AirHint found the following cheapest return flights from Valencia (VLC) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

11 Sep - 16 Oct	Ryanair
01 Sep - 28 Sep	Air Europa
17 Sep - 29 Sep	Air Europa
08 Sep - 19 Sep	LATAM Airlines Group
27 Sep - 12 Oct	Ryanair
12 Sep - 18 Sep	Air France
23 Sep - 05 Oct	Air Europa
01 Sep - 25 Sep	Air Europa
12 Sep - 02 Oct	TAP
02 Sep - 25 Sep	Air Europa
08 Sep - 25 Sep	Air Europa
11 Sep - 21 Sep	Lufthansa
17 Sep - 09 Oct	Air Europa
15 Sep - 22 Sep	Air Europa
08 Sep - 12 Sep	Air Europa

Also check the deals for one-way flights from Valencia to Buenos Aires in September.

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 Valencia to Buenos Aires in September from 901€

Return flights