounge, where she mashed up the single with "Man Down", a song by Rihanna. It is also one of thirty-eight songs included on the benefit album "Songs for Japan", a compilation album released in response to the aftermath of the 2011 earthquake and tsunami in Tōhoku, Japan), released on 25 March 2011. "Better in Time" was used in the American television series "Pretty Little Liars", for the second season finale "unmAsked", in the masquerade ball scene. In 2013, Lewis performed the song along with "Man Down" during her Glassheart Tour.