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

Return flights

12 Dec - 14 Dec	Avianca
05 Dec - 24 Dec	LATAM Airlines Group
27 Dec - 18 Jan	LATAM Airlines Group
11 Dec - 15 Dec	LATAM Airlines Group
01 Dec - 05 Jan	Avianca
06 Dec - 28 Dec	Avianca
05 Dec - 27 Dec	Avianca
23 Dec - 09 Jan	LATAM Airlines Group
31 Dec - 31 Jan	LATAM Airlines Group
24 Dec - 02 Jan	LATAM Airlines Group
28 Dec - 19 Jan	LATAM Airlines Group
27 Dec - 10 Jan	LATAM Airlines Group
23 Dec - 22 Jan	LATAM Airlines Group
16 Dec - 31 Jan	LATAM Airlines Group
29 Dec - 15 Jan	Avianca

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

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.

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Cheapest return flights from Buenos Aires to Quito in December from $540

Return flights