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

Return flights

01 Oct - 08 Oct	JetSmart
17 Oct - 24 Oct	Avianca
24 Oct - 03 Nov	Avianca
28 Oct - 04 Nov	Avianca
17 Oct - 21 Oct	Avianca
15 Oct - 22 Oct	Avianca
01 Oct - 16 Oct	Avianca
18 Oct - 24 Oct	Avianca	direct
31 Oct - 11 Nov	JetSmart
06 Oct - 23 Oct	Avianca
07 Oct - 24 Oct	Avianca
02 Oct - 17 Oct	Avianca
06 Oct - 12 Oct	Avianca
30 Oct - 07 Nov	LATAM Airlines Group
30 Oct - 04 Nov	LATAM Airlines Group
30 Oct - 02 Nov	LATAM Airlines Group
31 Oct - 11 Nov	Avianca	direct
31 Oct - 12 Nov	Avianca
31 Oct - 04 Nov	Avianca	direct
31 Oct - 06 Nov	Avianca	direct

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

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 October from 442€

Return flights