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

Return flights

27 Oct - 17 Nov	Avianca
14 Oct - 28 Oct	United	direct
01 Oct - 15 Oct	United	direct
02 Oct - 16 Oct	United	direct
06 Oct - 20 Oct	United	direct
07 Oct - 21 Oct	United	direct
08 Oct - 22 Oct	United	direct
09 Oct - 23 Oct	United	direct
13 Oct - 27 Oct	United	direct
05 Oct - 19 Oct	United	direct
12 Oct - 26 Oct	United	direct

Also check the deals for one-way flights from Houston 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 Houston to Buenos Aires in October from $858

Return flights