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

Return flights

27 Aug - 05 Sep	Viva
27 Aug - 01 Sep	Viva
25 Aug - 05 Sep	Viva
11 Aug - 26 Aug	Viva
25 Aug - 01 Sep	Viva
07 Aug - 26 Aug	Viva
11 Aug - 01 Sep	Viva
11 Aug - 20 Aug	Viva
07 Aug - 20 Aug	Viva
07 Aug - 08 Aug	Viva
01 Aug - 08 Aug	Viva
01 Aug - 20 Aug	Viva
25 Aug - 26 Aug	Viva
02 Aug - 08 Aug	Viva
02 Aug - 20 Aug	Viva

Also check the deals for one-way flights from Oaxaca to Houston 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 Oaxaca to Houston in August from $233

Return flights