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

Return flights

01 Dec - 04 Dec	Avianca
02 Dec - 09 Dec	Avianca
12 Dec - 31 Dec	Copa
05 Dec - 24 Dec	Copa
03 Dec - 08 Jan	Avianca
01 Dec - 08 Dec	Avianca
12 Dec - 14 Dec	Avianca
23 Dec - 28 Dec	Avianca
25 Dec - 16 Jan	LATAM Airlines Group
25 Dec - 16 Jan	Avianca	direct
29 Dec - 15 Jan	LATAM Airlines Group
29 Dec - 19 Jan	LATAM Airlines Group
25 Dec - 02 Jan	LATAM Airlines Group
23 Dec - 22 Jan	Avianca
29 Dec - 04 Jan	LATAM Airlines Group
25 Dec - 04 Jan	Avianca	direct
17 Dec - 18 Jan	Copa

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 $624

Return flights