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

Return flights

24 Mar - 27 Apr	Avianca
20 Mar - 24 Mar	Avianca	direct
22 Mar - 25 Mar	Avianca
18 Mar - 25 Mar	Avianca
18 Mar - 28 Mar	Avianca
20 Mar - 25 Mar	Avianca
25 Mar - 28 Mar	Avianca
29 Mar - 07 Apr	Avianca	direct
29 Mar - 04 Apr	Avianca	direct
23 Mar - 29 Mar	Avianca
19 Mar - 24 Mar	Avianca
24 Mar - 26 Apr	Avianca
09 Mar - 23 Mar	Avianca	direct
15 Mar - 18 Mar	Avianca
04 Mar - 04 Apr	LATAM Airlines Group

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

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 March from 504€

Return flights