Cheapest return flights from Houston to San Juan in December from 146€

AirHint found the following cheapest return flights from Houston (IAH) to San Juan (SJU) in December 2025 (see full year).

Return flights

31 Dec - 15 Jan Spirit Airlines
31 Dec - 10 Jan Frontier Airlines
31 Dec - 08 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
31 Dec - 13 Jan Spirit Airlines
31 Dec - 09 Jan Spirit Airlines
31 Dec - 17 Jan Spirit Airlines
31 Dec - 07 Jan Spirit Airlines
31 Dec - 11 Jan Spirit Airlines
24 Dec - 31 Dec Frontier Airlines
24 Dec - 25 Dec Frontier Airlines
24 Dec - 27 Dec Frontier Airlines
24 Dec - 26 Dec Frontier Airlines
24 Dec - 28 Dec Frontier Airlines
23 Dec - 29 Dec Frontier Airlines
21 Dec - 23 Dec Spirit Airlines direct
26 Dec - 29 Dec Frontier Airlines
21 Dec - 27 Dec Spirit Airlines direct
25 Dec - 31 Dec Frontier Airlines

Also check the deals for one-way flights from Houston to San Juan in December.

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