AirHint found the following cheapest return flights from Los Angeles (LAX) to Buenos Aires (EZE) in October 2025 (see full year).

Return flights

19 Oct - 31 Oct	Avianca
09 Oct - 24 Oct	Avianca
08 Oct - 31 Oct	Copa
21 Oct - 27 Oct	Copa
31 Oct - 03 Nov	Copa
30 Oct - 10 Nov	Copa
23 Oct - 26 Oct	Avianca
17 Oct - 07 Nov	Avianca
26 Oct - 03 Nov	United
17 Oct - 26 Oct	Copa
02 Oct - 23 Oct	LATAM Airlines Group
18 Oct - 08 Nov	Copa
18 Oct - 06 Nov	Copa
01 Oct - 31 Oct	Copa
01 Oct - 17 Oct	Copa
03 Oct - 15 Oct	Copa

Also check the deals for one-way flights from Los Angeles to Buenos Aires in October.

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 Los Angeles to Buenos Aires in October from 634€

Return flights