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

Return flights

23 Aug - 31 Aug	Spirit Airlines
07 Aug - 20 Aug	Avianca
12 Aug - 26 Aug	United	direct
13 Aug - 27 Aug	United	direct
14 Aug - 28 Aug	United	direct
19 Aug - 02 Sep	United	direct
21 Aug - 04 Sep	United	direct
25 Aug - 08 Sep	United	direct
27 Aug - 10 Sep	United	direct
18 Aug - 01 Sep	United	direct
20 Aug - 03 Sep	United	direct
11 Aug - 25 Aug	United	direct
26 Aug - 09 Sep	United	direct
28 Aug - 11 Sep	United	direct
24 Aug - 07 Sep	United	direct
31 Aug - 14 Sep	United	direct
07 Aug - 20 Aug	United	direct
23 Aug - 31 Aug	United	direct
17 Aug - 31 Aug	United	direct
10 Aug - 24 Aug	United	direct

Also check the deals for one-way flights from Houston to Buenos Aires in August.

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 August from $811

Return flights