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

Return flights

03 Dec - 03 Dec	Avianca
16 Dec - 27 Dec	Avianca
04 Dec - 13 Dec	Avianca
03 Dec - 11 Dec	Avianca
05 Dec - 24 Dec	Avianca
15 Dec - 22 Dec	Avianca
15 Dec - 26 Dec	Avianca
05 Dec - 21 Dec	Avianca
02 Dec - 10 Dec	Avianca
15 Dec - 26 Jan	Avianca
03 Dec - 08 Dec	Copa
11 Dec - 04 Jan	Copa
16 Dec - 04 Jan	Avianca
12 Dec - 24 Jan	Avianca
06 Dec - 11 Jan	Avianca
14 Dec - 02 Jan	Avianca
13 Dec - 25 Jan	JetSmart
12 Dec - 05 Jan	Avianca
13 Dec - 24 Jan	Avianca
05 Dec - 10 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 407€

Return flights