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

Return flights

06 Apr - 22 Apr	Avianca
16 Apr - 27 Apr	Avianca
08 Apr - 22 Apr	Avianca
10 Apr - 28 Apr	Avianca
15 Apr - 22 Apr	Avianca
14 Apr - 21 Apr	Avianca
15 Apr - 21 Apr	Avianca
23 Apr - 27 Apr	Avianca
17 Apr - 22 Apr	Avianca
13 Apr - 23 Apr	Avianca
27 Apr - 16 May	Viva
30 Apr - 20 May	Viva
24 Apr - 14 May	Viva
24 Apr - 01 May	Viva
24 Apr - 12 May	Viva
24 Apr - 13 May	Viva
29 Apr - 20 May	Viva
29 Apr - 16 May	Viva
26 Apr - 16 May	Viva
11 Apr - 01 May	Viva

Also check the deals for one-way flights from Cancun 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.

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Cheapest return flights from Cancun to Buenos Aires in April from 521€

Return flights