Cheapest return flights from Houston to Buenos Aires in March from $675

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

Return flights

24 Mar - 31 Mar Spirit Airlines
26 Mar - 08 Apr Frontier Airlines
29 Mar - 18 Apr Frontier Airlines
19 Mar - 26 Mar Spirit Airlines
27 Mar - 04 Apr Spirit Airlines
05 Mar - 09 Mar Frontier Airlines
05 Mar - 12 Mar Frontier Airlines
01 Mar - 07 Mar Spirit Airlines
01 Mar - 13 Mar Spirit Airlines
03 Mar - 19 Mar Spirit Airlines
07 Mar - 15 Mar Avianca
05 Mar - 11 Mar Avianca
01 Mar - 08 Mar Avianca
23 Mar - 01 Apr 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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