On 5 August 2007, the single debuted at number 16 on the UK Singles Chart, rising to its peak of number seven the following week.[5] Spending 43 weeks in the top 100 during its initial chart run, it has resurfaced on the UK Singles Chart on several occasions, with its latest appearance on 16 February 2014, bringing the song's chart tally up to 48 weeks.[5] In 2007, it was ranked the 67th-highest-selling single in the UK,[6] and it has since been certified platinum by the British Phonographic Industry, denoting sales and streaming figures of over 600,000.[7] It was not as successful in Ireland, where it reached number 46 and spent three weeks on the Irish Singles Chart.[8] It also briefly charted in the Flanders region of Belgium in 2007, attaining a peak of number seven on the Ultratip Bubbling Under listing.[9]
In mid-2008, "Dream Catch Me" began to garner success in several other regions. On 23 March 2008, it debuted on Australia's ARIA Singles Chart at number 47. After rising up the chart for several weeks, it entered the top 10 on 20 April and peaked at number five two weeks later. It spent a further eight weeks in the top 10 and remained on the Australian chart for 32 weeks in total.[10] It finish at number 17 on the ARIA year-end ranking for 2008,[11] and it was Australia's 97th-most successful song of the 2000s decade.[12] To date, it is certified double platinum by the Australian Recording Industry Association for shipping over 140,000 units.[13] In New Zealand, the single spent a single week on the RIANZ Singles Chart, at number 38 on 15 September 2008.[14] It appeared on the German Singles Chart in April, debuting at its peak of number 39 and staying there for another week before descending the chart.[15] In the United States, it gained airplay on adult-pop radio, rising to number 24 on the Billboard Adult Top 40 chart in July 2008.[16]
