Exhibit 8.1

Subsidiaries of Azul S.A.

The following chart lists each of our subsidiaries which we owned, directly or indirectly, as of December 31, 2017, and April 27, 2018:

Entities	Country of incorporation
Azul Linhas Aéreas Brasileiras S.A. (ALAB)	Brazil
Azul Finance LLC(a)	United States
Azul Finance 2 LLC(a)	United States
Azul Services LLC(a)(b)	United States
Blue Sabiá LLC(a)	United States
ATS Viagens e Turismo Ltda.(a)	Brazil
Azul SOL LLC(a)	United States
Fundo Garoupa(c)	Brazil
Fundo Safira(a)	Brazil
Fundo Azzurra(a)	Brazil
Canela Investments LLC(Canela)(a)(d)	United States
Canela 336 LLC(e)	United States
Canela 407 LLC(e)	United States
Canela 429 LLC(e)	United States
Canela Turbo One LLC(e)(f)	United States
Canela Turbo Two LLC(e)(g)	United States
Canela Turbo Three LLC(e)	United States
Daraland S.A.(a)	Uruguay
Encenta S.A. (Azul Uruguay)(h)	Uruguay
Tudo Azul S.A.	Brazil
Cruzeiro Participações Ltda.(a)	Brazil

(a) Azul’s investments are held indirectly through ALAB.

(b) Company extinguished on December 27, 2017.

(c) Azul’s investment is held 1% directly and 99% through ALAB.

(d) Transfer of ownership from Azul to ALAB on December 1, 2017.

(e) Azul’s investments are held indirectly through Canela.

(f) Company extinguished on December 19, 2017.

(g) Company extinguished on May 9, 2017.

(h) Investments are held indirectly through Daraland.