first T20I against Pakistan in Dubai in November 2015. He made his maiden international half-century in the match, reaching his fifty in 24 balls, before being run out for 53 off the last ball of the England innings. He took two catches and completed a stumping during the Pakistan innings as England won by 14 runs. He was adjudged man of the match for his performance during the match. He played for the Lions against Pakistan A in Dubai in January 2016, against South Africa in 2016 and was selected for the England squad for the 2016 World Twenty20 competition. He did not make an appearance for England during the competition, other than as a substitute fielder. He was named in a 30-man England Performance Squad for the 2016 domestic season and played for the full England T20 side against Sri Lanka in July 2016 and for the Lions side against Pakistan A and Sri Lanka A, scoring his highest List A cricket score of 175 against Pakistan at Canterbury, before touring Bangladesh with the England One Day International team in October, scoring his maiden ODI half-century with a score of 62 in the final match of the series batting as a replacement opening batsman, to help England to a 2–1 series win. In early 2017 Billings was part of the England ODI and T20 squad which toured India. He played in the opening List A match of the tour against India A again as a specialist batsman, scoring 93 runs, and in an ODI and T20 match on the tour before playing back to back ODI matches for the first time since his debut series against the West Indies. He was an unused member of the England squad for the 2017 Champions Trophy but played against Ireland, South Africa and West Indies during the summer of 2017. In early 2018 he joined the England squad in Australia for the ODI element of their tour, although he did not appear in any of the matches, before playing in the 2017–18 Trans-Tasman Tri-Series T20 matches against Australia and New Zealand in February. He was, again, an unused member of the England squad for the ODI series against New Zealand which followed. In October 2019, Billings was named as the vice-captain and first-choice wicket-keeper in England's T20I squad for their tour of New Zealand. He played in all five T20I matches on