[citation needed] Hiller made his debut for the Ducks on 30 September 2007, defeating the Los Angeles Kings 4–1 in London, England.

[citation needed] Hiller recorded his first career NHL shutout in the 2008–09 season, defeating the Los Angeles Kings, 2–0.

Following his strong regular season play, the Ducks named Hiller their starting goaltender for the 2009 Stanley Cup playoffs over incumbent starter Giguère.

Hiller started his first career playoff game on 16 April 2009, recording a shutout over the San Jose Sharks in a 35-save performance.

[citation needed] Hiller earned a spot in the 2011 NHL All-Star Game, held in Raleigh, North Carolina, on 30 January.

On 2 February, after his first game returning from the All-Star weekend, Hiller felt lightheaded and was slow to react, allowing three goals on ten shots in the opening period of a 4–3 loss against the visiting San Jose Sharks.

Calgary opted not to re-sign Hiller or Rämö, instead acquiring Brian Elliott from the St. Louis Blues after the season to replace them.

[citation needed] On 19 April 2016, Hiller agreed to a three-year contract with EHC Biel of the Swiss National League A (NLA) worth CHF 2.1 million.