"Butterfly Fly Away" is a country duet performed by American actors and recording artists Miley Cyrus and Billy Ray Cyrus. The song was first heard in the 2009 film Hannah Montana: The Movie, in which both Cyruses star, and was subsequently released on the film's soundtrack. An extended version is featured on Billy Ray's eleventh studio album, Back to Tennessee. The song is a soft country ballad with lyrics that describe a child's transition to adulthood.
The song received generally favorable reviews and, though not released as a single, achieved notable commercial outcomes in Australia, Canada, Ireland, the United Kingdom, and the United States. It reached its highest international peak in the Irish Singles Chart, at number forty-six. The Cyruses performed the song live at several venues; a performance in an English Apple Store was recorded and eventually released on an extended play.
Reviewers were generally taciturn but positive while discussing the song. Warren Truit of About.com found it "sentimental" while Scott Mervis of the Pittsburgh Post-Gazette called it "a sweet duet".Allmusic reviewer Heather Phares said the song was "a treacly duet".Stephen Thomas Erlewine, also of Allmusic, was more negative, calling it a "syrupy, icky" song on which Billy Ray never sounds quite right. Leah Greenblatt of Entertainment Weekly wrote, "[Miley's] delicate duet with dad Billy Ray, 'Butterfly Fly Away,' is quietly lovely."Billboard reviewer Ken Tucker stated that it "is an airy and flowing song about family on which father and daughter's voices blend nicely". Michael Rechtshaffen of The Hollywood Reporter called "Butterfly Fly Away" a "tender Glen Ballard/Alan Silvestri ballad". The song was included on the short list for Best Original Song at the 82nd Academy Awards, but did not achieve a nomination.
"Butterfly Fly Away" debuted at number seventy-two on the Billboard Hot 100 the week ending April 25, 2009. The following week, May 2, 2009, the song reached its peak on the Hot 100 at number fifty-six. The song spent a total of three consecutive weeks on the chart. On the week ending April 25, 2009, "Butterfly Fly Away" debuted at number seventy-six in the Canadian Hot 100. The following week the song reached its peak at number-fifty on the chart. The song charted for a longer amount of time in Canada than its home country, with four weeks on the chart.
The song encountered similar commercial outcomes in various nations. In the United Kingdom, the song debuted and peaked at number seventy-eight for the week ending May 16, 2009. "Butterfly Fly Away" reached its highest international peak in the Irish Singles Chart. It debuted at number forty-seven on the week ending May 7, 2009. The song ultimately peaked at number forty-six on the chart. It also peaked at number fifty-six in the Australian Singles Chart.