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

Return flights

05 Sep - 14 Oct	Air Europa
03 Sep - 14 Oct	Air Europa
25 Sep - 18 Oct	Air Europa
09 Sep - 28 Sep	Air Europa
04 Sep - 15 Oct	Air Europa
04 Sep - 16 Oct	Air Europa
17 Sep - 15 Oct	Ryanair
16 Sep - 14 Oct	Air Europa
07 Sep - 14 Oct	Transavia France
17 Sep - 21 Sep	Ryanair
08 Sep - 25 Sep	Air Europa
12 Sep - 15 Sep	TAP
05 Sep - 29 Sep	Air Europa
21 Sep - 28 Sep	Air Europa
20 Sep - 11 Oct	Ryanair
13 Sep - 27 Sep	TAP
07 Sep - 19 Sep	Air Europa
18 Sep - 04 Oct	Air Europa
03 Sep - 14 Sep	Air Europa
04 Sep - 23 Sep	TAP

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 838€

Return flights