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

Return flights

26 Aug - 02 Sep	Spirit Airlines
23 Aug - 30 Aug	Spirit Airlines
28 Aug - 01 Sep	Avianca
26 Aug - 09 Sep	United
24 Aug - 07 Sep	United
21 Aug - 04 Sep	United	direct
27 Aug - 10 Sep	United	direct
25 Aug - 08 Sep	United	direct
23 Aug - 06 Sep	United
22 Aug - 05 Sep	United	direct
29 Aug - 12 Sep	United
14 Aug - 28 Aug	United	direct
11 Aug - 25 Aug	United	direct
12 Aug - 26 Aug	United	direct
13 Aug - 27 Aug	United	direct
16 Aug - 30 Aug	United
15 Aug - 29 Aug	United	direct
09 Aug - 23 Aug	United	direct
10 Aug - 24 Aug	United	direct
05 Aug - 19 Aug	United

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 $718

Return flights