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

Return flights

26 Sep - 17 Oct	Avianca
28 Sep - 19 Oct	LATAM Airlines Group
27 Sep - 17 Oct	Avianca
28 Sep - 18 Oct	LATAM Airlines Group
07 Sep - 21 Sep	LATAM Airlines Group
21 Sep - 30 Sep	LATAM Airlines Group
19 Sep - 10 Oct	LATAM Airlines Group
20 Sep - 10 Oct	Avianca
28 Sep - 19 Oct	Avianca	direct
28 Sep - 18 Oct	Avianca	direct
19 Sep - 09 Oct	Avianca
07 Sep - 21 Sep	Avianca	direct
04 Sep - 18 Sep	Avianca
21 Sep - 12 Oct	Avianca
19 Sep - 28 Sep	Avianca

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

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 Quito

Cheap car rent in Quito

Cheapest return flights from Buenos Aires to Quito in September from 491€

Return flights