Trinity Airways (트리니티항공, IATA: TW) is a South Korean hybrid airline headquartered in Daegu, formerly known as T'way Air — itself a rebrand of Hansung Airlines, Korea's first low-cost carrier, founded in 2005. Acquired by Daemyung Sono Group — Korea's largest hospitality company, now renamed Sono Trinity Group — the airline officially rebranded as Trinity Airways on September 10, 2026, transitioning from a low-cost model to a "selective service carrier" positioned between full-service and budget airlines. The name derives from the Latin Trinitas, meaning three come together as one — symbolising the synergy of aviation, hospitality, and lifestyle.

Operating a fleet of 43 aircraft including Boeing 737 MAX and incoming Airbus A330-900neo aircraft with custom interiors, Trinity Airways serves 51 destinations across domestic South Korea and international routes spanning Asia, Europe, and Oceania from its bases at Incheon and Gimpo airports