 On 20 November 2014 Dunkley joined Oxford United on loan until the end of the season, with Sam Long moving in the opposite direction, and joined The Us permanently in January for an undisclosed fee.He made his professional debut on 20 December 2014, coming on as a 31st-minute substitute in a 1–1 away draw against Hartlepool United.He scored his first goal in a 4–1 away victory in League Two over Exeter City on 23 February 2016.