Cheapest return flights from Houston to Buenos Aires in September from $784

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

Return flights

11 Sep - 14 Sep Spirit Airlines
23 Sep - 06 Oct Spirit Airlines
25 Sep - 02 Oct Spirit Airlines
02 Sep - 15 Sep Spirit Airlines
12 Sep - 21 Sep Spirit Airlines
15 Sep - 30 Sep Avianca
25 Sep - 02 Oct United direct
23 Sep - 06 Oct United direct
19 Sep - 26 Sep United direct

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

Skyscanner

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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