Cheapest return flights from Houston to Buenos Aires in March from $727

AirHint found the following cheapest return flights from Houston (HOU) to Buenos Aires (AEP) in March 2026 (see full year).

Return flights

13 Mar - 22 Mar Spirit Airlines
12 Mar - 22 Mar Spirit Airlines
06 Mar - 15 Mar Avianca
07 Mar - 11 Mar Avianca
16 Mar - 19 Mar Avianca
10 Mar - 19 Mar Avianca
25 Mar - 03 Apr Avianca
12 Mar - 21 Apr Avianca
10 Mar - 14 Mar Avianca

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

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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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