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

Return flights

05 Sep - 29 Sep	Air Europa
01 Sep - 30 Sep	Air Europa
13 Sep - 27 Sep	Air Europa
08 Sep - 25 Sep	Air Europa
25 Sep - 18 Oct	Ryanair
11 Sep - 24 Sep	Ryanair
12 Sep - 18 Sep	Air France
14 Sep - 27 Sep	Vueling Airlines
12 Sep - 27 Sep	Royal Air Maroc
12 Sep - 26 Sep	Air Europa
08 Sep - 18 Sep	Air Europa
26 Sep - 06 Oct	TAP
27 Sep - 06 Oct	Ryanair
27 Sep - 07 Oct	TAP
27 Sep - 08 Oct	Iberia
19 Sep - 11 Oct	SWISS

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 960€

Return flights