Indigo Partners, LLC[1] is an American private equity firm which has a controlling interest in the American Frontier Airlines and Chilean low-cost JetSmart, as well as holding stakes in Mexican budget airline Volaris and European (Hungarian) low-cost carrier Wizz Air.

[2] Indigo Partners was founded by Bill Franke and has set up a number of ultra-low-cost airlines around the world.

[4] Deliveries will begin in 2021, mostly in 2025-26 from Toulouse, France and Mobile, Alabama, U.S. Wizz Air previously ordered 110 A321neos at the 2015 Paris Airshow and its fleet will grow to 300 aircraft by 2025.

[5] On November 29, 2018, Indigo Partners reached a preliminary agreement to buy Icelandic low-cost carrier WOW Air after Icelandair Group dropped its takeover.

[8] In 2022, Indigo Partners attempted to merge its majority-owned Frontier subsidiary with fellow US-based low cost carrier Spirit Airlines.