The singer will now officially unveil his second studio record Trespassing in the UK on July 9.
New single 'Never Close Our Eyes' will precede the album's release and will now be available to download on July 8.
Lambert will make numerous television appearances in the UK over the summer, including The Graham Norton Show on June 22.
The star will join Queen for a trio of shows at London's Hammersmith Apollo on July 11, 12 and 14.
Lambert recently became the first gay male recording artist to top the US Billboard 200 album chart.
Watch the music video for Adam Lambert's new single 'Never Close Our Eyes' below: