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

Return flights

03 Sep - 15 Oct	SWISS
20 Sep - 04 Oct	TAP
14 Sep - 15 Oct	TAP
18 Sep - 14 Oct	Ryanair
25 Sep - 18 Oct	Ryanair
12 Sep - 02 Oct	TAP
21 Sep - 20 Oct	TAP
18 Sep - 30 Sep	Ryanair
01 Sep - 30 Sep	TAP
01 Sep - 28 Sep	TAP
05 Sep - 29 Sep	TAP
24 Sep - 20 Oct	Ryanair
24 Sep - 13 Oct	Ryanair
08 Sep - 13 Sep	TAP
01 Sep - 21 Sep	TAP
05 Sep - 18 Sep	TAP
01 Sep - 07 Sep	TAP
05 Sep - 19 Sep	TAP
02 Sep - 27 Sep	SWISS
21 Sep - 31 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Valencia to Buenos Aires in September from $952

Return flights