Cheapest return flights from Houston to Buenos Aires in December from $663

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

Return flights

01 Dec - 05 Dec Spirit Airlines
06 Dec - 13 Dec Spirit Airlines
09 Dec - 25 Dec Spirit Airlines
13 Dec - 22 Dec Spirit Airlines
31 Dec - 07 Jan Spirit Airlines
28 Dec - 05 Jan Spirit Airlines
17 Dec - 27 Dec Spirit Airlines
23 Dec - 05 Jan Spirit Airlines
19 Dec - 01 Jan Spirit Airlines
24 Dec - 02 Jan Spirit Airlines
16 Dec - 04 Jan Spirit Airlines
12 Dec - 04 Jan Spirit Airlines
18 Dec - 04 Jan Frontier Airlines
09 Dec - 25 Dec United direct
13 Dec - 22 Dec United direct
31 Dec - 07 Jan United direct
19 Dec - 01 Jan United direct

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

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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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