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

Return flights

05 Dec - 10 Dec	JetSmart
05 Dec - 07 Dec	JetSmart
05 Dec - 17 Dec	JetSmart
07 Dec - 10 Dec	JetSmart
05 Dec - 24 Dec	JetSmart
07 Dec - 17 Dec	JetSmart
07 Dec - 24 Dec	JetSmart
12 Dec - 17 Dec	JetSmart
12 Dec - 24 Dec	JetSmart
14 Dec - 17 Dec	JetSmart
14 Dec - 02 Jan	JetSmart
17 Dec - 02 Jan	JetSmart
24 Dec - 02 Jan	JetSmart
05 Dec - 05 Jan	LATAM Airlines Group
24 Dec - 28 Jan	JetSmart
20 Dec - 11 Jan	LATAM Airlines Group
26 Dec - 02 Jan	JetSmart
21 Dec - 02 Jan	JetSmart
26 Dec - 15 Jan	JetSmart

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 $418

Return flights