AirHint found the following cheapest return flights from Quito (UIO) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

27 Aug - 03 Sep	JetSmart
24 Aug - 28 Aug	LATAM Airlines Group
26 Aug - 29 Aug	LATAM Airlines Group
21 Aug - 28 Aug	Copa
19 Aug - 01 Sep	LATAM Airlines Group
22 Aug - 11 Sep	Avianca
18 Aug - 31 Aug	JetSmart
22 Aug - 04 Sep	Avianca
18 Aug - 29 Aug	JetSmart
30 Aug - 03 Sep	LATAM Airlines Group
23 Aug - 29 Aug	Avianca
18 Aug - 23 Aug	JetSmart
20 Aug - 25 Aug	JetSmart
23 Aug - 27 Aug	LATAM Airlines Group
23 Aug - 30 Aug	LATAM Airlines Group
28 Aug - 05 Sep	Avianca
28 Aug - 06 Sep	Avianca
22 Aug - 06 Sep	Avianca
24 Aug - 02 Sep	Avianca
24 Aug - 03 Sep	Avianca

Also check the deals for one-way flights from Quito to Buenos Aires in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Quito to Buenos Aires in August from 465€

Return flights