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

Return flights

05 Dec - 07 Dec	Avianca
09 Dec - 14 Dec	Avianca
01 Dec - 04 Dec	Avianca
11 Dec - 14 Dec	Avianca
08 Dec - 13 Dec	Avianca
06 Dec - 08 Dec	Avianca
03 Dec - 08 Jan	Avianca
12 Dec - 14 Dec	Avianca
05 Dec - 24 Dec	Avianca
15 Dec - 29 Dec	Avianca
15 Dec - 21 Jan	Avianca
12 Dec - 13 Dec	Avianca
15 Dec - 19 Jan	Avianca
08 Dec - 22 Jan	Avianca
09 Dec - 23 Jan	Avianca
09 Dec - 16 Jan	Avianca
08 Dec - 19 Jan	Avianca
29 Dec - 15 Jan	LATAM Airlines Group
08 Dec - 15 Jan	Avianca
15 Dec - 21 Jan	Avianca	direct

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 501€

Return flights