Cheapest return flights from Houston to San Juan in January from $116

AirHint found the following cheapest return flights from Houston (IAH) to San Juan (SJU) in January 2026 (see full year).

Return flights

27 Jan - 31 Jan Frontier Airlines
08 Jan - 12 Jan Frontier Airlines
10 Jan - 13 Jan Frontier Airlines
22 Jan - 28 Jan Frontier Airlines
19 Jan - 22 Jan Frontier Airlines
06 Jan - 10 Jan Frontier Airlines
24 Jan - 27 Jan Frontier Airlines
06 Jan - 08 Jan Frontier Airlines
13 Jan - 28 Jan Frontier Airlines
07 Jan - 12 Jan Frontier Airlines
29 Jan - 03 Feb Frontier Airlines
29 Jan - 02 Feb Frontier Airlines
23 Jan - 08 Feb Spirit Airlines
23 Jan - 09 Feb Spirit Airlines
23 Jan - 12 Feb Spirit Airlines
23 Jan - 03 Feb Spirit Airlines
21 Jan - 08 Feb Spirit Airlines
21 Jan - 09 Feb Spirit Airlines
21 Jan - 03 Feb Spirit Airlines
16 Jan - 05 Feb Spirit Airlines

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

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