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

Return flights

26 Aug - 01 Sep	Spirit Airlines
22 Aug - 03 Sep	Spirit Airlines
16 Aug - 23 Aug	Spirit Airlines
09 Aug - 20 Aug	Avianca
05 Aug - 16 Aug	Spirit Airlines
02 Aug - 01 Sep	Volaris
21 Aug - 04 Sep	United	direct
25 Aug - 08 Sep	United	direct
20 Aug - 03 Sep	United	direct
26 Aug - 09 Sep	United	direct
27 Aug - 10 Sep	United	direct
28 Aug - 11 Sep	United	direct
22 Aug - 03 Sep	United	direct
14 Aug - 28 Aug	United	direct
11 Aug - 25 Aug	United	direct
12 Aug - 26 Aug	United	direct
13 Aug - 27 Aug	United	direct
15 Aug - 29 Aug	United
16 Aug - 30 Aug	United
09 Aug - 20 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 723€

Return flights