Cheapest return flights from Quito to Buenos Aires in December from $567

AirHint found the following cheapest return flights from Quito (UIO) to Buenos Aires (AEP) in December 2026 (see full year).

Return flights

13 Dec - 23 Dec JetSmart
14 Dec - 23 Dec LATAM Airlines Group
13 Dec - 14 Jan LATAM Airlines Group
03 Dec - 21 Dec LATAM Airlines Group
04 Dec - 22 Dec LATAM Airlines Group
08 Dec - 04 Jan LATAM Airlines Group
09 Dec - 05 Jan LATAM Airlines Group
30 Dec - 23 Jan LATAM Airlines Group
14 Dec - 24 Dec Avianca

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

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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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