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

Return flights

18 Jan - 08 Feb	JetSmart
18 Jan - 06 Feb	JetSmart
18 Jan - 23 Jan	JetSmart
30 Jan - 20 Feb	JetSmart
18 Jan - 28 Jan	JetSmart
02 Jan - 23 Jan	JetSmart
18 Jan - 04 Feb	JetSmart
30 Jan - 08 Feb	JetSmart
28 Jan - 08 Feb	JetSmart
30 Jan - 06 Feb	JetSmart
18 Jan - 30 Jan	JetSmart
16 Jan - 06 Feb	JetSmart
02 Jan - 11 Jan	JetSmart
16 Jan - 23 Jan	JetSmart
07 Jan - 23 Jan	JetSmart
28 Jan - 06 Feb	JetSmart
30 Jan - 04 Feb	JetSmart
16 Jan - 28 Jan	JetSmart
07 Jan - 28 Jan	JetSmart
09 Jan - 13 Jan	JetSmart

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

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 Quito to Buenos Aires in January from 436€

Return flights