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

Return flights

19 Apr - 29 Apr	JetSmart
08 Apr - 29 Apr	JetSmart
08 Apr - 19 Apr	JetSmart
12 Apr - 29 Apr	JetSmart
12 Apr - 19 Apr	JetSmart
08 Apr - 15 Apr	JetSmart
12 Apr - 15 Apr	JetSmart
19 Apr - 03 May	JetSmart
12 Apr - 03 May	JetSmart
29 Apr - 03 May	JetSmart
29 Apr - 17 May	JetSmart
01 Apr - 19 Apr	JetSmart
19 Apr - 06 May	JetSmart
29 Apr - 06 May	JetSmart
01 Apr - 15 Apr	JetSmart
01 Apr - 08 Apr	JetSmart
19 Apr - 01 May	JetSmart
12 Apr - 01 May	JetSmart
29 Apr - 01 May	JetSmart
19 Apr - 10 May	JetSmart

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Quito to Buenos Aires in April from $443

Return flights