Hi Air Co., Ltd (Korean: 하이에어), operating as Hi Air, was a regional airline in South Korea that was founded in 2017 and began operations in December 2019.

The airline's first route started was between Ulsan and Seoul.

[1] In June 2020 it purchased two ATR 72-500 aircraft from ATR in order to expand its network with five new routes, despite the global slump in air travel caused by the COVID-19 pandemic.

[2] The airline suspended all flights on 31 August 2023.

As of March 2023[update], the Hi Air fleet consisted of the following aircraft:[5]